Performance tuning
Guernsey Sprint 1993
In 2003 I ran my cast iron barrel in the sprint frame on Methanol. Not much to write home about, the first run saw the exhaust port eat most of the piston. At the next meeting before I could have a run someone in a 6.3 chevvy on nitromethane crashed into the Vazon car park at over 140 mph which ended the meeting.
New motor:Under development The next motor is based around a TS. The stroke is 64mm with a 120mm Rotax rod. To achieve this the cases needed a considerable amount of welding and machining to ensure that the crank fitted but also retained stength as a very deep channel is needed in the cases for the conrod to have clearance. Additionally the cylinder needs to be 11mm longer than standard, using a Wiseco Suzuki TS250 piston. Read more here...
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Performance tuning
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