| 词条 | Velocette MSS |
| 释义 |
|name = Velocette MSS |image = |aka = |manufacturer = Velocette |parent_company = |production = 1935–68 |predecessor = |successor = Venom |class = |engine = 495cc, OHV air-cooled single | bore_stroke = 1935-1939 {{convert|81.0|x|96|mm|abbr=on}} 1954 onwards 86 mm x 86 mm |top_speed = {{Convert|80|mph|abbr=on}}{{Citation needed|date=May 2011}} |power = {{Convert|23|bhp|abbr=on}} @ 5000rpm{{Citation needed|date=May 2011}} |torque = |transmission = Four-speed, chain final drive |suspension = |brakes = Drum |tires = |rake_trail = |wheelbase = |length = |width = |height = |seat_height = |dry_weight = {{Convert|375|lb|kg}} |wet_weight = |fuel_capacity = 2.5 gallons |oil_capacity = |fuel_consumption = |turning_radius = |climbing_ability = |related = |similar = }} The Velocette MSS is a motorcycle made by Velocette. It was fast, reliable and economical but could not compete against a new range of British twin-cylinder motorcycles. Production ended in 1968.[1] DevelopmentIt was launched in 1935 as a 500cc to the new m series models, intended as a side car hauler. World War II halted production which did not resume until 1954. The new MSS was a much more modern machine with the same frame as the Velocette MAC and was fitted with sidecar lugs and had optional panniers to appeal to the touring market. Buyers started tuning the MSS for speed, however, and the factory responded by producing the sports Velocette Venom model. In 1955 a scrambles version was also produced.[1] Racing historyBurt Munro from New Zealand, featured in the film The World's Fastest Indian raced a heavily modified 1936 Velocette MSS. Racing preparation included making special pistons, changing the frame and increasing engine capacity to 650 cc. His top speed record on this motorcycle was {{convert|138|mph|abbr=on}} with a 1/4 mile time of 12.31 seconds.[2]References1. ^1 {{cite book|last=Kemp|first=Andrew|author2=De Cet |others=Mirco|title=Classic British Bikes|publisher=Bookmart Ltd|date=2004|isbn=978-1-86147-136-9}} 2. ^{{cite web|url=http://thevintagent.blogspot.com/2008/04/worlds-fastest-velocette.html|title=World's fastest Velocette?|accessdate=2008-12-06}} 1 : Velocette motorcycles |
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