question for MrFellows

[pcw]

one small question. on your pneumatic slave valve design, whats the profile of the cam for the poppet valve? like normal 4stroke cam or opens it longer?
ty,
Pascal

 

[cfellows]

The profile is similar to a regular internal combustion cam. However, the lobe should be as sharp as practical. You want to open the valve and close it as quickly as possible. You want to start to open the valve at or shortly after top dead center. The valve should be completely closed well before bottom dead center. The lift should be enough to open the valve at least 1/16" or more.

Let me know if you need more info.

Chuck

 

[pcw]

ty, that will do for now. playing with a design in my head. i will post some drawings when i worked some stuff out.
Pascal