The Scott Sociable was an English automobile manufactured from 1921 to 1925 by the Scott Autocar Company of Bradford , Yorkshire , an offshoot of the Scott Motorcycle Company .
55-407: During World War I Alfred Angas Scott had made sidecar machine gun carriers. From these he developed a three-wheel car with two wheels in line and a third one set alongside the other rear wheel, all supported by a triangulated tubular steel frame. Although the layout still resembled that of a motorcycle and sidecar combination, it had wheel steering by rack and pinion . Its power was supplied by
110-705: A 1000 cc engine capacity class. The new FIM Formula 2 class for Sidecars was introduced for the 1990 Isle of Man TT. The 2015 specifications for entries into the Sidecar TT race are: For the 1911 Isle of Man TT , the first TT event using the Snaefell Mountain Course or Mountain Course , two separate races were introduced. The first event was a four lap Junior TT race and a separate Senior TT race for 500 cc single-cylinder and 585 cc twin-cylinder motorcycles, over five laps of
165-526: A casualty. They also have other duties such as course inspection, observation of machines on the course for visible faults, and review and report any course incidents. As of 2023, all travelling marshals rode Honda CBR1000RR Fireblades. The 1982 Road Racing Act (Isle of Man) and the supplementary TT Road Races Orders allow vehicles and pedestrians to cross the Snaefell Mountain Course at certain points between scheduled race periods under
220-516: A fire during a pit stop in 4 hours, 9 minutes and 36 seconds at an average race speed of 30.04 mph (48.34 km/h). The TT Races since the first race in 1907 have been in the format of time-trial. The races held on the Clypse Course during the period 1954–1959 were the more traditional full grid starts along with the 1924 Lightweight TT Race and Clubmen TT Races from 1948, which were also "mass-start" races. The current format
275-477: A fully triangulated frame, rotary induction valves, and used unit construction for his motorcycle engine. Scott started making boat engines in 1900. He patented his first engine in 1904 (Patent GB 3367 of 1904) and started motorcycle production in 1908 with a vertical two-stroke 450 cc twin, with patented triangulated frame, chain drive, neutral-finder, kick starter (Patent GB 27667 of 1908), and two-speed gearbox. His patented two-stroke engine designs are still
330-406: A six-speed belt drive Charlie Collier riding a Matchless motorcycle finished second in the 1911 Senior TT race and was later disqualified for illegal refuelling. During an early morning practice session for the 1911 Isle of Man TT races, Victor Surridge died after crashing his Rudge motorcycle at Glen Helen , the first death of a competitor on the Snaefell Mountain Course and the first death in
385-475: A syndicate of boating enthusiasts with his brothers Herbert and Norman Scott and two others to finance the development of marine engine for motor boats. This included the invention of a pawl and ratchet starter was used which later became part of a patent application for a kickstarter on almost all motorcycles to follow. Alfred Scott's first motorcycle was developed from his own 2 horsepower (1.5 kW) twin-cylinder engine design which he hand built and fitted to
440-508: A weight limit of 3,500 kilograms (3.4 long tons; 3.9 short tons). When used for vehicular traffic, pedestrian access is prohibited, but at other times it is part of a system of nature trails . Between 1907 and 2023, there have been 156 fatalities during official practices or races on the Snaefell Mountain Course, and 269 total fatalities (this number includes the riders killed during the Manx Grand Prix, and Clubman TT race series of
495-539: Is a "clutch start" and race competitors will be "started singly at 10-second intervals". Entrants must be in possession of a valid National Entrants or FIM Sponsors Licence for Road Racing. Entrants must also cite pre-filled documentation of completion of a UK driving licence or motorcycle certification, or a driver's licence from a comparable country that is recognised by UK comparable department of transportation standards and may withhold due to any pre race or post race suspensions. The 2015 specification for entries into
550-528: The 1926 event the Sidecar and Ultra-Lightweight TT classes were dropped due to lack of entries. The Sidecar race was re-introduced from the 1954 event for Sidecars not exceeding 500 cc engine capacity, run on the Clypse Course . A non-championship 750 cc class for sidecars was introduced at the 1968 event . For the 1976 event the race was held over two-legs. From 1975, the previous 500 cc and 750 cc classes for Sidecars were replaced by
