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Old 02-12-2014, 07:55 PM   #1
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Default HPI Sprint 2 Flux problem

New to this forum .... I have a Sprint 2 Flux that I am having some problems with it is fully custom from carbon to aluminum parts. It has the WRAP 5700kv motor and MOITV ESC. When I put the car on a stand everything works like it should, but when I put the car on the ground and give it throttle its like the car has no traction and cant get going more than maybe 10-15 mph this is with the trigger on the transmitter at half to 3/4 throttle. Its like its revving way up and barely moving. Car rolls free and nothing is binding

I have MIP CVDs, aluminum parts, carbon upper and lower chassis,

wheels are HPI split 6 wheels with X pattern tires.

spektrum transmitter DX2 and spektrum SR201 receiver.

any help

thanks John.
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Old 02-17-2014, 08:13 AM   #2
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Are the wheels spinning or is it just revving? Check the mesh of your pinion to spur. Make sure your pinion is secured and use threadlock (blue) on the setscrew.
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Old 02-17-2014, 08:32 AM   #3
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Ck you battery w/voltmeter. Lipo should read minimum 6v. 5.5v a cell is bad. NiMh's should read 7.4 if lower, cell is bad. either way, you have to purchase new battery pack. May have to recalibrate your ESC to TX.
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