Originally Posted by
the rc guy
Yes you will need to adjust a esc when running lihv .. most esc are not setup for lihv the smc 170 your going to run with melt down .its not made for a 2 cell lihv.. its a 1s or 2 cell lipo not a lihv 2 cell dont try it.. like castle said to you .use castle link and adjust voltage levels..
just because they sell lihv dont mean any esc will handle them..
Funny , SMC's website says the 170 can run on up to 3s. So I doubt .4 extra volts will hurt anything. His previous issue happened because of how hard it is to run stuff pegged at 90%. Literally a once in a life time thing that wouldn't have happened had he not been running a Castle esc set in "basher switch battery voltage" mode. The fact that it was in a sprint car where he probably runs nearly wide open continuously made the problem way worse.
I would still not run auto voltage detection, just on the off chance SMC did something similar with their auto detection. I doubt they would though because Castle is a bashing brand where they have to protect people from doing stupid things. In a race car you will not be switching between 2s and 3s, so it is better to pick a set cutoff voltage. I pick 7.0V because it protects batteries in case of a voltage mismatch.