605-799: The COVID-19 pandemic . Motor racing began on the Isle of Man in 1904 with the Gordon Bennett Eliminating Trial, restricted to touring automobiles. As the Motor Car Act 1903 placed a speed restriction of 20 mph (32 km/h) on automobiles in the UK, Julian Orde, Secretary of the Automobile Car Club of Britain and Ireland approached the authorities in the Isle of Man for the permission to race automobiles on
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#1732787906103660-807: The FIM Motor-cycle Grand Prix World Championship (now MotoGP ) as the British round of the World Motor-Cycling Championship during the period 1949 – 1976 . Following safety concerns with the Snaefell Mountain Course and problems over inadequate "start-money" for competitors, there was a boycott of the Isle of Man TT races from the early 1970s by many of the leading competitors, motorcycle manufacturers and national motorcycle sporting federations. Beryl Swain became
715-675: The Isle of Man in May and June of most years since its inaugural race in 1907 . The event begins on the UK Spring Bank Holiday at the end of May and runs for thirteen days. It is often called one of the most dangerous racing events in the world as many competitors have died . The Isle of Man TT is run in a time-trial format on public roads closed to the public by an Act of Tynwald . The event consists of one week of practice and qualifying sessions followed by one week of racing. It
770-462: The Isle of Man of a person in an automotive accident. The 2015 specifications for entries into the Senior TT race are: The Clubman races with Lightweight, Junior and Senior classes were held for production motorcycles from 1947 until 1956 . A Senior 1000 cc class provided an opportunity for Vincent motorcycles . The riders were little-known, but as the stars were barred from entering
825-538: The Motor Sports Association , all refused to release the report as it was confidential and privately owned by the ACU. The ACU admitted liability for the accident, but instructed that any legal claim for compensation by Mercer must be filed in the Isle of Man. The ACU stated that Mercer was receiving financial assistance through its "extensive insurance arrangements". In 2019, it was reported that
880-475: The steering head of a bicycle. These engines were used to power equipment such as lathes and light machinery and Scott had been involved in the manufacture of 'Premier' pedal cycles. He developed this prototype into a motorcycle and six were produced under contract by friends with a car company called Jowett in Bradford. Scott patented an early form of caliper brakes in 1897 (Patent GB 1626 of 1897), designed
935-510: The 150 kg limit for the 650cc machines, but 2023 saw this changed and all bikes in the class now have a minimum weight of 150 kg. The 1923 TT was the first time the Sidecar TT race was run, over three laps (113 mi or 182 km) of the Mountain Course and was won by Freddie Dixon and passenger Walter Denny with a Douglas and special banking-sidecar at an average race speed of 53.15 mph (85.54 km/h). For
990-571: The 1905 Gordon Bennett Eliminating Trial it was decided to run an eliminating trial for motorcycles the day afterwards for a team to represent Great Britain in the International Motor-Cycle Cup Races. An accident at Ramsey Hairpin forced out one of the pre-race favourites, and the inability of the competitors to climb the steep Mountain Section of the course forced the organisers to use a 25-mile (40 km) section of
1045-520: The 2022 event, with classes for historic racing motorcycles integrated into the Manx Grand Prix. The TT is now promoted by the Isle of Man Government Department for Enterprise. There has been criticism of the event. In 2007, an incident during the Senior Race resulted in the deaths of a rider and two spectators. The resultant inquest made several recommendations and included several comments, such as: 'Senior Marshals may well have been elevated beyond
1100-662: The 600 cc Supersport class. The 2015 specifications for entries into the Supersport TT race are: Minimum Weight 161 kg The 2015 specifications for entries for the Superstock TT , an event for production based motorcycles racing with treaded road tyres, are based on the FIM Superstock Championship specifications, as follows: Minimum (Dry) Weight 170 kg Supertwin TT 2022 saw
1155-640: The First World War. It resumed in 1920. A 250cc Lightweight TT race was added to the Isle of Man TT programme in 1922, followed by a Sidecar TT race in 1923. There was no racing on the Isle of Man between 1940 and 1945 due to the Second World War . It recommenced with the Manx Grand Prix in 1946 and the Isle of Man TT in 1947, with a greatly expanded format that included the new Clubman's TT races. The Isle of Man TT became part of
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#17327879061031210-614: The Gordon Bennett Trial course. This ran from Douglas south to Castletown and then north to Ballacraine along the primary A3 road and returning to the start at the Quarterbridge in Douglas via Crosby and Glen Vine along the current Snaefell Mountain Course in the reverse direction. The 1905 International Motor-Cycle Cup Race for five laps (125 mi or 201 km) was won by J.S. Campbell (Ariel) despite
