O.S. FS Surpass 1.20 pumped engines

R

red max

New member
I recently purchased an O.S. FS Surpass 1.20 engine. It is an older engine. I have been trying to find a site somewhere on the net to download a manual for this engine, with no success. Also I would like to hear from anyone who has any experience with this engine. The pump in mounted on the back plate of the engine, I think the carb is number 11. The pump has an input, output to carb, and a return, which I thinks goes to the pressure fitting on the tank. I plan on mounting this engine o n a Twist 150.
 
Have you tried the OS company to see if they have a manual, I'm sure they would have, or try your LHSD im also sure they can help you also good luck ;)
 
This would be a better place to ask that question. They are about all aspects of rc flying, not just RF.
 
I have several planes with these engines including this guy

image003%20%282%29_jr8.jpg


Which may be found on the swap pages here: Click me!

The plane is modeled with the O.S. 120 pumped.

Manuals can be downloaded from the O.S. web page.

BTW: Since this is a pumped engine, there is NO use of a pressure fitting to the muffler. Read the manual.
 
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