The holes should be bent so that the aft side is in and the outside,
forward, is bent out, Virg

Yvon Cournoyer wrote:

That is unclear to me. A simple drawing would be nice.
Yvon.

Yvon,

    Perhaps this  drawing would help.   The effect can be created by
sticking a steel rod in the hole toward the front of the tube and working it
back and forth longitudinally to force the rear edge of the hole into the
tube and the front edge of the hole outward.  The distorted hole would then
be better able to "catch" the exhaust gas and direct it through the hole to
the outside of the tube.

Ed Anderson

 
The AirCraft Rotary Engine NewsLetter.              Powered by Linux.

http://home.earthlink.net/~rotaryeng/            http://www.linux.org