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BrianG · 01.03.2009, 11:11 PM

I agree; the 5700 (or even the 4600) are not good choices for this truck. ESC and/or motor heat will be excessive, especially in warmer weather. You could use fans but that's just masking the problem. Even with a 12T pinion, the heat will be a bit high, but then your top speed will be crappy (speaking from experience).

IMO, this truck really needs a motor in the 3500kv range running on 3s to reduce the current. I am currently in the process of rebuilding my CRT.5 and decided to get a Medusa 36-50-3300 with a MM and UBEC on 3s lipo. Geared 14T, that should be good for right around 35mph. Just some informal testing in my basement, the temps are already MUCH MUCH better; at least 40*F cooler, and that was on 4s (which should be hotter).

	(#5)
BrianG RC-Monster Admin Offline Posts: 14,609 Join Date: Nov 2005 Location: Des Moines, IA	01.03.2009, 11:11 PM I agree; the 5700 (or even the 4600) are not good choices for this truck. ESC and/or motor heat will be excessive, especially in warmer weather. You could use fans but that's just masking the problem. Even with a 12T pinion, the heat will be a bit high, but then your top speed will be crappy (speaking from experience). IMO, this truck really needs a motor in the 3500kv range running on 3s to reduce the current. I am currently in the process of rebuilding my CRT.5 and decided to get a Medusa 36-50-3300 with a MM and UBEC on 3s lipo. Geared 14T, that should be good for right around 35mph. Just some informal testing in my basement, the temps are already MUCH MUCH better; at least 40*F cooler, and that was on 4s (which should be hotter).