Hi Folks,
I am currently designing a 125cc powered streamliner. Like most streamliners we will require help getting started due to the tall gearing especially with the tiny clutch of a 125cc two stroke motor and the serious lack of torque; As we know the rules allow for a push start and this is a simple method of dealing with the tall gearing problem but it seems a bit clumsy. Many have pulled this off no problem so maybe its the way to go. Another option is an additional transmission acting as an under drive turning your 6 speed transmission into a seven speed. Much like Sam Wheeler's effort for example, but this is my least favorite solution as it involves too much money but his solution is all class.
-A third option came to mind and herein lies my question; can we run a small electric motor that engages the chain and propels the bike for the first .25 of a mile? (This is the distance stipulated in section 2. R. in the AMA rules) The motor would disengage automatically at its peak RPM which correlates to 40mph or so and happens within the first .25 of a mile.
Thoughts?
Cheers,
Scott