A shock absorber or damper is a mechanical or hydraulic device designed to absorb and damp shock impulses. It does this by converting the kinetic energy of the shock into another form of energy (typically heat ) which is then dissipated. Most shock absorbers are a form of dashpot (a damper which resists motion via viscous friction).
96-665: The Palm Springs Aerial Tramway in Palm Springs, California , is the largest rotating aerial tramway in the world. It was opened in September 1963 as a way of getting from the floor of the Coachella Valley to near the top of San Jacinto Peak and was constructed in rugged Chino Canyon . Before its construction, the only way to the top of the mountain was to hike hours from Idyllwild . The rotating cars were added in 2000. The twelve-and-a-half minute ride begins at
192-422: A "two-tube" shock absorber, this device consists of two nested cylindrical tubes, an inner tube that is called the "working tube" or the "pressure tube", and an outer tube called the "reserve tube". At the bottom of the device on the inside is a compression valve or base valve. When the piston is forced up or down by bumps in the road, hydraulic fluid moves between different chambers via small holes or "orifices" in
288-503: A Neutra masterpiece, many families could adopt aspects of Palm Springs modern." Hollywood values permeated the resort as it combined celebrity, health, new wealth, and sex. As Culver (2010) explains: "The bohemian sexual and marital mores already apparent in Hollywood intersected with the resort atmosphere of Palm Springs, and this new, more open sexuality would gradually appear elsewhere in national tourist culture." During this period,
384-456: A PSD shock absorber, which still consists of two nested tubes and still contains nitrogen gas, a set of grooves has been added to the pressure tube. These grooves allow the piston to move relatively freely in the middle range of travel (i.e., the most common street or highway use, called by engineers the "comfort zone") and to move with significantly less freedom in response to shifts to more irregular surfaces when upward and downward movement of
480-551: A complete disappearance of the "comfort vs. control" tradeoff, it also reduced pitch during vehicle braking and roll during turns. However, ASD shocks are usually only available as aftermarket changes to a vehicle and are only available from a limited number of manufacturers. Coilover shock absorbers are usually a kind of twin-tube gas charged shock absorber inside the helical road spring. They are common on motorcycles and scooter rear suspensions, and widely used on front and rear suspensions in cars. The principal design alternative to
576-502: A compression valve, whose role has been taken up by the dividing piston, and although it contains nitrogen gas, the gas in a mono-tube shock is under high pressure (260-360 p.s.i. or so) which can actually help it to support some of the vehicle's weight, something which no other shock absorber is designed to do. Mercedes became the first auto manufacturer to install mono-tube shocks as standard equipment on some of their cars starting in 1958. They were manufactured by Bilstein , patented
672-538: A conflict of interest while Bogert acted as conservator for tribal land which was being demolished by the city, and racist comments regarding the "poor Blacks" who lived in Section 14, as justification for removing a statue of Bogert on horseback placed in 1990 in front of the Palm Springs City Hall. The City Council of Palm Springs ordered its removal in 2021 and formally apologized for the eviction of
768-444: A correspondingly effective shock. The next phase in shock absorber evolution was the development of a shock absorber that could sense and respond to not just situational changes from "bumpy" to "smooth" but to individual bumps in the road in a near instantaneous reaction. This was achieved through a change in the design of the compression valve, and has been termed "acceleration sensitive damping" or "ASD". Not only does this result in
864-477: A great future for racing due to its light weight and easy fitment. One of the earliest hydraulic dampers to go into production was the Telesco Shock Absorber, exhibited at the 1912 Olympia Motor Show and marketed by Polyrhoe Carburettors Ltd. This contained a spring inside the telescopic unit like the pure spring type 'shock absorbers' mentioned above, but also oil and an internal valve so that
960-412: A hotel across the street from his residence. Murray did so in 1886 (he later became a famous horticulturalist). The crops and irrigation systems suffered flooding in 1893 from record rainfall, and then an 11-year drought (1894–1905) caused further damage. The city became a fashionable resort in the 1900s when health tourists arrived with conditions that required dry heat. Because of the heat, however,
1056-638: A hotel and sanitarium in 1909. It was expanded as a modern hotel in 1927 and continued on until 1967. Coffman herself was a "driving force" in the city's tourism industry until her death in 1950. James's Wonders of the Colorado Desert (above) was followed in 1920 by J. Smeaton Chase 's Our Araby: Palm Springs and the Garden of the Sun , which also promoted the area. In 1924 Pearl McCallum (daughter of Judge McCallum) returned to Palm Springs and built
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#17327840177801152-545: A mid-century modern theme. The city holds a Modernism Week celebration every February, along with several related smaller events during the year. Palm Springs is located in the Sonoran Desert . According to the United States Census Bureau , the city has a total area of 95.0 square miles (246 km ), of which 94.1 square miles (244 km ) is land and 0.9 square miles (2.3 km ) (1%)
