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73-426: F300 or F.300 may refer to: Farman F.300 , a 1930 French airliner Ferrari F300 , a 1998 Italian Formula One car [REDACTED] Topics referred to by the same term This disambiguation page lists articles associated with the same title formed as a letter–number combination. If an internal link led you here, you may wish to change the link to point directly to

146-411: A fire . Fire extinguishers manufactured with non-cylindrical pressure vessels also exist but are less common. There are two main types of fire extinguishers: stored-pressure and cartridge-operated. In stored pressure units, the expellant is stored in the same chamber as the firefighting agent itself. Depending on the agent used, different propellants are used. With dry chemical extinguishers, nitrogen

219-495: A 20 lb (9.1 kg), while most others can carry a 5 lb (2.3 kg)). The revised NFPA 10 created criteria on the placement of " fast flow extinguishers " in locations such as those storing and transporting pressurized flammable liquids and pressurized flammable gas or areas with possibility of three-dimensional class B hazards are required to have "fast flow extinguishers" as required by NFPA 5.5.1.1. Varying classes of competition vehicles require fire extinguishing systems,

292-413: A band or circle of a second color covering between 5–10% of the surface area of the extinguisher indicates the contents. Before 1997, the entire body of the fire extinguisher was color coded according to the type of extinguishing agent. The UK recognises six fire classes : Class E has been discontinued, but covered fires involving electrical appliances. This is no longer used on the basis that, when

365-479: A branch pipe) or nonaspirated form to create a frothy blanket or seal over the fuel, preventing oxygen reaching it. Unlike powder, foam can be used to progressively extinguish fires without flashback. Water cools burning carbonaceous material and is very effective against fires in furniture, fabrics, etc. (including deep-seated fires). Water-based extinguishers cannot be used safely on energized electrical fires or flammable liquid fires. Additives can be used to alter

438-508: A cartridge-operated dry chemical extinguisher, which used sodium bicarbonate specially treated with chemicals to render it free-flowing and moisture-resistant. It consisted of a copper cylinder with an internal CO 2 cartridge. The operator turned a wheel valve on top to puncture the cartridge and squeezed a lever on the valve at the end of the hose to discharge the chemical. This was the first agent available for large-scale three-dimensional liquid and pressurized gas fires, but remained largely

511-448: A cloud of ABC dry chemical powder which extinguishes the fire. The coverage area is about 5 m (54 sq ft). One benefit of this type is that it may be used for passive suppression. The ball can be placed in a fire-prone area and will deploy automatically if a fire develops, being triggered by heat. They may also be manually operated by rolling or tossing into a fire. Most modern extinguishers of this type are designed to make

584-544: A coloured band near the top, covering at least 10% of the extinguisher's body length, specifying its contents. Due to the ozone-depleting nature of halon, in Australia yellow (Halon) fire extinguishers are illegal to own or use on a fire, unless an essential use exemption has been granted. According to the standard BS EN 3 , fire extinguishers in the United Kingdom as all throughout Europe are red RAL 3000 , and

657-535: A fire in London. A portable pressurised fire extinguisher, the 'Extincteur' was invented by British Captain George William Manby and demonstrated in 1816 to the 'Commissioners for the affairs of Barracks'; it consisted of a copper vessel of 3 gallons (13.6 liters) of pearl ash ( potassium carbonate ) solution contained within compressed air . When operated it expelled liquid onto the fire. One of

730-478: A floatplane version of the same basic design, was destroyed while landing during trials, and no further examples were built. Data from Farman F.301: Aviafrance The Farman "F.300" commercial airplane (French) General characteristics Performance Fire extinguisher A fire extinguisher is a handheld active fire protection device usually filled with a dry or wet chemical used to extinguish or control small fires, often in emergencies . It

803-512: A large size (25–150  μm ) condensed aerosols are defined by the National Fire Protection Association as releasing finely divided solid particles (generally <10 μm), usually in addition to gas. Whereas dry chemical systems must be directly aimed at the flame, condensed aerosols are flooding agents and therefore effective regardless of the location and height of the fire. Wet chemical systems, such as

