Originally Posted by
Flight Risk
The OS FS 61 runs fine without pressure, evidently the carb venturi is small enough that it creates good draw. And I think they sound cool unmuffled. If you like a muffler, those from an FS 40,48 will fit. maybe up to a 70.
This Sr. twin had two FS 61's with straight pipes. One of the engines is now in the Sport.
http://www.rcuniverse.com/gallery/ga...mberId%3D22126
Thanks for your reply.
If my .91 is too much, or I feel the need to transfer it to another model, I can now feel confident that the FS .61 will do the job, and keep my Kadet in the air.