1248-732: A month." In 2021 the California Attorney General's office later called the displacement a "city-engineered holocaust", depriving dozens of Black and Latino people of generational wealth. After existing non-Indian residents were evicted in the 1960s, the tribe built the Spa Hotel and Casino downtown and the city built the Palm Springs Convention Center ; also, the tribe leased land for developers to build hotels and condos. The Palm Springs Human Relations Commission cited this history, as well as
1344-592: A new larger store in the mall. Joseph Magnin Co. opened a 26,000-square-foot (2,400 m ) department store in the mall in 1969, meaning that together with a Sears at 611 Palm Canyon Dr., for two decades, downtown boasted seven department stores, plus the Palm Springs Mall 1.5 miles (2.5 km) to the east operating from 1959 to 2005. When the United States entered World War II , Palm Springs and
1440-895: A variety of native Low Desert flora and fauna. A notable tree occurring in the wild and under cultivation is the California Fan Palm, Washingtonia filifera . The fauna of Palm Springs is mostly species adapted to desert, temperature extremes and to lack of moisture. It is located within the Nearctic faunistic realm in a region containing an assemblage of species similar to Northern Africa. Native fauna includes pronghorns , desert bighorn sheep , desert tortoise , kit fox , desert iguanas , horned lizards , chuckwalla , bobcats , mountain lions and Gila monsters . Other animals include ground squirrels , rock squirrels , porcupines , skunks , cactus mice , kangaroo rats , pocket gophers and raccoons . Desert birds here include
1536-563: Is 124 °F or 51.1 °C on July 5, 2024. The climate of Palm Springs is suitable for some palm trees, although tropical types that need more water and humidity do not grow as well. On October 1, 2024 the temperature in Palm Springs reached 117 °F (47.2 °C), tying the record for the highest temperature in the United States in October, after the same temperature was reached in nearby Mecca on October 5, 1917. The locale features
1632-498: Is 19 °F or −7.2 °C, on January 22, 1937. Summers are extremely hot, with daytime temperatures consistently surpassing 110 °F or 43.3 °C while overnight temperatures often remain above 80 °F or 26.7 °C. The mean annual temperature is 75.6 °F (24.2 °C). There are on average 176.6 afternoons with a high reaching 90 °F or 32.2 °C, and 100 °F or 37.8 °C can be seen on 114.8 afternoons. The highest temperature on record in Palm Springs
1728-404: Is a dramatic reduction in "foaming" or "aeration", the undesirable outcome of a twin-tube overheating and failing which presents as foaming hydraulic fluid dripping out of the assembly. Twin-tube gas charged shock absorbers represent the vast majority of original modern vehicle suspension installations. Often abbreviated simply as "PSD", this design is another evolution of the twin-tube shock. In
1824-419: Is a hydraulic shock absorber, which usually includes a piston, a cylinder, and an oil-filled chamber. The piston is connected to the piston rod, which extends into the cylinder and divides the cylinder into two parts. One chamber is filled with hydraulic oil, while the other chamber contains compressed oil or air. When there is an accident or vibration in the vehicle, the piston moves into the cylinder, forcing
1920-514: Is compatible with electronic control. Primary among benefits cited in Multimatic ’s 2010 patent filing is the elimination of performance ambiguity associated with flexible shims, resulting in mathematically predictable, repeatable, and robust pressure-flow characteristics. An extra tube or container of oil connected to the oil compartment of the (main) shock via a flexible pipe (remote reservoir) or inflexible pipe (piggy-back shock). Increases
2016-400: Is constantly evolving due to the continuous improvement of vehicle dynamics and passenger comfort. In common with carriages and railway locomotives, most early motor vehicles used leaf springs . One of the features of these springs was that the friction between the leaves offered a degree of damping, and in a 1912 review of vehicle suspension, the lack of this characteristic in helical springs
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#17327840177802112-485: Is plainly visible to the southeast. As it was in 1963, the only way up the mountain to deliver supplies and water is via the aerial tram cars themselves. Supplies are loaded into the passenger area before the attraction's opening while fresh water is pumped into storage tanks in the car's underbelly. The original aerial tram cars are now on static display near the entrance to the Valley Station. The aerial tram
2208-913: Is to damp spring oscillations. Shock absorbers use valving of oil and gasses to absorb excess energy from the springs. Spring rates are chosen by the manufacturer based on the weight of the vehicle, loaded and unloaded. Some people use shocks to modify spring rates but this is not the correct use. Along with hysteresis in the tire itself, they damp the energy stored in the motion of the unsprung weight up and down. Effective wheel bounce damping may require tuning shocks to an optimal resistance. Spring -based shock absorbers commonly use coil springs or leaf springs , though torsion bars are used in torsional shocks as well. Ideal springs alone, however, are not shock absorbers, as springs only store and do not dissipate or absorb energy. Vehicles typically employ both hydraulic shock absorbers and springs or torsion bars. In this combination, "shock absorber" refers specifically to