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876-553: A loud noise upon deployment. This technology is not new, however. From about 1880 glass "fire grenades" filled with a weak solution of common salt and ammonium chloride in water were popular. The addition of the salts was to prevent freezing, with ammonium chloride thought to be more effective in extinguishing flame. They were deployed by hurling them at the base of the fire. Containing only about one imperial pint (0.57 L), they were of limited use. Some later brands, such as Red Comet, were designed for passive operation and included

949-521: A nozzle. CO 2 is still popular today as it is an ozone-friendly clean agent and is used heavily in film and television production to extinguish burning stuntmen . Carbon dioxide extinguishes fire mainly by displacing oxygen. It was once thought that it worked by cooling, although this effect on most fires is negligible. An anecdotal report of a carbon dioxide fire extinguisher was published in Scientific American in 1887 which describes

1022-410: A number of world records. On 9 March 1931, Jean Réginensi and Marcel Lalouette set new distance and duration records over a closed circuit with a 2,000 kg payload, flying 2,678 km (1,664 mi) in 17 hours. Another, the F.304 was built as a special trimotor for Marcel Goulette to make a long-distance flight the same month from Paris to Tananarive and back. The F.310 prototype of

1095-452: A pressurized extinguisher using an external CO 2 cartridge to discharge the agent. Met-L-X ( sodium chloride ) was the first extinguisher developed in the US, with graphite , copper , and several other types being developed later. In the 1940s, Germany invented the liquid chlorobromomethane (CBM) for use in aircraft. It was more effective and slightly less toxic than carbon tetrachloride and

1168-408: A qualified technician. Some jurisdictions require more frequent service. The servicer places a tag on the extinguisher to indicate the type of service performed (annual inspection, recharge, new fire extinguisher). Hydrostatic pressure testing for all types of extinguishers is also required, generally every five years for water and CO 2 models up to every 12 years for dry chemical models. Recently

1241-499: A rating of just C. Fire extinguishers are usually fitted in buildings at an easily accessible location, such as against a wall in a high-traffic area. They are also often fitted to motor vehicles , watercraft , and aircraft – this is required by law in many jurisdictions, for identified classes of vehicles. Under NFPA 10 all commercial vehicles must carry at least one fire extinguisher, with size/UL rating depending on type of vehicle and cargo (i.e., fuel tankers usually must have

1314-448: A reduced power set, which was relatively fuel-efficient, caused less wear, and also reduced risk of engine failure. These engines were arranged with one being in the nose aircraft while the other two were housed in lateral nacelles that were bolted directly onto the underside of the wing in a relatively drag -efficient manner. Due to the positioning of the engines, as well as the fitting of silencers , relatively little vibration or noise

1387-543: A relatively rigid framework reinforced by interior ribs and double-covered by plywood . The aircraft was intentionally designed with relatively simplistic construction, which eased both inspection and repair tasks. This principal was extended to the tooling , efforts were made to avoid needing specialist or elaborate equipment to maintain or repair any part of the aircraft. It was typically powered by an arrangement of three Salmson 9Ab radial engines ; they provided plentiful reserve power and thus were typically operated at

1460-462: A soap) and by the water content cooling the oil below its ignition temperature. Generally, class A and K (F in Europe) only, although older models also achieved class B and C fire-fighting capability in the past, current models are rated A:K (Amerex, Ansul, Buckeye and Strike First) or K only (Badger/Kidde). Clean agents extinguish fire by displacing oxygen (CO 2 or inert gases), removing heat from

1533-417: A solution of water and sodium bicarbonate with tartaric acid , producing the propellant carbon dioxide (CO 2 ) gas. A soda-acid extinguisher was patented in the U.S. in 1880 by Almon M. Granger . His extinguisher used the reaction between sodium bicarbonate solution and sulfuric acid to expel pressurized water onto a fire. A vial of concentrated sulfuric acid was suspended in the cylinder. Depending on

