Castle 2650 Motor on 6s Lipo

[Chadworkz]

I think it all comes down to weight and wheel/tire setup...

A CC/Neu 2650kV motor will most likely handle 6s for a good while in a 1/8 buggy, because it is very light and has small, light wheels & tires.

Same motor in a 1/8 Truggy, or especially a 1/10 or 1/8 Monster Truck, and I bet it wouldn't last very long at all on 6s, because of the weight of the truck and the size & weight of the wheel & tire combo!

That is just my $0.02, though...

[fastbaja5b]

Ok cool, my intention is to put a 2650 in my RC8Be for speed runs on 5s Lipo (don't want to do 6s as it's a bit close to the caps rating when dealing with ripple voltage, I'd rather drop battery life a little and have more headroom for surges etc)

At the moment the car has a MMP and 2200kv motor on 4s Lipo and is great, however I don't think the MMP will handle either the 2200 or 2650kv on 5s Lipo hence the need to change ESC as well.

Obviously a 2650 in a MT on 5/6s is just asking for trouble IMO

[nuz69]

I don't see the interest to use the 2650Kv with 6S when you can use the 2200Kv with 6S... With a bigger pignon, the 2200Kv will provide the same speed at a better efficiency and with less amp spikes in the ESC and the battery....
What's the matter ? You can't find a pinion big enough to do the job with the 2200Kv ?