2304-911: Is water. Located in the Coachella Valley desert region, Palm Springs is sheltered by the San Bernardino Mountains to the north, the Santa Rosa Mountains to the south, by the San Jacinto Mountains to the west and by the Little San Bernardino Mountains to the east. Palm Springs has a hot desert climate ( BWh in Köppen-Geiger classification ), with over 300 days of sunshine and 4.93 inches (125.2 mm) of rainfall annually. The wettest “rain year” on record
2400-549: The Agua Caliente Band of Cahuilla Indians is composed of several smaller bands who live in the modern-day Coachella Valley and San Gorgonio Pass . The Agua Caliente Reservation occupies 32,000 acres (13,000 ha), of which 6,700 acres (2,700 ha) lie within the city limits, making the Agua Caliente natives the city's largest landowners. (Tribal enrollment as of 2010 was 410 people. ) As of 1821 Mexico
2496-775: The Agua Caliente Reservation was established by the United States government in 1876, the reservation land was composed of alternating sections (640 acres or 260 ha) of land laid out across the desert in a checkerboard pattern . The alternating non-reservation sections were granted to the Southern Pacific Railroad as an incentive to bring rail lines through the Sonoran Desert . A number of streets and areas in Palm Springs are named for Native American notables, including Andreas, Arenas, Amado, Belardo, Lugo, Patencio, Saturnino, and Chino. All of these are common Cahuilla surnames. Presently
2592-544: The Alexander Construction Company built some 2,200 houses in Palm Springs effectively doubling its housing capacity. As the 1970s drew to a close, increasing numbers of retirees moved to the Coachella Valley. As a result, Palm Springs began to evolve from a virtual ghost town in the summer to a year-round community. Businesses and hotels that used to close for the months of July and August instead remained open all summer. As commerce grew, so too did
2688-711: The Coachella and Stagecoach Festivals in nearby Indio attract younger people, making greater Palm Springs a more attractive area to retire. Following the 2008 recession, Palm Springs revitalized its Downtown, "the Village". Rebuilding started with the demolition of the Bank of America building in January 2012, with the Desert Fashion Plaza scheduled for demolition in 2013. In 2020, Christy Holstege became
2784-530: The Kaufmann Desert House . A modernist classic, this mostly glass residence incorporated the latest technological advances in building materials, using natural lighting and floating planes and flowing space for proportion and detail. In recent years an energetic preservation program has protected and enhanced many classic buildings. Culver (2010) argues that Palm Springs architecture became the model for mass-produced suburban housing, especially in
2880-700: The Mountain Station in the alpine wilderness of Long Valley and Mount San Jacinto State Park . The air can be as much as 40 °F (22 °C) cooler at the top than in the desert. Visitors can walk along nature trails or play in the snow in the winter months. Back-country hiking can be done with a permit from the U.S. Forest Service . There are two restaurants at the summit, one of which specializes in fine dining. Both stations have gift shops specializing in Aerial Tramway-related merchandise as well as educational toys. A video presentation of
2976-600: The Sonoran Desert and arrive at an alpine forest. The floor of the 18-foot-diameter (5.5 m) aerial tram cars rotates constantly, making two complete revolutions throughout the duration of the journey so that the passengers can see in all directions without moving. With a maximum capacity of 80 passengers, it is the largest of the four rotating aerial trams in the world. The other "Rotair" aerial trams are located in Cape Town, South Africa , Titlis, Switzerland and Sky Way , Courmayeur , Italy . Passengers disembark at
Palm Springs Aerial Tramway - Misplaced Pages Continue
3072-687: The Torney General Hospital , with Italian prisoners of war serving as kitchen help and orderlies in 1944 and 1945. Through the war it was staffed with 1,500 personnel and treated some 19,000 patients. General Patton's Desert Training Center encompassed the entire region, with its headquarters in Camp Young at the Chiriaco Summit and an equipment depot maintained by the 66th Ordnance in present-day Palm Desert . Architectural modernists flourished with commissions from
3168-546: The 10 year limit on the leases. After changes in the Indian Leasing Act in 1959, long term leases were permitted. Mayor Frank Bogert and other city officials advocated to the conservators that managed the tribe's leases to end the short term leases and enter into long term leases to largely white property owners for redevelopment. City funds were used to clear the land for redevelopment, including burning "shacks and makeshift homes... [which had] rented for $ 20 to $ 40
3264-538: The 1963 movie Palm Springs Weekend , the number of visitors grew and at times the gatherings had problems. In 1969 an estimated 15,000 people had gathered for a concert at the Palm Springs Angel Stadium and 300 were arrested for drunkenness or disturbing the peace. In the 1980s, 10,000 or more college students would visit the city and form crowds and parties—and another rampage occurred in 1986 when Palm Springs Police in riot gear had to put down
