also check things like thermal cut out - I've seen ESCs appear to lose signal, then start up again, but actually be due to thermal cut out switching power off then restarting once temp drops. One occasion it appeared to be "poor range" as it only did it at far corner of track, which was also end of straight. Car would stop for 2-3 seconds then restart until next time it got to end of straight...
Can also be low voltage cut out if heavy draw on power. do you have capacitors fitted and working?
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I've got Araldite and a Swiss Army Knife - what more do I need?
Yokomo YZ-2
No 4WD because nothing lives up to my original Optima. Until now maybe?...
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