Crosspostedf rom the Delta Tripper thread, regarding the Fusin wheel:
texaspyro wrote:How many SPERM (spokes per mile) does this thing get?
Actually, I have yet to break a spoke or wheel on this thing. [ed: regarding the Delta Tripper as a whole, not the Fusin wheel] Mostly I think it's because it's not yet constructed in a way that allows a load as heavy as I have put on CrazyBike2, and because it has two rear wheels to distribute what loads I have put on it.
There *is* more impact strain on the wheels because the frame doesnt' flex like CB2s' (being much shorter than CB2), and there is way wya more sideloading on the wheels, so I am surprised that nothing's broken yet.
I *have* broken off the *entire* wheel and part of the frame, but that wasnt' loading, but instead motor torque at the axle combined with insufficient nut tightness and too thin a dropout/frame, and only torque washers rather than arms. The fix of more than tripling (probably quadrupling) the original frame thickess where it ripped the axle thru the dropout has so far worked fine, along with wrenches for torque arms. It's survived 377 miles since then without issue (but it was about 461 miles to break off in the first place...).
Total mileage now is 838 miles, and after my work commute today will be 843 on the trike, and about 1350 miles on the Fusin motor wheel itself, which hasn't broken any more spokes since tensioning them all as properly as I could (which they weren't from the factory).
I think I mentioned the almost-small-orange-sized rock I hit with the Fusin wheel, which didn't apparently damage anything, though I expected the wheel to come apart from it.