“Ultra-Lightweight TT”的意思、由来-开放百科全书

词条

Ultra-Lightweight TT

释义

Engine Capacity
50cc Ultra-Lightweight TT Winners
Speed and Lap Records
Ultra-Lightweight TT Race Winners
Ultra-Lightweight TT Race Winners by Marque
See also
References

The Ultra-Lightweight TT is a motorcycle road race that takes place during the Isle of Man TT festival, an annual event at the end of May and beginning of June. Between 1951 and 1974 this race was part of the Grand Prix motorcycle racing season at world-level, representing the British round. The Ultra-Lightweight TT and the Lightweight TT races were both dropped from the 2005 Isle of Man TT race calendar due to lack of entries, but were later reinstated to the 2008 TT race schedule to be held on the {{convert|4.25| mi|km|abbr=on}} Billown Circuit.^[1]

Engine Capacity

The 1924 Isle of Man TT was the first race for Ultra-Lightweight motorcycles not exceeding 175 cc engine capacity, won by Jack Porter, on a New Imperial at an average speed of {{convert|51.21|mi/h|km/h|abbr=on}} for three laps of the Snaefell mountain course. The Ultra-Lightweight TT race was re-introduced for the 1951 Isle of Man TT race for motorcycles not exceeding 125 cc engine capacity until dropped from the TT race meeting in 1974. The Ultra-Lightweight race was re-introduced for the 1989 TT races, again for motorcycles not exceeding 125 cc engine capacity and was part of the TT Festival until 2004.

1924-1925 For motor-cycles not exceeding 175 cc engine capacity.
1951-1953 World Championship event for motorcycles not exceeding 125 cc engine capacity, held on the Snaefell mountain course.
1954-1959 World Championship event for motorcycles not exceeding 125 cc engine capacity, held on the Clypse Course.
1960-1974 World Championship event for motor-cycles not exceeding 125 cc engine capacity, held on the Mountain Course.
1989-2004 for motorcycles not exceeding 125 cc engine capacity, held on the Mountain Course.
2008 – present for motorcycles not exceeding 125 cc engine capacity, held on the Billown Circuit.
1962-1968 Additional World Championship event for motorcycles not exceeding 50 cc engine capacity, held on the Mountain Course.

50cc Ultra-Lightweight TT Winners

Year	Rider	Motorcycle	Average Speed
1962	West Germany}} Ernst Degner	Suzuki	75.12 mph
1963	Japan}} Mitsuo Itoh	Suzuki	78.81 mph
1964	New Zealand}} Hugh Anderson	Suzuki	80.64 mph
1965	Switzerland}} Luigi Taveri	Honda	79.66 mph
1966	Northern Ireland}} Ralph Bryans	Honda	85.66 mph
1967	UK}} Stuart Graham	Suzuki	82.89 mph
1968	Australia}} Barry Smith	Derbi	72.90 mph

Speed and Lap Records

The lap record for the Ultra-Lightweight TT is 19 minutes and 18.2 seconds^[2] at an average speed of {{convert|110.52|mi/h|km/h|abbr=on}} set by Chris Palmer during the 2004 Ultra-Lightweight 125 cc TT Race.

Ultra-Lightweight TT Race Winners

Rider	Wins
Joey Dunlop, Ian Lougher, Carlo Ubbiali	4
Robert Dunlop, Chris Palmer	3
Chas Mortimer, Phil Read, Tarquinio Provini*, Luigi Taveri	2
Hugh Anderson, M.Baldwin, Dieter Braun, Les Graham, Rupert Hollaus*, Wal Handley, C.Horton, Bill Ivy, Cromie McCandless, Mike Hailwood, Jack Porter, Tommy Robb, Cecil Sandford, Dave Simmonds	1

Indicates Ultra-Lightweight TT wins on the Clypse Course.

Ultra-Lightweight TT Race Winners by Marque

Marque	Wins
Honda	19
Yamaha	8
MV Agusta	7
Mondial, Suzuki	2
Kawasaki, New Imperial, NSU, Rex-Acme	1

References

1. ^Manx Independent pp44 dated 22 November 2007
2. ^2006 Official TT Race Guide

1 : Isle of Man TT

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