3360-466: The 21st century. Palm Springs (as well as surrounding areas) became a desired destination as the COVID-19 pandemic began; the city saw an increase of residents from larger cities like Los Angeles, San Francisco, and Seattle, with new residents seeking less dense areas from which to work remotely. Since the early 1950s the city had been a popular spring break resort. Glamorized as a destination in
3456-774: The Cahuillas often spent the summers in Indian Canyons, the current site of the former Spa Resort Casino, in downtown, was often used during winter due to its natural hot springs. Native American petroglyphs can be seen in Tahquitz , Chino , and Indian Canyons. The Cahuilla's irrigation ditches, dams, and house pits can also be seen here. Ancient petroglyphs, pictographs and mortar holes can be seen in Andreas Canyon. The mortar holes were used to grind acorns into meal. The Agua Caliente ("Hot Water") Reservation
3552-696: The Chi Chi nightclub opening in 1936. Besides the gambling available at the Dunes Club, other casinos included The 139 Club and The Cove Club outside of the city. Bullock's , a large upscale department store on Broadway in Los Angeles , opened a Spanish Colonial-style "resort store" within the Desert Inn complex in 1930. When Bullock's opened a full department store at 151 Palm Canyon Drive in 1947, J. W. Robinson's , another large L.A. store, took
3648-657: The Coachella Valley were important in the war effort. The original airfield near Palm Springs became a staging area for the Air Corps Ferrying Command 's 21st Ferrying Group in November 1941 and a new airfield was built 1 ⁄ 2 mile (0.8 km) from the old site. The new airfield, designated Palm Springs Army Airfield, was completed in early 1942. Personnel from the Air Transport Command 560th Army Air Forces Base Unit stayed at
3744-551: The Gabriel Snubber started being fitted in the late 1900s (also the similar Stromberg Anti-Shox). These used a belt coiled inside a device such that it freely wound in under the action of a coiled spring but met friction when drawn out. Gabriel Snubbers were fitted to an 11.9HP Arrol-Johnston car which broke the 6 hour Class B record at Brooklands in late 1912, and the Automator journal noted that this snubber might have
3840-696: The La Paz Guest Ranch and training was conducted at the airfield by the 72nd and 73rd Ferrying Squadrons. Later training was provided by the IV Fighter Command 459th Base Headquarters and Air Base Squadron. Eight months before Pearl Harbor Day, the El Mirador Hotel was fully booked and adding new facilities. After the war started, the U.S. government bought the hotel from owner Warren Phinney for $ 750,000, just over $ 13,000,000 if including inflation in 2020, and converted it into
3936-458: The Mountain station for 4½ hours. During the crisis, tramway officials sought a rescue helicopter but could not locate one. The obstruction was removed by a tram operator with no training in maintenance, utilizing a borrowed Leatherman utility knife. The Desert Sun later reported that a cable inspector had discovered a break in the rescue line almost two hours before the incident occurred. In
Palm Springs Aerial Tramway - Misplaced Pages Continue
4032-613: The Oasis Hotel with her husband Austin G. McManus; the Modern/Art Deco resort was designed by Lloyd Wright and featured a 40-foot (12 m) tower. The next major hotel was the El Mirador, a large and luxurious resort that attracted the biggest movie stars; opening in 1927, its prominent feature was a 68-foot-tall (21 m) Renaissance style tower. Silent film star Fritzi Ridgeway 's 100-room Hotel del Tahquitz
4128-428: The Section 14 residents. After legal objections to its removal from Bogert's supporters and family members were rejected by the courts, the statue was relocated on July 13, 2022. Section 14 residents are still seeking financial reparations for the evictions. Similar to the pre-war era, Palm Springs remained popular with the rich and famous of Hollywood, as well as retirees and Canadian tourists. Between 1947 and 1965,
4224-547: The Southwest. This "Desert Modern" style was a high-end architectural style featuring open-design plans, wall-to-wall carpeting, air-conditioning, swimming pools, and very large windows. As Culver concludes, "While environmentalists might condemn desert modern, the masses would not. Here, it seemed, were houses that fully merged inside and outside, providing spaces for that essential component of Californian—and indeed middle-class American—life: leisure. While not everyone could have
4320-543: The Valley Station (coordinates: 33°50′14″N 116°36′51″W / 33.8372°N 116.6142°W / 33.8372; -116.6142 ) at 2,643 ft (806 m) and passes up a sheer mountain face through five life zones (biomes) on its way to the Mountain Station (coordinates: 33°48′47″N 116°38′19″W / 33.8130°N 116.6385°W / 33.8130; -116.6385 ) at 8,516 ft (2,596 m) above sea level. Travelers start in
4416-437: The action of the auxiliary spring in the unit itself. The first production hydraulic dampers to act on the main leaf spring movement were probably those based on an original concept by Maurice Houdaille patented in 1908 and 1909. These used a lever arm which moved hydraulically damped vanes inside the unit. The main advantage over the friction disk dampers was that it would resist sudden movement but allow slow movement, whereas
4512-622: The area in 1922. Palm Springs became popular with movie stars in the 1930s and estate building expanded into the Movie Colony neighborhoods, Tahquitz River Estates, and Las Palmas neighborhoods. Actors Charles Farrell and Ralph Bellamy opened the Racquet Club in 1934 and Pearl McCallum opened the Tennis Club in 1937. Nightclubs were set up as well, with Al Wertheimer opening The Dunes outside of Palm Springs in 1934 and
