Paul this is probably the 6th time you have sent me this report over the
last 1 1/2  years.  What gives?  Do you expect me to actually read this
stuff?:)  Actually there is a lot of good info. there and when balanced by
the other earlier report it has even more meaning.

Attached is my 'condensed' turbo compounding report.  Please edit it for
technical correctness and grammar.


Guess what I figured out?


 If there was a clamping force applied to three areas of the ROTREX annulus
ring where the rollers are not positioned,  the internal roller set should
slid right on out.  I bet that is how they do it.  Special tool my butt.. It
is called a lathe chuck:)

Doug



Thanks for the turbo compound report. I'll load it into Open Office,
export it as html and up load it to the ACRE web site for all to
read.

Sorry about sending the NACA TC report too many times. I thought it
very concise and to the point.

Hey great discovery, idea or whatever on getting the traction drive ring off.
I am going to use that idea to assemble mine. That is another break through.
This is really coming together.

I discovered a new NASA tech paper server I did not know about before.
I spent the day downloading and reading a dozen or more NASA  5 meg average
papers on the rotary. I found one that is supposed to be a computer simulation
of a rotary turbo compound. So far I think it is garbage in garbage out.
The mere fact that the rotary shows consistently higher volumetric efficiencies
than any piston engine should make it far better at turbo compounding.
Particualy the p-port version. A configuration none of the NASA contractors
have built so far. I don't think the programmer took that into consideration.

Back pressure on the exhaust should not affect the TC rotary any more than
it would affect a TC piston engine. Valve overlap is valve overlap.
More back pressure on a turbo charger more boost pressure. 800 HP out
of a 160 cubic inch engine proves that. Beside that it was a simulation
of a moving target. The simulation was done in 1991 and here it is 15 years
later and the rotary is vastly improved. You want no valve overlap you
got it in the RX8 engine.

Also altitude has a strong positive effect on the turbo compound
engine as back pressure on the turbine is going down. Another thing that
acts like a catalyst is a ram air scoop for the air going into the turbo
charger. I think Dave Leonard mentioned that.

One other thing that some of these papers mentioned was the BSFC gets better
on the rotary with a turbo charger. Makes sense as there is more heat and HP in
the same size combustion chamber so the percentage of heat lost to the coolant
becomes less. Kind of like a reverse scale effect.

There was one 25 meg paper by RPI where they were discovering problems Mazda
knew about years earlier and had already solved. The thing that brought
RPI to their knees was trouble with the phasing gears. Mazda solved that
problem by the simple expedient of going to 12 roll pins from 9.
Talk about reinventing the wheel. These dorks should start by reading
what Mazda has done. As I said on here over and over again anybody building
a rotary and not copying Mazda exactly are in for some nasty surprises.

Paul Lamar ...No rotor no motor.

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