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1606-403: A special holder with a spring-loaded trigger that would break the glass ball when a fusible link melted, or were sealed with wax to melt in contact with flame and release the contents. As was typical of this era, some glass extinguishers contained the toxic (but effective) carbon tetrachloride . These glass fire grenade bottles are sought after by collectors. Condensed aerosol fire suppression

1679-489: A special low-velocity nozzle or discharge wand to gently apply the agent in large volumes to avoid disrupting any finely divided burning materials. Agents are also available in bulk and can be applied with a scoop or shovel. Several modern "ball" or grenade-style extinguishers are available on the market. The modern version of the ball is a hard foam shell, wrapped in fuses that lead to a small black powder charge within. The ball bursts shortly after contact with flame, dispersing

1752-486: A specialty type until the 1950s, when small dry chemical units were marketed for home use. ABC dry chemical came over from Europe in the 1950s, with Super-K being invented in the early 1960s and Purple-K being developed by the United States Navy in the late 1960s. Manually applied dry agents such as graphite for class D (metal) fires had existed since World War II, but it was not until 1949 that Ansul introduced

1825-600: A trimotor engine configuration that was popular amongst numerous aircraft manufacturers of the era. Both the cockpit and passenger compartment were fully enclosed. Most saw service in Farman's own airline , whose twelve F.300 variants made up half of its fleet in 1931. The Farman F.300 was a trimotor semi- cantilever monoplane airliner . The aircraft was outfitted for night flying, featuring regulation position lights as standard; additional apparatus could include searchlights , signal lamps , flares , and rockets. A radio set

1898-477: Is a particle-based form of fire extinction similar to gaseous fire suppression or dry chemical fire extinction. As with gaseous fire suppressants, condensed aerosol suppressants use clean agents to suppress the fire. The agent can be delivered by means of mechanical operation, electric operation, or combined electro-mechanical operation. To the difference of gaseous suppressants, which emit only gas, and dry chemical extinguishers, which release powder-like particles of

1971-477: Is a powder-based agent that extinguishes by separating the three parts of the fire triangle . It prevents the chemical reactions involving heat, fuel, and oxygen, thus extinguishing the fire. During combustion , the fuel breaks down into free radicals , which are highly reactive fragments of molecules that react with oxygen. The substances in dry chemical extinguishers can stop this process. Applied to fuel fires as either an aspirated (mixed and expanded with air in

2044-414: Is an additional feature requiring special testing (35 kV dielectric test per EN 3-7:2004). A powder or CO 2 extinguisher will bear an electrical pictogramme as standard signifying that it can be used on live electrical fires (given the symbol E in the table). If a water-based extinguisher has passed the 35 kV test it will also bear the same electrical pictogramme – however, any water-based extinguisher

2117-508: Is any record was patented in England in 1723 by Ambrose Godfrey , a celebrated chemist at that time. It consisted of a cask of fire-extinguishing liquid containing a pewter chamber of gunpowder. This was connected with a system of fuses which were ignited, exploding the gunpowder and scattering the solution. This device was probably used to a limited extent, as Bradley's Weekly Messenger for November 7, 1729, refers to its efficiency in stopping

2190-406: Is not intended for use on an out-of-control fire, such as one which has reached the ceiling , endangers the user (i.e., no escape route, smoke, explosion hazard, etc.), or otherwise requires the equipment, personnel, resources or expertise of a fire brigade . Typically, a fire extinguisher consists of a hand-held cylindrical pressure vessel containing an agent that can be discharged to extinguish

2263-477: Is only recommended for inadvertent use on electrical fires. There is no official standard in the United States for the color of fire extinguishers, though they are usually red, except for class D extinguishers which are usually yellow, water and Class K wet chemical extinguishers which are usually silver, and water mist extinguishers which are usually white. Extinguishers are marked with pictograms depicting