4608-517: The area were the Cahuilla people , who arrived 2,000 years ago. Cahuilla Indians lived here in isolation from other cultures for hundreds of years prior to European contact. They spoke Ivilyuat , which is a Uto-Aztecan language . Numerous prominent and powerful Cahuilla leaders were from the area, including Cahuilla Lion ( Chief Juan Antonio ). Palm Canyon was occupied during the winter months, but they often moved to cooler Chino Canyon during
4704-680: The cable and towers, leading it to collapse into Chino Canyon. Download coordinates as: Palm Springs, California Palm Springs ( Cahuilla : Séc-he ) is a desert resort city in Riverside County, California , United States, within the Colorado Desert 's Coachella Valley . The city covers approximately 94 square miles (240 km ), making it the largest city in Riverside County by land area. With multiple plots in checkerboard pattern, more than 10% of
4800-536: The city government, stimulated by real estate developers, systematically removed and excluded poor people and Indians. Palm Springs was pictured by the French photographer Robert Doisneau in November 1960 as part of an assignment for Fortune on the construction of golf courses in this particularly dry and hot area of the Colorado desert. Doisneau submitted around 300 slides following his ten-day stay depicting
4896-607: The city is part of the Agua Caliente Band of Cahuilla Indians reservation land and is the administrative capital of the most populated reservation in California . The population of Palm Springs was 44,575 as of the 2020 census , but because Palm Springs is a retirement location and a winter snowbird destination, the city's population triples between November and March. The city is noted for its mid-century modern architecture, design elements, arts and cultural scene, and recreational activities. The first humans to settle in
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#17327840177804992-414: The design and first appeared in 1954s. Because the design was patented, no other manufacturer could use it until 1971 when the patent expired. Spool valve dampers are characterized by the use of hollow cylindrical sleeves with machined-in oil passages as opposed to traditional conventional flexible discs or shims. Spool valving can be applied with monotube, twin-tube, or position-sensitive packaging, and
5088-419: The dissipated energy can be stored and used later. In general terms, shock absorbers help cushion vehicles on uneven roads and keep wheels in contact with the ground. In a vehicle, shock absorbers reduce the effect of traveling over rough ground, leading to improved ride quality and vehicle handling . While shock absorbers serve the purpose of limiting excessive suspension movement, their intended main purpose
5184-632: The end of the decade, Crocker named the comanager of the Palm Springs Desert Inn, O. Earl Coffman, to chair the construction committee. Both World War II and the Korean War shelved the project. Construction began in 1960. The unprecedented use of helicopters in the construction of four of the aerial tram's five towers helped the Palm Springs Aerial Tramway earn a reputation as a great engineering feat. It
5280-518: The first episode of the TV show Mannix was broadcast with the tramway as a scene in the show. The fourth and final Matt Helm movie, The Wrecking Crew , contained an action scene filmed at the tram station that featured actors Dean Martin , Nancy Kwan , and Sharon Tate . On October 2, 1971, an episode of Mission: Impossible (Season 6, Episode 3: "The Tram"), filmed at the tramway, first aired. The 1972 Columbo episode "Short Fuse" featured
5376-442: The flow of oil through an internal piston (see below). One design consideration, when designing or choosing a shock absorber, is where that energy will go. In most shock absorbers, energy is converted to heat inside the viscous fluid. In hydraulic cylinders , the hydraulic fluid heats up, while in air cylinders , the hot air is usually exhausted to the atmosphere. In other types of shock absorbers, such as electromagnetic types,
5472-402: The foot of Tramway Road was designed by Frey and Chambers. The tramway has been featured in many films and television programs since its inception. In the fall of 1966, two episodes of I Spy were filmed in Palm Springs, one of which included footage of the tramway (Season 2, Episode 1), and the other included a brief discussion of the tramway (Season 2, Episode 8). On September 16, 1967,
5568-403: The former Bullock's location and opened its own resort store there. Southern California's first self-contained shopping center was in Palm Springs, La Plaza (originally Palm Springs Plaza) , and on-street, open air center anchored by a small Desmond's department store , in 1936. The three-level parking garage for 141 cars was an innovation and the largest in Riverside County at that time. In
5664-473: The history of the attraction plays continuously in a theater at the Mountain Station. It was produced by Palm Springs television station KESQ-TV with voiceovers provided by Palm Springs radio personalities. The view at the top can stretch northward for more than 200 mi (320 km) on a clear day, all the way to Mount Charleston north of Las Vegas, Nevada . Views to the east and west can stretch as far as 75 mi (121 km). California's Salton Sea
