JVROOM
Member
Okay here's a question, still working on this project 66cc/head. Jaguar CDI, upgraded carb, expansion chamber, waiting for reed valve kit. Engine sprocket 10, wheel sprocket 44. Plugging it into the Calc chart shows 61.5 miles an hour at 3500 RPMs. No way that's going to happen, horsepower isn't there. With a 66 wheel sprocket, at 3500 RPMs Calc shows 41 mi./h, doubtful if that would even happen, don't want to go that fast anyway too dangerous.
So the question is with the typical 44 rear sprocket are these engines bogging down, in other words should they be spinning up a little faster, or to say that another way does anybody know what the ideal RPM range is for these typical Chinese engines.
Wondering if the RPM range is too low, and the engine is just bogging down and running at zero vacuum? Thanks for everyone's thoughts sincerely, John :-/
So the question is with the typical 44 rear sprocket are these engines bogging down, in other words should they be spinning up a little faster, or to say that another way does anybody know what the ideal RPM range is for these typical Chinese engines.
Wondering if the RPM range is too low, and the engine is just bogging down and running at zero vacuum? Thanks for everyone's thoughts sincerely, John :-/