David Munday wrote:

On Sun, 14 Feb 1999 22:56:20 -0800, you wrote:

David Munday wrote:

Loading up the car, I understand.  What I was asking is how you would
instrument the thing to reveal the inadequacy of the stock turbo once
you get the Hp up to 200 Hp or so and keep it there for a while.
Where would you take the temps and pressures?

As Paul Yaw just pointed out monitor the turbine RPM and
keep checking for cracks. It is a question of durabilty.

Needless to say the turbo system  was never engineered to
generate that amount of HP on a continuous basis. The engine
revs up and the transmission shifts everything is over
in less than ten seconds on an acceleration run.

I expect you may well be right, but while opinion educated by
experience is great, detailed analysis often better, and actual
testing beats both.  I hope to do some of the testing.

The only thing that makes me think that the stock turbo may work is
that Tracy may be getting 180 Hp out of a basically stock engine and
I'd be happy with a 11% increase over that number and the capacity to
normalize.  That sounds fairly modest, at least at first glance.

I don't plan to mount this thing in an airplane for years, so I have
time to experiment and learn.  I have another plane to finish first.

--
David Munday  -  mundayde@muohio.noise.edu
My email address is not noisy.
Webpage: http://www.nku.edu/~munday
PP-ASEL  -  Tandem Flybaby Builder  -  EAA-284 (Waynesville, OH)
"Adopt, Adapt, and Improve" -- Motto of the Round Table

 
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