Speed of the Wind driver. During testing, the car appears to have run, although not competitively, at either Brooklands or Montlhery. Speed of the Wind was built for long-duration speed records, which were the domain of Ab Jenkins and the Bonneville salt flats of Utah. Jenkins was fond of competition and was instrumental in encouraging British teams to travel to Bonneville. In September 1935, shortly after Campbell's 300 mph record with Blue Bird, Eyston broke Jenkins' 24-hour record and raised it to For the 1936 season, Jenkins created the Mormon Meteor by fitting a Curtiss Conqueror V12 into his previous Duesenberg chassis. Eyston returned,
Triumph Speed Four and other minor concessions to its streetfighter style; the frame and fully adjustable suspension are race-ready. The engine is a 599 cc inline-four-cylinder engine, as used in the TT600. The bike has a top speed of and a time of 4.5 seconds. "Motorcyclist" tested the 2002 Speed Four's time at 11.65 seconds @ and time at 3.71 seconds. The Speed Four was voted No.1 for handling and suspension in "Ride" magazine's 2008 Rider Power Survey. The Triumph Daytona 675 was second in the same category. Triumph UK After Sales has confirmed that 4,606 Speed Fours were produced from 2002 through