This is from a booklet titled Automotive Composites 2nd edition
published by High Performance Composites magazine which
I have a subscription to.

This is very similar to what we are trying to do with
a carbon composite bell housings and motor mount combo.
The wall thicknesses are also similar to what I suggested
for the bell housings.

Note the 30 to 35 gear box consumption in a season
comment. So typical of professional car racing.

Paul Lamar ...No rotor no motor.

Paul

I think we should have dave just design the entire thing including
the redrive housing and just use the guts out of Tracy's psru.

Tony

Have you talked to him about this?
Have you any idea what Honda spent on developing
this gear box? My guess is well over $100,000
so far. Maybe a lot more.

Designing a composite gear box running
at temperatures over 200 F is not easy by any stretch
of the imagination. The Honda design is still evolving.
I am sure Honda has the gear box extensively instrumented
with thermocouples or thermistors to map the temperature
in different critical areas. Needless to say a gear box failure in
a airplane is way worse than a gear box failure in a car.

A bell housing by comparison is quite simple with rather
simple loads.

From reading what Dave has written on the Internet
and his web site it does not sound like Dave is an engineer.
I get the impression that Dave fabricates stuff
designed by racing car engineers.

Paul Lamar ...No rotor no motor.

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