RE: 1/4 scale sig cub engine ?
A .91FS! Drat! Am I going to be WAAAAAAYYYYYYYYY overpowered! I have a Saito 1.50 that I am currently fitting to the nose of my BUSA 1/4 Cub. I do plan on spinning a scale 18" prop. Mine might come in heavier as I am adding scale gear and an interior plus pull-pull on all the surfaces. Even still I think I have too much engine. I was thinking about starting my competition career with this plane. Sounds like I would be better off with a 1.20 since mine will spend a fair amount of time on floats. I am just not sure a .91Fs would pull a 14lb Cub + floats off the water very well.
Since I am very much interested in scale flight I think I need to reconsider engines. What do you think? For a competition Cub that will be on floats ditch the 1.50 for a Saito 1.20 or a Saito 1.00?
There is also a used OS FT-160 at my LHS. Has the stock carb replaced with a dual needle carb, on-board glow etc for $369! The engine was originally bought from the same shop and has had two owners. Both take excellent care of their gear. Probably too much engine but it sure is tempting!!
Doug