Philip's six cycle engine

[Lodalodge]

I am nearing completion of Philip Duclos's six cycle engine and on my engine the cam roller does not remain in constant contact with the cam. The roller only hits the part of the cam when it is rotating. Is this as it should be?

 

[minh-thanh]

on my engine the cam roller does not remain in constant contact with the cam.

That's normal - including with big engines

 

[minh-thanh]

That's normal - including with big engines

To be a little clearer, normally they will not be in constant contact with each other, but the gap between them can also affect the valve opening and closing time, but if you follow the size of plan it will be fine. .