Paul,

For those who have no desire for high altitude performance wouldn't
a turbo drive to traction drive without the supercharger be much
less complex and easier to manage? I have not been paying adequate
attention to this thread even though the idea is certainly intriguing.
Would the power gain in such a simple? configuration be worth it?

Another question, why not a coil spring coupling to the traction
drive to accommodate misalignments?

Fred O.

Sure. It would work of course. The only thing you would lose is the
compressor.
You still need the turbine. Why bother? Why not have more power at
high
altitude? Even if you never get over  7000 feet you would still get a
benefit from the compressor. You would have to make something to take
the place of the compressor housing if you used a stock turbo charger
for the turbine section.

Sure a coil spring coupling would work. The torque is only about
2 foot pounds or 24 inch pounds.

Paul Lamar ...No rotor no motor.

Hello everyone, As I've been following this design process with bait on
my breath,  I personally don't have the smarts to pull this off,  but
I'm one of those fellows hoping it is better then anyone could imagine.
I've had the same question that Fred did about not having the Compressor
installed.  Normally aspirated with the TC unit.  I've not purchased my
rotors yet and have been vacillating on the 89 high compression or the
89 turbo type.  I don't have the turbo experience and subsequently am a
little apprehensive about taking this on.  However I really like the
prospect of milking extra horse power out of the exhaust stream.  So
based on your comment "why bother".  Should I not worry about the
possibility?  move forward with the 89' high compression rotors?  But I
guess if I did add the TC unit and a Turbine the high compression rotors
would not matter anyway.  So maybe I've just answered my own question.
Go with the 89 high compression rotors and when available add the
turbine and TC unit later.  Comments   T.W.

Well if you go with the high compression rotors you could and should
limit the boost to 5 psi or less at sea level.