5760-524: The hydraulic fluid through small holes, creating resistance and dissipating energy in the form of heat. This dampens oscillations, reducing further bouncing or wobble of the car. Shock construction requires a balance of features such as piston design, fluid viscosity, and overall size of the unit to ensure performance. As technology developed, other types of shock absorbers emerged, including gas and electric shock absorbers, that provided improved control and flexibility. The design and manufacture of shock absorbers
5856-430: The hydraulic piston that absorbs and dissipates vibration. Now, composite suspension systems are used mainly in 2 wheelers and also leaf springs are made up of composite material in 4 wheelers. Shock absorbers are an important part of car suspension designed to increase comfort, stability and overall safety. The shock absorber, produced with precision and engineering skills, has many important features. The most common type
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#17327840177805952-445: The iconic roadrunner , which can run at speeds exceeding 15 mph (24 km/h). Other avifauna includes the ladder-backed woodpecker , flycatchers , elf owls , great horned owls , sparrow hawks and a variety of raptors . Shock absorber Pneumatic and hydraulic shock absorbers are used in conjunction with cushions and springs. An automobile shock absorber contains spring-loaded check valves and orifices to control
6048-637: The late 1960s, the Tramway Animal Park, now defunct, was owned and operated by Animal Behavior Laboratories of Los Angeles . It was located on 10 acres (40,000 m) of land leased from the Mt. San Jacinto Winter Park Authority. A portion of the park included a fenced area for reindeer that were allowed to roam throughout Chino Canyon. In addition to reindeer, the park featured tame deer, cockatoos , two dolphins named Buttons and Beau, macaques , and various other species of primates (including "Suzie,
6144-479: The lifestyle of wealthy retirees and Hollywood stars in the 1960s. At the time, Palm Springs counted just 19 courses, which had grown to 125 by 2010. Section 14 is a square mile of land owned by the Agua Caliente Band of Cahuilla Indians within close walking distance of downtown. Former residents in this area, mostly black people and other people of color, lived in land leased in short terms by individual Indigenous owners. Commercial development did not occur due to
6240-580: The mayor of Palm Springs, which made her the first openly bisexual mayor in the United States, as well as the first female mayor of Palm Springs. The following year, Lisa Middleton became mayor, making her the first openly transgender mayor in California history. The movement behind mid-century modern architecture (1950s/60s era) in Palm Springs is backed by architecture enthusiasts, designers, and local historians to preserve many of Palm Springs' buildings and homes of famous celebrities, businessmen, and politicians. Stores sell furniture and gifts that feature
6336-452: The mid-twentieth century across the street on Palm Canyon Drive were department stores like Bullock's / Bullocks Wilshire ( No. 151, 1947–1990), J. W. Robinson's (No. 333, 1958–1987), and Saks Fifth Avenue (opened October 16, 1959, at No. 490), forming a large shopping district. In 1967 the Desert Fashion Plaza mall was built, I. Magnin opened there (closed 1992) and Saks closed its previous location and moved into
6432-566: The name was already in wide acceptance. The area was named "Palm Valley" when McCallum incorporated the "Palm Valley Land and Water Company" with partners O.C. Miller, H.C. Campbell, and James Adams, M.D. McCallum, who had brought his ill son to the dry climate for health, brought in irrigation advocate Dr. Oliver Wozencroft and engineer J. P. Lippincott to help construct a canal from the Whitewater River to fruit orchards on his property. He also asked Dr. Welwood Murray to establish
6528-532: The native California fan palm, Washingtonia filifera , which is abundant in the Palm Springs area. Other early names were "Palmetto Spring" and "Big Palm Springs". The first European resident in Palm Springs itself was Jack Summers, who ran the stagecoach station on the Bradshaw Trail in 1862. Fourteen years later (1876), the Southern Pacific railroad was laid 6 miles (9.5 km) to
6624-426: The north, isolating the station. In 1880, local Indian Pedro Chino was selling parcels near the springs to William Van Slyke and Mathew Bryne in a series of questionable transactions; they in turn brought in W. R. Porter to help market their property through the "Palm City Land and Water Company". By 1885, when San Francisco attorney (later known as "Judge") John Guthrie McCallum began buying property in Palm Springs,
6720-420: The number of families with children. The recession of 1973–1975 affected Palm Springs as many of the wealthy residents had to cut back on their spending. Later in the 1970s numerous Chicago mobsters invested $ 50 million in the Palm Springs area, buying houses, land, and businesses. While Palm Springs faced competition from the desert cities to the east in the later 1980s, it has continued to prosper into
6816-419: The oil damped in the rebound direction. The Telesco unit was fitted at the rear end of the leaf spring, in place of the rear spring to chassis mount, so that it formed part of the springing system, albeit a hydraulically damped part. This layout was presumably selected as it was easy to apply to existing vehicles, but it meant the hydraulic damping was not applied to the action of the main leaf spring, but only to
