Quote:
Originally Posted by mk351e
ooooooooooohh. OK. SO, let's say I gear for 60mph with a 1515 neu. I run on a parking lot wot most of the time, and all is well. THEN, I leave everything except the wheels alone, I go to a track, and I'm not running wot, but on and off for a smallish track. Am I asking for problems here??
PS - thanx for all your help lincpimp, and thanks for helping me find those pinions. Do you know what grade of steel is strongest there?
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By pinions you mean the 8mm ones on spi huh? The only real choice is the carbon steel ISO8 , as the commercial quality do not have a hub. These are still not hardened so you will want to use them with a plastic spur. If you want to use a metal spur, the hardened gears that mike sells are the only option that will last.
Not sure if a 1515 will get that truck to 60 without getting hot. Someone with more experience than I will have to advise you on that. I would just gear the truck down to track/offroad speeds. Your runtime will be better and everything will run cooler that way. Plus you will have more throttle control.