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Belt CP maintenance blog

Posted 06-10-2009 at 01:51 AM by nasukaren

I took the 11T off the Belt CP and put it on the HDX, so here's the new headspeed adjustment. This is using the HDX 450 motor from HeliDirect.

Old:
3550 kV * 11T / 140 T * 11V = 3000 rpm

New 13T?
3550 kV * 13T / 140T * 11V = 3600 rpm


Hmmmm... is this right? I think I might need to use the 10T.... since I don't think I ever saw 3000 rpm from the Belt, so the motor must have been bogging.

New 10T + HDX 3550 kV motor:
3550 kV * 10T / 140T * 11V = 2800 rpm


Maybe I'll take the DealExtreme HB2835-H 3800K motor from the old Tarbo and put it into the Belt with a 10T pinion.

10T + DX 3800 kV motor:
3800 kV * 10T / 140T * 11V = 2985 rpm



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