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Old 05-25-2014, 01:50 AM
Mitchg95 Mitchg95 is offline
Motorized Bicycle Member
Join Date: May 2014
Location: Lakewood Colorado
Posts: 43
Default Re: Making a custom bike engine

Thanks for the measurement Theon
I got home this afternoon and discovered what bob Ross would describe as a happy little accident. The package arrived, and upon opening it I found the company I ordered from also completed the complete head and piston assembly. I had only ordered the rod and cylinder!
Got some more designing done. This is not the final drawing as there are still some changes I want to make to the part, but here is a crank disk. There will be nine of them total

How would I go about calculating the 1.3:1 ratio that was described for the crankcase volume?
I'm still thinking about have this case with reeds instead of the carb being hooked up to the cylinder
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