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BrianG · 11:51 PM

Lol, it was worth a try right? ;)

Yeah, if defective, then I would definitely send it to Neu for testing. If nothing more than peace of mind...

About the temps: If you are doing a lot of standing starts, you have to remember the kinds of current you are pulling. This current at 4s or 5s is going to develop a LOT of power. It only stands to reason that you are going to heat it up. Ever feel a 75w light bulb? That's roughly about the same size, but much less power, at least a factor of 10. Granted, a light bulb isn't the most efficient thing, but you get the idea. For the sake of argument: if you are using 4s and pulling 150A, and the motor is 90% efficient, that's 216W the motor has to dissipate. Yikes.

Edit: Here's an idea: If you have a lot of 4s and 5s packs, run two 4s packs in series for 8s. :) Of course, you need an ESC capable of that, but it's only a matter of time. The rpms would be a bit high at 41k (assuming you do have the 1400kv motor), but ok if not doing lots of long top speed runs. Even then I think it would be fine - after all, these are high-end motors...

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BrianG RC-Monster Admin Offline Posts: 14,609 Join Date: Nov 2005 Location: Des Moines, IA	06.03.2007, 11:48 PM Lol, it was worth a try right? ;) Yeah, if defective, then I would definitely send it to Neu for testing. If nothing more than peace of mind... About the temps: If you are doing a lot of standing starts, you have to remember the kinds of current you are pulling. This current at 4s or 5s is going to develop a LOT of power. It only stands to reason that you are going to heat it up. Ever feel a 75w light bulb? That's roughly about the same size, but much less power, at least a factor of 10. Granted, a light bulb isn't the most efficient thing, but you get the idea. For the sake of argument: if you are using 4s and pulling 150A, and the motor is 90% efficient, that's 216W the motor has to dissipate. Yikes. Edit: Here's an idea: If you have a lot of 4s and 5s packs, run two 4s packs in series for 8s. :) Of course, you need an ESC capable of that, but it's only a matter of time. The rpms would be a bit high at 41k (assuming you do have the 1400kv motor), but ok if not doing lots of long top speed runs. Even then I think it would be fine - after all, these are high-end motors... Last edited by BrianG; 06.03.2007 at 11:51 PM.