F300 - Misplaced Pages Continue

2336-437: Is typically used; water and foam extinguishers typically use air . Stored pressure fire extinguishers are the most common type. Cartridge-operated extinguishers contain the expellant gas in a separate cartridge that is punctured before discharge, exposing the propellant to the extinguishing agent. This type is not as common, used primarily in areas such as industrial facilities, where they receive higher-than-average use. They have

2409-576: The Occupational Safety and Health Administration , are generally consistent with standards established by the National Fire Protection Association (NFPA). They commonly require, for fire extinguishers in all buildings other than single-family dwellings, inspections every 30 days to ensure the unit is pressurized and unobstructed (done by an employee of the facility) and an annual inspection and service by

2482-566: The 1970s, Halon 1211 came over to the United States from Europe where it had been used since the late 1940s or early 1950s. Halon 1301 had been developed by DuPont and the United States Army in 1954. Both 1211 and 1301 work by inhibiting the chain reaction of the fire, and in the case of Halon 1211, cooling class A fuels as well. Halon is still in use today but is falling out of favor for many uses due to its environmental impact. Europe and Australia have severely restricted its use, since

2555-512: The 30 to 60 hertz range drives oxygen away from the combustion surface, extinguishing the fire, a principle was previously tested by the Defense Advanced Research Projects Agency (DARPA). One proposed application is to extinguish fires in outer space , with none of the clean-up required for mass-based systems. Another proposed solution for fire extinguishers in space is a vacuum cleaner that extracts

2628-671: The Montreal Protocol of 1987. Less severe restrictions have been implemented in the United States, the Middle East, and Asia. Internationally there are several accepted classification methods for hand-held fire extinguisher. Each classification is useful in fighting fires with a particular group of fuel. Specifications of fire extinguishers are set out in the standard AS/NZS 1841, the most recent version being released in 2007. All fire extinguishers must be painted signal red. Except for water extinguishers, each extinguisher has

2701-485: The NFPA and ICC voted to allow for the elimination of the 30-day inspection requirement so long as the fire extinguisher is monitored electronically. According to NFPA, the system must provide record keeping in the form of an electronic event log at the control panel. The system must also constantly monitor an extinguisher's physical presence, internal pressure and whether an obstruction exists that could prevent ready access. In

2774-615: The U.S. and water, wetting agent, foam, dry chemical (classes ABC and B.C.), and dry powder (class D) types in the rest of the world. Fire extinguishers are further divided into handheld and cart-mounted (also called wheeled extinguishers). Handheld extinguishers weigh from 0.5 to 14 kilograms (1.1 to 30.9 lb), and are hence, easily portable by hand. Cart-mounted units typically weigh more than 23 kilograms (51 lb). These wheeled models are most commonly found at construction sites , airport runways , heliports , as well as docks and marinas . The first fire extinguisher of which there

2847-519: The US) by the Walter Kidde Company in 1924 in response to Bell Telephone's request for an electrically non-conductive chemical for extinguishing the previously difficult-to-extinguish fires in telephone switchboards. It consisted of a tall metal cylinder containing 7.5 pounds (3.4 kg) of CO 2 with a wheel valve and a woven brass, cotton-covered hose, with a composite funnel-like horn as

2920-457: The United States. The ADA height limit of the fire extinguisher, as measured at the handle, is 48 in (1.2 m). Fire extinguisher installations are also limited to protruding no more than 4 inches into the adjacent path of travel. The ADA rule states that any object adjacent to a path of travel may not project more than 4 in (10 cm) if the object's bottom leading edge is higher than 27 in (0.69 m). The 4-inch protrusion rule

2993-431: The advantage of simple and prompt recharge, allowing an operator to discharge the extinguisher, recharge it, and return to the fire in a reasonable amount of time. Unlike stored pressure types, these extinguishers use compressed carbon dioxide instead of nitrogen, although nitrogen cartridges are used on low-temperature (–60 rated) models. Cartridge-operated extinguishers are available in dry chemical and dry powder types in