1265-632: The Manx Grand Prix ... the figure rises above 250". An account of the 2003 race by Sports Illustrated writer Franz Lidz called the TT "a test of nerves and speed that may be sports' most dangerous event." In 1976, the Isle of Man TT lost its world championship status; this was transferred to the United Kingdom by the FIM and run as the British Grand Prix for the 1977 season . The Isle of Man TT Races then became an integral part of
1320-602: The Post-TT Races from 1991, both held on the Billown Circuit . In 2013, the Isle of Man Classic TT was developed by the Isle of Man Department of Economic Development and the Auto-Cycle Union for historic racing motorcycles, and along with the Manx Grand Prix , it formed part of the 'Isle of Man Festival of Motorcycling' held in late August of each year. The Classic TT brand ceased operation prior to
1375-559: The Scott Company's own water-cooled 578 cc twin-cylinder two-stroke engine with drive transmitted through a three-speed gearbox to the offside rear wheel by shaft. There was no reverse gear. Braking could be dangerous at speed, as the two rear brakes were operated individually, the drive wheel by a hand lever, the balance wheel by a foot pedal. The vehicle was intended for military use, but orders failed to come, so he converted it to civilian use and announced it in 1916 as
1430-597: The Sociable, but production had to wait until 1921. About 200 were made before production stopped in 1924. Complete cars cost £273 in 1921, falling to £135 by 1924. Alfred Angas Scott Alfred Angas Scott (1875–1923) was a British motorcycle designer, inventor and founder of the Scott Motorcycle Company . A prolific inventor, he took out over 50 patents between 1897 and 1920, mostly concerning two-stroke engines and road vehicles. Scott
1485-588: The Superbike TT race are defined as: Minimum Weight 165 kg (364 lb). Other machines admitted at the discretion of the Organisers The 1911 Isle of Man TT was the first time the Junior TT race took place, open to 300 cc single-cylinder and 340 cc twin cylinder motorcycles, contested over five laps of the new 37.5-mile (60.4 km) Snaefell Mountain Course. The first event on
1540-492: The Superstock class replaced the previous 1000 cc and 600 cc Production TT classes that had been part of the race schedule since 1989. The TT Zero was a one lap race for electric bikes running from 2010 to 2019. It was announced that the race would take a two-year break after 2019, but it never came back on the schedule since. After the completion of a practice or race period, an official course vehicle displaying
1595-415: The accident the organisers changed their protocols, requiring that returning riders must be controlled by motorcycle-mounted travelling marshals to the front and rear. An independent inquiry into the circumstances was arranged by ACU Events, the event organisers. The Auto-Cycle Union , the Isle of Man Department for Enterprise, and the inquiry report author, lawyer Rob Jones, a former chief executive of
1650-544: The basis of modern two-stroke engines and features such as the first kick start, monoshock suspension, efficient radiators, rotary inlet valves, drip-feed lubricators and centrestands continue to this day. He formed The Scott Motorcycle Company in 1908. The motorcycles produced there were very successful in competitions, winning the fastest laps at the Isle of Man TT (Tourist Trophy race) from 1911 to 1914, with outright wins in 1912 and 1913. Scott's motorcycles were deemed to be 'too efficient' for racing against motorcycles of
1705-526: The class, it provided a stepping-stone for future-stars but resulted in less spectator-interest. The series became dominated by one model – the BSA Gold Star , and with little competition from other manufacturers, was discontinued. When previewing the impending re-introduction of a specification-controlled, roadster-based class in March 1967, David Dixon wrote: " lack of inter-make rivalry probably put
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1760-465: The driver of the car in the collision had quit after criticism that he exceeded a newly introduced speed limit recorded by a GPS tracking device when he drove to attend a fatality involving Chris Swallow at Ballaugh in August's Senior Classic TT. Gary Thompson, Clerk of the Course and an ACU employee, had been criticised in 2018 for also fulfilling the role of Safety Officer; consequently a new incumbent
1815-413: The dwindling support for the 500 cc race. A Production TT for roadster-based motorcycles having classes for maximum engine capacities of 250 cc, 500 cc and 750 cc was introduced from 1967 until 1976 when the class was discontinued. The Production TT was reintroduced for the 1984 races in three classes, reduced to two classes on safety grounds for the 1990 races. For the 2005 races
