Found this on the castle website in FAQ, perhaps this may help:
Quote:
2. When I get to full throttle, my ESC cuts power to the motor. I have to throttle off then back on to get the motor to start, but it cuts off again at full throttle. Why is that?
The most likely cause of this problem is a lithium polymer battery pack that is not capable of providing the current the motor, gear ratio, and propeller are asking for. Normally the voltage curve for lipo batteries is almost flat, but when overdrawn their voltage will fall below the cut off point before the battery is discharged completely. The solution for this situation is either a higher gear ratio or a smaller prop, which lowers the current draw of the system. Or, if the performance is not wished to be lost, a higher Mah, or more capable brand of lipo pack can be used.
Another less likely cause for premature LVCO is too small or too high a resistance plug between the battery and the ESC. Also make sure the wires on the battery pack are at least the same size as on the ESC.
If the battery pack is up to the task, and the wires and plugs are sized correctly, it is possible that a sudden motor cut off, with the ability to restart by going to the off throttle position, could be caused by the over current protection on that particular controller being too sensitive.
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What got me wondering about this is philldogg's reply where he is experiencing a simular but more severe hiccup. He's using a 7xl, which would draw even more current than my 8xl, perhaps the controller is suddenyl dropping the motor power under extreme loads (like under hard accel) which may look like a brake stab under the right circumstance...
Don't have to do the "back to neutral" to go again, but maybe this is plane esc specific.
May not be the solution, but this fits the facts my particular hiccup, which is different than the rev to forward cogging some of you are encountering.