F300 - Misplaced Pages Continue

3066-415: The aircraft to be operated alternately by either pilot. Via a series of windows along the sides and top of the cockpit, the pilots were provided with favourable external visibility across most directions; the side windows could also be opened and closed to the pilot's preference. The windows were intentionally inclined to deter adherence by rain and thus visibility becoming obscured. Various instrumentation

3139-408: The cabin were punctuated by eight relatively large glass windows that provided both external visibility (when the adjustable sunshade was raised) and ventilation at the direction of each passenger. The temperature of the cabin could be maintained and adjusted across a wide range via an air-based heating system, while lighting was provided by several electric ceiling lamps. Baggage nets were provided for

3212-420: The case of a basement fire at a Louisville, Kentucky pharmacy which melted a lead pipe charge with CO 2 (called carbonic acid gas at the time) intended for a soda fountain which immediately extinguished the flames thus saving the building. Also in 1887, carbonic acid gas was described as a fire extinguisher for engine chemical fires at sea and ashore. In 1928, DuGas (later bought by ANSUL ) came out with

3285-431: The class letter, such as 1-A:10-B:C. The number preceding the A multiplied by 1.25 gives the equivalent extinguishing capability in gallons of water. The number preceding the B indicates the size of fire in square feet that an ordinary user should be able to extinguish. There is no additional rating for class C, as it only indicates that the extinguishing agent will not conduct electricity, and an extinguisher will never have

3358-498: The combustible materials. Most countries in the world require regular fire extinguisher maintenance by a competent person to operate safely and effectively, as part of fire safety legislation. Lack of maintenance can lead to an extinguisher not discharging when required, or rupturing when pressurized. Deaths have occurred, even in recent times, from corroded extinguishers exploding. In the United States, state and local fire codes, as well as those established by federal agencies such as

3431-516: The combustion zone ( Halotron I , FE-36 , Novec 1230 ) or inhibiting the chemical chain reaction (Halons, Halotron BrX). They are referred to as clean agents because they do not leave any residue after discharge, which is ideal for protecting sensitive electronics, aircraft, armored vehicles and archival storage, museums, and valuable documents. There are several class D fire extinguisher agents available; some will handle multiple types of metals, others will not. Most class D extinguishers will have

3504-423: The container was unpressurized, it could be refilled after use through a filling plug with a fresh supply of CTC. Another type of carbon tetrachloride extinguisher was the fire grenade . This consisted of a glass sphere filled with CTC, that was intended to be hurled at the base of a fire (early ones used salt-water, but CTC was more effective). Carbon tetrachloride was suitable for liquid and electrical fires and

3577-404: The extinguishers were fitted to motor vehicles. Carbon tetrachloride extinguishers were withdrawn in the 1950s because of the chemical's toxicity – exposure to high concentrations damages the nervous system and internal organs. Additionally, when used on a fire, the heat can convert CTC to phosgene gas, formerly used as a chemical weapon. The carbon dioxide extinguisher was invented (at least in

3650-458: The fire suppression ability of carbon tetrachloride relied on oxygen removal). In 1911, they patented a small, portable extinguisher that used the chemical. This consisted of a brass or chrome container with an integrated handpump, which was used to expel a jet of liquid towards the fire. It was usually of 1 imperial quart (1.1 L) or 1 imperial pint (0.57 L) capacity but was also available in up to 2 imperial gallons (9.1 L) size. As

3723-552: The first fire extinguisher patents was issued to Alanson Crane of Virginia on Feb. 10, 1863. Thomas J. Martin , an American inventor, was awarded a patent for an improvement in the Fire Extinguishers on March 26, 1872. His invention is listed in the U. S. Patent Office in Washington, DC under patent number 125,603. The soda-acid extinguisher was first patented in 1866 by Francois Carlier of France, which mixed

