Inspecting b box after failure, found straight cut prop gear missing 6 of the 57 teeth. All 19 crank gear teeth looked chewed on and spit out. The new c box has helical cut gears much heavier than...
Type: Posts; User: papajack
Inspecting b box after failure, found straight cut prop gear missing 6 of the 57 teeth. All 19 crank gear teeth looked chewed on and spit out. The new c box has helical cut gears much heavier than...
Well, I learned that a b box 3:1 will not stay together on a 583 swinging a 70" whirlwind prop. Had to go with a c box 2.62:1 and adding a clutch this month. We will see how this holds up...
Finally got this swap complete. Ended up having Rotax Rick in Naples do the final stuff to bring this motor to life. Ended up with 65-70 hp and a 3:1 gearbox with twin Bing carbs swinging a 70" 2...
I have decided to swap out the engine on one of my minis. Both currently are running Briggs 35 hp with 1.7:1 reductions. Scott Holland and John O'Neill are putting together Rotax packages with gear...