I just stumbled across this planetary PSRU on
www.barnstormers.com, I case your looking.

Erik

By the way, I am NOT the seller.

-------------------------------------------------------
RD-1C 2.85 PSRU (LH ROT) • $2,500 • AVAILABLE FOR SALE
• new, but never run. handles 400+hp, fits mazda 13B &
20B engines. lost med. send for pics • Contact Kevin
Lane -  located Portland, OR USA • Telephone: 503 233
1818 • Posted September 5, 2005
-------------------------------------------------------

Tracy's site says the RD-1C is good to 300hp..

http://www.rotaryaviation.com/RD-1C.htm

Has that number been updated (upgraded) elsewhere?


Matt-

Should have no problem with that much HP. The Ford A4OD six pinion
gear set is used behind the Ford F250 Power Stroke V8 turbo diesel
with 600 foot pounds of torque. Max torque on a 3 rotor side intake
port engine  is about 240 foot pounds. However that is assuming
you keep the oil cool.

BTW the torque out of the prop end in case anybody still thinks
airplanes fly on torque is 685 foot pounds.


HP = T x RPM / 5252  therefor HP x 5252 / RPM = input torque

400 HP at 8000 RPM would then be only 263 foot pounds input torque.
400 HP at 7000 RPM would be 300 foot pounds in case you are turbo charged.

I know you know this Matt. It is for some of our new subscribers.

Paul Lamar


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