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3796-401: The foam in the form of a jet. Although liquorice-root extracts and similar compounds were used as additives (stabilizing the foam by reinforcing the bubble-walls), there was no "foam compound" in these units. The foam was a combination of the products of the chemical reactions: sodium and aluminium salt-gels inflated by the carbon dioxide. Because of this, the foam was discharged directly from

3869-406: The fuselage. In the vicinity of the lateral engine nacelles , a pair of oblique streamlined duralurnin struts that attached to the lower portion of the fuselage were present for additional support; rigidity was secured via auxiliary struts and the undercarriage struts. This widely-spaced undercarriage, which was hinged to both the fuselage and the wing struts, featured an axleless design and

3942-448: The intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=F300&oldid=932820957 " Category : Letter–number combination disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Farman F.300 They were high-wing strut - braced monoplanes with fixed tailskid undercarriage with

4015-399: The kind generally found in foam extinguishers, must, similarly to dry chemical systems, be sprayed directionally, onto the fire. Additionally, wet chemicals (such as potassium carbonate) are dissolved in water, whereas the agents used in condensed aerosols are microscopic solids. In 2015, researchers from George Mason University announced that high volume sound with low bass frequencies in

4088-593: The mandatory installation of fire extinguishers in vehicles is limited to self-propelled plant in agriculture and arboriculture , passenger service vehicles with more than 12 seats and vehicles that carry flammable goods. NZ Transport Agency recommends that all company vehicles carry a fire extinguisher, including passenger cars. Fire extinguishers mounted inside aircraft engines are called extinguishing bottles or fire bottles . Different types of extinguishing agents have different modes of action, and certain ones are only appropriate for specific fire classes . This

4161-437: The most collectable extinguishers as they cross into both the apparatus restoration and fire extinguisher areas of interest. In 1910, The Pyrene Manufacturing Company of Delaware filed a patent for using carbon tetrachloride (CTC, or CCl 4 ) to extinguish fires. The liquid vaporized and extinguished the flames by inhibiting the chemical chain reaction of the combustion process (it was an early 20th-century presupposition that

4234-433: The passengers to keep necessary items within reach, although the majority of the baggage was expected to be stowed in a dedicated baggage room, which was fitted with a large door suitable for the loading and unloading for freight. Additionally, there was a lavatory , complete with running water, at the rear of the passenger cabin. One variant, the F.302 , was specially built as a single-engine machine to make an attempt at

4307-463: The power supply is turned off, an electrical fire can fall into any of the remaining five categories. In the UK, the use of Halon gas is now prohibited except under certain situations such as on aircraft and in the military and police. Fire extinguishing performance per fire class is displayed using numbers and letters such as 13A, 55B. EN3 does not recognise a separate electrical class – however there

4380-400: The properties of water extinguishers, though additives not specified by the manufacturer will void the extinguisher’s listing. These include: Wet chemical ( potassium acetate , potassium carbonate , or potassium citrate ) extinguishes the fire by forming an air-excluding soapy foam blanket over the burning oil through the chemical process of saponification (a base reacting with a fat to form

4453-467: The simplest requirements being a 1A:10BC hand-held portable extinguisher mounted to the interior of the vehicle. The height limit for installation, as determined by the National Fire Protection Association (NFPA), is 60 in (1.5 m) for fire extinguishers weighing less than 40 lb (18 kg). However, compliance with the Americans with Disabilities Act (ADA) also needs to be followed within

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4526-414: The soda-acid type, but the inner parts were slightly different. The main tank contained a solution of sodium bicarbonate in water, whilst the inner container (somewhat larger than the equivalent in a soda-acid unit) contained a solution of aluminium sulphate . When the solutions were mixed, usually by inverting the unit, the two liquids reacted to create a frothy foam, and carbon dioxide gas. The gas expelled

4599-418: The threat posed by an engine fire, fire extinguishers were mounted on the engines while warning indicators were provided within the cockpit. Other fire-prevention measures included the presence of firewalls and the location of the fuel tanks being distant from both the engines and most other potential sources of ignition. The high-mounted wings of the aircraft were directly attached to the upper portion of

