ORIGINAL: f3a05
I have tested my 12T and I have 'cogging' issues at high RPM, first was the DS 90A ESC, the factory then tells me they have problems with the software. They gave me store credit. I did try with a HiModel 90A HV but she blew up, the sparks were nice. I am sure with a 20x10 I was only pulling 60A. Anyone know why the cogging at high RPM? Wrong timing setting or ...
I'm using the DS 11T, and had similar problems with a fairly cheap ESC blowing up.
Now using the Castle Creations 85 HV and it's fine, in spite of frightening over-spec current draw in ground running(So that's kept very brief!)
With the CC 85 HV, that "cogging" you describe went away, with my set-up,by going to the low timing option-which is Castle's advice when using outrunners, and opposite to all the other advice I'd been given.....
The rest of my set-up is FP F3A 5350 lipos,and APC 20.5 X 14-approx 6000rpm WOT,
hauling an11lb Integral about.
I haven't logged the number of flights, but earlier on this year we calculated that on fuel cost comparisons, if three packs would get through a season of FAI class comps and practice, this would be slightly cheaper than the same flights on 30% nitro YS fuel.
So far I've done 5 comps, and,just by watching the flight performance, and seeing how much goes back into the packs(around 3500-3700 mah per 8 minutes),the packs should do the year without problems.