Search found 4 matches

by hat_tr1ck
May 14 2019 7:32pm
Forum: Large EV General Discussion
Topic: Help troubleshooting motor controller fire
Replies: 7
Views: 2231

Re: Help troubleshooting motor controller fire

Something appears to be wrong with the phase wiring as I state on my post just based on resistance to ground being all over the place. Don't have another ESC in hand to try running the motor again. Are there any tests that I could do without powering it? Quick visual inspection of the window looks O...
by hat_tr1ck
May 14 2019 11:47am
Forum: Large EV General Discussion
Topic: Help troubleshooting motor controller fire
Replies: 7
Views: 2231

Re: Help troubleshooting motor controller fire

For context, we did run this motor-propeller combo before with no problem, so it's definitely not the load of the propeller. Plus we started slow and always kept small throttle increments. Also, the prop is super light (below 1kg). That being the cause sounds unlikely to me. We had a hall sensor but...
by hat_tr1ck
May 14 2019 10:41am
Forum: Large EV General Discussion
Topic: Help troubleshooting motor controller fire
Replies: 7
Views: 2231

Help troubleshooting motor controller fire

Few weeks back while running a 50KW BLDC purchased off Alibaba with a custom 80kV winding by Dongguan Freerchobby Model Co., the Flier ESC F-120V-500A-A caught on fire after the motor starting up (jerky). Here is a video of the setup, the motor acting before the incident, the incident itself, and th...
by hat_tr1ck
May 07 2019 8:01pm
Forum: Motor Technology
Topic: Fliermodel ESC 22S 500A 25kW - Photos and Test Results
Replies: 9
Views: 4036

Re: Fliermodel ESC 22S 500A 25kW - Photos and Test Results

Did you end up testing the Flier ESC? Curious on what FETs they are using.