Donald Sherman wrote:

You guys are a bunch of experimenters.  The FAA has the sense to let you
kill only yourself playing in the sky.  But no one is about to turn this
into a legitimate business.  The risk/reward equation doesn't balance.  Let
me know when people pay for your newsletter.  Then I'll be convinced
there's some hope for rotaries as a viable business proposition.  DS

The manufacturing and certification will eventually come after
the EAA guys show that it can be done. The same thing happened
with the certified Lancair Columbia and Sirus after EAA guys
proved composite construction worked in airplanes and was
better.

I think we are a little more than that.

Take our guy Jeff Spitzer for example. He was project engineer
on the Moller rotary engine. Currently he is in charge of the
mechanical parts including the engine on the GAT aircraft
division on the Predator high altitude UAV.

Bill Freeman works for Allied Signal doing FEA on just about
anything you can do FEA on. We have mostly engineers on here.
The level of discussion is very high.  I like & keep it like
that.

We have several engineers from Wankel Germany including Eurgen
Box himself. Current owner of all rights.. whatever are left.


Inspection of Tracy's Crook's apex seals through the exhaust
port shows they are in perfect condition after having 80,000
miles in a car and 800 hours in the air. The big difference is..
two cycle oil has been mixed with the fuel. I don't know how
much you know about two cycle oil but I will say it is far more
suited to cooling and lubing the apex seals then the engine
system oil. Tracy himself is a very talented engineer.

We are now working on high temp apex seal springs along with
silicon nitride ceramic (the same stuff they make ball bearings
out of now-a-days) to make the engine even more idiot proof. BTW
Jim is using Ianette silicon nitride ceramic apex seals.

The deflection Jim mentioned on the three rotor shaft has very
little significance. The over hung and unsupported shaft is very
long in that area so the angle of the shaft is amplified. If you
could put a dial indicator on there of course you will get a lot
of run-out at high RPM. Nothing is infinetly stiff. Everything
deflects.

Paul Lamar
 
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