I have a 'stash' of engines from which to choose. Without looking at the plans, it's hard to decide; perhaps an OS35FP or an LA 40 or 46. What do you have on yours (the one with the IC engine)?
Best regards
Brew
Hey Brew,
Mine was powered with a number of different engines, Brodak 40 (ran well but was a little weak), LA 40 (ran pretty good but still weak), HP 40 Gold Case (outstanding), LA 46 (almost as good as the HP GC). The props I liked the best were the 10" X 4" three blades Grish Black Magic. Lines were .018 62" from the handle to the center of the model. Lap times 5.1 to 5.3 were the best.
Later,
Mikey