1870-588: The end of Mad Sunday. The first Isle of Man TT race was held on Tuesday 28 May 1907 and was named the International Auto-Cycle Tourist Trophy. The event was organised by the Auto-Cycle Club over 10 laps of the Isle of Man St John's Short Course of 15 miles 1,470 yards for road-legal 'touring' motorcycles with exhaust silencers, saddles, pedals and mudguards. From 1911, the Isle of Man TT transferred to
1925-490: The final nail in the coffin ". Writing in UK monthly magazine Motor Cyclist Illustrated , racing journalist Ray Knight, who had achieved a lap speed of nearly 88 mph on a Triumph Tiger 100 roadster -based racing motorcycle in the Manx Grand Prix , commented in early 1965 that the ACU had refused a request from manufacturers to run a production TT race, which he thought was a missed opportunity, particularly considering
1980-451: The first woman to compete in a TT race for solo motorcycles when she competed in the Isle of Man TT in 1962. There was subsequently a ban on women in the race from 1962 until Hilary Musson competed in 1978. The race is regarded as the most dangerous motorsport event in the world; The New York Times said in 2017 that the number of deaths had risen "to 146 since it was first run in 1907; if one includes fatal accidents occurring during
2035-600: The historic Douglas to Peel route, from the junction of the A5 New Castletown Road at the Quarter Bridge , passing under the course at Braddan Bridge , to an exit at Braddan School Road in Douglas outskirts, near the former Braddan Railway Halt and the A23 /Ballafletcher Road junction. The access road is a narrow, single-track width with passing places and is restricted to cars and light vans below
2090-485: The introduction of the supertwin race run over 3 laps on Wednesday the 8th of June, increased to 4 laps the following year. The class is very similar to the lightweight class which last ran in 2019, although with some differences. The maximum capacity has been increased to 700cc allowing the Yamaha YZF-R7 and Aprilia RS660 to compete. In 2022 bikes with capacities of 651cc+ were required to run 10 kg heavier than
2145-465: The island's public roads. The Highways (Light Locomotive) Act 1904 gave permission in the Isle of Man for the 52.15-mile (83.93 km) Highroads Course for the 1904 Gordon Bennett Eliminating Trial which was won by Clifford Earl (Napier) in 7 hours 26.5 minutes for five laps (255.5 mi or 411.2 km) of the Highroads Course . The 1905 Gordon Bennett Trial was held on 30 May 1905 and
2200-445: The late 1940s/1950s). In 2016, 5 riders died on the course during official practices or races. There were six fatalities among competitors in the 1970 and 2022 Isle of Man TTs, making them the two deadliest years in the history of the event. On 30 May 2018, an experienced TT rider, Steve Mercer, was seriously injured during a head-on collision with an official Course Car at Ballacrye . The car, being driven at high speed,
2255-530: The much longer Snaefell Mountain Course of 37.40 miles (60.19 km) (current length 37.73 miles (60.72 km)). Its elevation goes from near sea-level to 1,300 feet (400 m). The race programme developed from a single race with two classes for the 1907 Isle of Man TT, expanding in 1911 to two individual races for the 350cc Junior TT motor-cycles and the Blue Riband event the 500cc Senior TT race. The race did not take place from 1915 to 1919 due to
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2310-500: The new 37.5-mile (60.4 km) Snaefell Mountain Course. The new technical challenges of the Mountain Course forced changes on entrants and motorcycle manufacturers alike. The American Indian motorcycle factory fitted a two-speed gearbox and chain-drive. This proved to be the winning combination when Oliver Godfrey won the 1911 Senior TT race riding an Indian at an average speed of 47.63 mph (76.65 km/h). Fitted with
2365-543: The new course was the Junior TT Race contested by 35 entrants, won by Percy J. Evans riding a Humber motor-cycle at an average race speed of 41.45 mph (66.71 km/h). The 1912 event was the first to limit the Junior TT to only 350 cc machines and this engine capacity prevailed until 1976, after which the category was dropped. The event was instead run for 250 cc machines until 1994 when replaced by
2420-508: The new style TT Formula 1 , Formula 2 and Formula 3 World Championships between 1977 and 1990 to develop and maintain the international racing status of the Isle of Man TT races. The event was redeveloped by the Isle of Man Department of Tourism as the Isle of Man TT Festival from 1989 onwards. This included new racing events for the new Isle of Man TT Festival programme, including the Pre-TT Classic Races in 1989 followed by
