No Runtime!!!

[MTBikerTim]

I would thoroughly check everything. Your car sounds like it has an issue. Check that the car rolls freely without the motor and check the esc settings. I would have thought a 7xl on 4s would fly.

cutoff voltage set at 12 volts. Buggy was checked at the time of lock up and there are no rocks...any where .The motor is very rough to turn if you can turn it at all you can feel it grinding. Drivetrain is very free nothing in the way. It only ran two minutes is because the motor locked up.

[suicideneil]

Grinding motor? sounds like a busted bearing or magnet...

[Cain]

I agree on the Neu 2.5D, or, a 2D if you want alittle more pop. 1.5D is like overkill.

As for voltage cutoff, I have been advised by a variety of people and the distributor of the battery I am using that for best life and performance (Enerland cells being used), a cutoff of 3.2V - 3.3V per cell should be used. You may want to configure your cutoff accordingly.

thanks, when I get a new motor I will reconfigure my esc.

[BrianG]

Originally Posted by Cain

...a cutoff of 3.2V - 3.3V per cell should be used. You may want to configure your cutoff accordingly.

Just be aware you might get false LVC triggers depending on the battery being used. This depends on how fast a particular LVC responds to a dip in voltage. On takeoff, the battery voltage spikes down (because current spikes up) and may dip below 3.3v pretty easily. I usually set my LVC to 3.1v give or take - good balance between cell safety and reduced LVC sensitivity.