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Single Cylinder 4 Stroke

a 4.3cc 17mm bore 19mm stroke engine

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not done it yet05/03/2021 17:37:12
5790 forum posts
20 photos

Looks good, so far.

I’m wondering about lubrication as you appear to be using sealed bearings.

Also, how fast do you expect it to rev? Presumably not very fast as I suspect an atmospheric valve will be a limiting factor?

JasonB06/03/2021 10:01:48
20289 forum posts
2218 photos
1 articles

Should be good for at least 3000rpm, Engines I have made with atmospheric inlet have given performance figures for those sort of revs

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