6912-403: The piece and later died as a result of the injury. In September 1984, during routine maintenance, an auxiliary cable snapped and wrapped around the main cable tracks. The Desert Sun newspaper reported that if the broken cable hadn't wedged itself under the main track cables, a rescue car with the tram's workmen in it could have plummeted down the mountain into the lower tramway station. "Without
7008-414: The piston and via the valve, converting the "shock" energy into heat which must then be dissipated. Variously known as a "gas cell two-tube" or similarly named design, this variation represented a significant advancement over the basic twin-tube form. Its overall structure is very similar to the twin-tube, but a low-pressure charge of nitrogen gas is added to the reserve tube. The result of this alteration
7104-465: The piston starts to occur with greater intensity (i.e., on bumpy sections of roads— the stiffening gives the driver greater control of movement over the vehicle so its range on either side of the comfort zone is called the "control zone"). This advance allowed car designers to make a shock absorber tailored to specific makes and models of vehicles and to take into account a given vehicle's size and weight, its maneuverability, its horsepower, etc. in creating
7200-404: The population dropped markedly in the summer months. In 1906 naturalist and travel writer George Wharton James 's two volume The Wonders of the Colorado Desert described Palm Springs as having "great charms and attractiveness" and included an account of his stay at Murray's hotel. As James also described, Palm Springs was more comfortable in its microclimate because the area was covered in
7296-455: The pressure tube in response to changes in road smoothness. The two pistons also completely separate the shock's fluid and gas components. The mono-tube shock absorber is consistently a much longer overall design than the twin-tubes, making it difficult to mount in passenger cars designed for twin-tube shocks. However, unlike the twin-tubes, the mono-tube shock can be mounted either way— it does not have any directionality. It also does not have
7392-521: The region became part of the United States in 1848. One possible origin of palm in the place name comes from early Spanish explorers who referred to the area as La Palma de la Mano de Dios or "The Palm of God's hand". The earliest use of the name "Palm Springs" is from United States Topographical Engineers who used the term in 1853 maps. According to William Bright , when the word "palm" appears in Californian place names, it usually refers to
7488-529: The rotary friction dampers tended to stick and then offer the same resistance regardless of speed of movement. There appears to have been little progress on commercialising the lever arm shock absorbers until after World War I , after which they came into widespread use, for example as standard equipment on the 1927 Ford Model A and manufactured by Houde Engineering Corporation of Buffalo, NY. Most vehicular shock absorbers are either twin-tube or mono-tube types with some variations on these themes. Also known as
7584-449: The rowdy crowd. In 1990, due to complaints by residents, mayor Sonny Bono and the city council closed the city's Palm Canyon Drive to spring breakers and the downtown businesses, normally filled with tourists, lost money. Tourism is a major factor in the city's economy with 1.6 million visitors in 2011. The city has over 130 hotels and resorts, numerous bed and breakfasts , and over 100 restaurants and dining spots. Events such as
7680-498: The shadow of Mount San Jacinto to the west and in the winter the mountains block cold winds from the San Gorgonio Pass . Early illustrious visitors included John Muir and his daughters, U.S. Vice President Charles Fairbanks , and Fanny Stevenson , widow of Robert Louis Stevenson . Murray's hotel was closed in 1909 and torn down in 1954. Nellie N. Coffman and her physician husband Harry established The Desert Inn as
7776-455: The show-off chimpanzee "). The animals performed in regularly scheduled shows. Both tramway stations were designed by notable mid-century modern architects. The Valley Station, finished in 1963, was designed by Albert Frey and Robson C. Chambers . The Mountain Station , built in 1961, was designed by architect E. Stewart Williams . Additionally, the distinctive Tramway Gas Station at
7872-441: The snag," a state investigator said, "those two men wouldn't be with us today." In 1985, a flash flood buried vehicles parked in the Valley Station's parking lot in mud and tore up about three-quarters of a mile of Tramway Road. Stranded passengers had to be airlifted from the area. Not all Tramway accidents happened on the passenger lifts. On July 31, 1991, a bus carrying approximately 60 Girl Scouts careened out of control as it
7968-526: The spring and vehicle combination bounced with a characteristic frequency, these auxiliary springs were designed with a different period, but were not a solution to the problem that the spring rebound after striking a bump could throw you out of your seat. What was called for was damping that operated on the rebound. Although C.L. Horock came up with a design in 1901 that had hydraulic damping, it worked in one direction only. It does not seem to have gone into production right away, whereas mechanical dampers such as
8064-400: The stars, using the city to explore architectural innovations, new artistic venues, and an exotic back-to-the-land experiences. Inventive architects designed unique vacation houses, such as steel houses with prefabricated panels and folding roofs, a glass-and-steel house in a boulder-strewn landscape, and a carousel house that turned to avoid the sun's glare. In 1946, Richard Neutra designed