2475-601: The notice Roads Open proceeds around the Mountain Course, passing each point opening the roads including side-access junctions to public use. On the Snaefell mountain road section from Ramsey to Douglas, the official vehicle displays the notice Roads Open One Way. Originally introduced in 1935, there are eight machines positioned around the course to provide a rapid response to any incidents. Selected riders have previous race experience and are first-aid trained, with machines carrying medical equipment that can assist in managing
2530-484: The offside in line with the rear wheel, creating a layout similar to a motorcycle and sidecar combination. The wooden bodywork was mounted on a tubular, triangular frame and the engine was Scott's own design, a 578 cc water-cooled, two-cylinder, two-stroke engine. The idea was not a success and production ended in 1925. Isle of Man TT Joey Dunlop 26 (1977–2000) The Isle of Man TT or Tourist Trophy races are an annual motorcycle racing event run on
2585-529: The same capacity, so their cubic capacity was multiplied by 1.32 for competitive purposes. Alfred Scott left the company in 1915 and after World War I formed the Scott Autocar Company in nearby Bradford to make a motorcycle/car hybrid called the Sociable . This was half sidecar and half a car 3-wheeler, originally designed for military use as a machine gun carrier, with a single front wheel on
2640-538: The sphere of their competence'. The coroner also noted that "I am more than aware of the fact that the witnesses from the Manx Motor Cycle Club and the marshals are all volunteers. They give their time freely and without paid reward. Having said that however, if it were suggested because they were volunteers there should be some allowance in the standards expected of them, then I regret I cannot agree." The 2020 and 2021 TT races were cancelled because of
2695-468: The supervision of a police officer. Several permanent pedestrian overbridges have been erected. These points include: The TT Access Road runs parallel to a section of the A1 Peel Road, which is part of the Snaefell Mountain Course , and operates during practice and race periods to enable vehicles to pass from inside of the race course to the outside. It runs along a section of former railway line on
2750-521: Was a gifted engineer and inventor and trained in engineering at shipbuilders Douglas & Grant in Kirkcaldy and worked at W. Sisson & Co Ltd in Gloucester , where he learnt to design and develop marine engines. Much of Scott's early experimental work was on the development of two-stroke marine engines which he would test by running them for long periods at full power on a water brake. He formed
2805-764: Was a keen potholer and the second president of the Gritstone club. In July 1923 Scott travelled back to Bradford in his open Scott Sociable wearing wet potholing clothes and contracted pneumonia from which he died. Born in Manningham , a mill town just north of Bradford in 1875, Alfred Scott's family moved to Scotland and he went to school at Melrose on the Scottish border near Selkirk . They later moved to Uttoxeter in Staffordshire where Alfred studied engineering and design at Abbotsholme School . He
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#17327879061032860-485: Was a tradition, perhaps started by racing competitors in the early 1920s, for spectators to tour the Snaefell Mountain Course on motorcycles during the Isle of Man TT on 'Mad Sunday', an informal and unofficial event held on the Sunday between Practice Week and Race Week. In 2022, race organizers announced that beginning in 2023, racing would take place on Sunday after practices to allow visitors to see more events, marking
2915-591: Was again won by Clifford Earl driving a Napier automobile in 6 hours and 6 minutes for six laps of the Highroads Course. This was followed in September 1905 with the first Isle of Man Tourist Trophy Race for racing automobiles, now known as the RAC Tourist Trophy and was won by John Napier (Arrol-Johnston) in 6 hours and 9 minutes at an average speed of 33.90 mph (54.56 km/h). For
2970-477: Was conveying police officers to officiate at the scene of a fatality involving Dan Kneen . Mercer was unconscious for five days and hospitalised for five months due to multiple injuries. He was one of seven riders who had been halted on the course and turned back by marshals, being instructed to proceed back to the TT Grandstand area in the reverse direction after the red flag stoppage . Immediately after
3025-428: Was in place for 2019. From 1915 to 1919, and 1940 to 1946, no TT events took place, due to the outbreak of World Wars I and II . Events continued from 1920 to 1939 and 1947 to 2000. Since TT 1947, the Isle of Man TT has only been cancelled three times: 2001, 2020 and 2021, all of which were due to viral outbreaks. The 2001 Isle of Man TT races were cancelled because of the outbreak of foot-and-mouth disease in
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