tim tracey wrote:

 Truth be told, I am having trouble screwing

up the courage to cut those great big holes in my
rotor housings.

Aw, Ken, just cut your own housings! Like the Scot's
say, if you are going to pick up a sword, wield a Claymore!

Monty Roberts wrote:

In order to prevent such a disaster myself, I went out and bought some junk
housings to practice on. I am going to build a setup in my NC mill to do the
cutting, and proof the program on the junk housings. That way I won't be
quite as nervous when cutting the good expensive parts (If I decide to go
with the peripheral port design that is)

Someone said something about using both peripheral and side ports in
conjunction. I would be worried about the area of the ports getting too
large. This will kill your air velocity and your low end. You can't have
dynamic ram effect with no dynamic. The pumping losses would be reduced
though. Might work well on a turbo motor.

Monty

Have you see the size of the Leman 4 rotor ports Monty?
We don't need no stinking low end :-)

Paul Lamar
 
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