8160-459: The summer months. The Cahuilla Indians had several permanent settlements in the canyons of Palm Springs due to the abundance of water and shade. Various hot springs were used during wintertime. The Cahuilla hunted rabbit, mountain goat, and quail while trapping fish in nearby lakes and rivers. While men were responsible for hunting, women were responsible for collecting berries, acorns, and seeds. They also made tortillas from mesquite seeds. While
8256-568: The tramway as the location of the climactic scene at the end of the show where Columbo tricks the murderer into revealing his guilt. The 1974 television movie Skyway to Death , shown on the ABC Movie of the Week , had its exterior scenes filmed at the tramway. In the 2010 Life After People episode "Holiday Hell", the dry desert environment allows the tramway to survive for 120 years without maintenance; however, corrosion eventually sets in on
8352-452: The twin-tube form has been the mono-tube shock absorber which was considered a revolutionary advancement when it appeared in the 1950s. As its name implies, the mono-tube shock, which is also a gas-pressurized shock and also comes in a coilover format, consists of only one tube, the pressure tube, though it has two pistons. These pistons are called the working piston and the dividing or floating piston, and they move in relative synchrony inside
8448-443: Was also fitted to many cars. One of the problems with motor cars was the large variation in sprung weight between lightly loaded and fully loaded, especially for the rear springs. When heavily loaded the springs could bottom out, and apart from fitting rubber 'bump stops', there were attempts to use heavy main springs with auxiliary springs to smooth the ride when lightly loaded, which were often called 'shock absorbers'. Realizing that
8544-502: Was built in 1929, next to the "Fool's Folly" mansion built by Chicago heiress Lois Kellogg. Golfing was available at the O'Donnell 9 hole course (1926) and the El Mirador (1929) course (see Golf below ). Hollywood movie stars were attracted by the hot dry, sunny weather and seclusion—they built homes and estates in the Warm Sands, The Mesa, and Historic Tennis Club neighborhoods (see Neighborhoods below ). About 20,000 visitors came to
8640-415: Was established in 1876 and consists of 31,128 acres (12,597 ha). Six thousand seven hundred acres (2,700 ha) are located by Downtown Palm Springs. The Native American land is on long lease land and next to one of California's high-end communities, making the tribe one of the wealthiest in California. The first name for Palm Springs was given by the native Cahuilla: "Se-Khi" (boiling water). When
8736-501: Was first proposed by electrical engineer Francis F. Crocker during a 1935 trip to Banning, California , with the Desert Sun newspaper publisher Carl Barkow. During the heat of the day, Crocker's gaze fell upon the snow-capped, 10,804-foot-high (3,293 m) peak of Mount San Jacinto to the east. Crocker then proposed building an aerial tram up the face of Chino Canyon , an idea that one newspaper dubbed "Crocker's Folly". Toward
8832-660: Was from July 1926 to June 1927 with 17.68 inches or 449.1 millimetres — of which 10.22 inches or 259.6 millimetres fell during three days in mid-February — and the driest from July 2001 to June 2002 with 0.40 inches or 10.2 millimetres. The winter months are warm, with a majority of days reaching 70 °F or 21.1 °C and in January and February afternoons often see temperatures of 80 °F or 26.7 °C and on occasion reach over 90 °F or 32.2 °C, while, on average, there are 17 mornings annually dipping to or below 40 °F or 4.4 °C; freezing temperatures occur in less than half of years. The lowest temperature recorded
8928-409: Was heading downhill on Tram Road, killing the driver and six passengers. In 2000, the original tram cars were replaced by new cars that rotate slowly, offering riders a 360° panoramic view of Chino Canyon and the desert valley floor. In October 2003, a steel cable broke and caused a mechanical failure that left more than fifty tramway customers hanging in mid-air and one hundred passengers stranded at
9024-783: Was independent of Spain, and in March 1823, the Mexican Monarchy ended. That same year (in December) Mexican diarist José María Estudillo and Brevet Captain José Romero were sent to find a route from Sonora to Alta California ; on their expedition, they first recorded the existence of "Agua Caliente" at Palm Springs, California. With the Treaty of Guadalupe Hidalgo after the Mexican-American War ,
9120-408: Was opened in September 1963. In 1963, a tram car became stuck for 13½ hours because of an electrical problem in the control room. In June 1984, a tram car was headed down the mountain when a bolt from a shock absorber snapped, causing a 30-pound (14 kg) piece of metal to crash through a Plexiglas window along the car's roof. Tram passenger Elaine Tseko of Ontario, California , was struck by
9216-533: Was the reason it was "impossible" to use them as main springs. However the amount of damping provided by leaf spring friction was limited and variable according to the conditions of the springs, and whether wet or dry. It also operated in both directions. Motorcycle front suspension adopted coil sprung Druid forks from about 1906, and similar designs later added Friction disk shock absorber rotary friction dampers, which damped both ways - but they were adjustable (e.g. 1924 Webb forks). These friction disk shock absorber s
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