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Hi Bob,
You will get a little more power with the 9.7:1 rotors. Back in 89
when they put them in, Mazda upped the hp rating from 146 to 160 for
the car engine. ref: Mazda RX-7 on Wikipedia,
http://en.wikipedia.org/wiki/Mazda_RX-7
Bob W.
On Sun, 3 Feb 2008 13:44:13 -0800
"bob.kaufmann" <bob.kaufmann@cox.net> wrote:
Gang
I have a 20B that I have taken the turbos off and will be using it in an
aircraft, a RV-10. A friend of mine said that I should use the 9.7
compression rotors instead of the turbo rotors. What say you all? I have pulled the engine off to powder coat the engine mount and if I'm
going to switch rotors, now is the time before I hang the engine again. I
have the flat plate on milling machine so I could make plates for the 20B if
people wanted. I think I would be competitive. I would like to do them in
groups of ten if people are interested. Bob K Finished except all the parts aren't together yet.
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N93BD - Rotary Powered BD-4 - http://www.bob-white.com
3.8 Hours Total Time and holding
Cables for your rotary installation - http://roblinstores.com/cables/
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