4672-445: The type of extinguisher, the vial of acid could be broken in one of two ways. One used a plunger to break the acid vial, while the second released a lead stopple that held the vial closed. Once the acid was mixed with the bicarbonate solution, carbon dioxide gas was expelled and thereby pressurized the water. The pressurized water was forced from the canister through a nozzle or short length of hose. The cartridge-operated extinguisher

4745-527: The types of fires that the extinguisher is approved to fight. In the past, extinguishers were marked with colored geometric symbols, and some extinguishers still use both symbols. The types of fires and additional standards are described in NFPA 10: Standard for Portable Fire Extinguishers, 2013 edition. Fire extinguishing capacity is rated in accordance with ANSI/UL 711: Rating and Fire Testing of Fire Extinguishers. The ratings are described using numbers preceding

4818-570: The unit, with no need for an aspirating branchpipe (as in newer mechanical foam types). Special versions were made for rough service, and vehicle mounting, known as apparatus of fire department types. Key features were a screw-down stopper that kept the liquids from mixing until it was manually opened, carrying straps, a longer hose, and a shut-off nozzle. Fire department types were often private label versions of major brands, sold by apparatus manufacturers to match their vehicles. Examples are Pirsch, Ward LaFrance, Mack, Seagrave, etc. These types are some of

4891-438: Was designed to protect people with low-vision and those who are blind. The height limit rule of 48 inches is primarily related to access by people with wheelchairs but it is also related to other disabilities as well. Prior to 2012, the height limit was 54 in (1.4 m) for side-reach by wheelchair-accessible installations. Installations made prior to 2012 at the 54-inch height are not required to be changed. In New Zealand,

4964-531: Was equipped with Meissier -built oleo-pneumatic shock absorbers and brakes. The undercarriage has been credited for the aircraft's relatively high stability during take-off runs, even from inhospitable terrain, while the brakes permitted the landing distance required to be significantly shortened as well. Careful use of the brakes prior to starting the take-off run could also shorten the distance required. The cockpit provided room for two pilots; both positions were provisioned with full flight controls, permitting

5037-403: Was inflicted upon the passengers. To ease handling issues in the event of a single engine outage, the three propellers driven by these engines were placed relatively close together. The aircraft could fly indefinitely on only two engines. Various ignition systems could be used to start the engines, including Farman's own combination starters, cartridge-based systems, and other means. To address

5110-505: Was invented by Read & Campbell of England in 1881, which used water or water-based solutions. They later invented a carbon tetrachloride model called the "Petrolex" which was marketed toward automotive use. The chemical foam extinguisher was invented in 1904 by Aleksandr Loran in Russia, based on his previous invention of fire fighting foam . Loran first used it to extinguish a pan of burning naphtha. It worked and looked similar to

5183-433: Was provided as standard, capable of both sending and receiving; electricity was supplied using either a windmill generator or a battery. The relatively low wing loading and balance of the aircraft were such that instances of motion sickness were claimed to be relatively low amongst the aircraft's passengers. The aircraft featured mixed construction, being made of wood, duralumin , and fabric . The fuselage comprised

5256-451: Was provided, including an air speed indicator , compass , altimeter , fuel gauge, and oil thermometers . The passenger cabin was separated from the cockpit by a partition , albeit with an inset door permitting passage between the two areas. This cabin typically contains eight comfortable chairs, which were upholstered with artificial leather and fitted with adjustable backs, compact movable tables, arm rests , and straps. The walls of

5329-460: Was used until 1969. Methyl bromide was discovered as an extinguishing agent in the 1920s and was used extensively in Europe. It is a low-pressure gas that works by inhibiting the chain reaction of the fire and is the most toxic of the vaporizing liquids, used until the 1960s. The vapor and combustion by-products of all vaporizing liquids were highly toxic and could cause death in confined spaces. In

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