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E-Revonut
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05.17.2009, 11:32 PM

It may be hard to tame the power of a brushless motor, for that you'll need a smooth trigger finger. Brushless motors don't know their own strength and will work themselves to death. It's very hard to put it in words but there are some simple rules you must understand. If your system is running hot enough to burn something up you have something wrong period!!! If your melting down motors and ESCs you are asking to much of them. Either your vehicle is to heavy or your geared to high causing the motor to draw a lot of current, that current also passes through the esc. You need a bigger motor on higher voltage that will draw less current for the same speed or get reasonable with your speeds and gear the smaller motor for a reasonable speed. A Muggy at 55MPH will most likely be unstable and hard to control and I will be the guy to say it, you could hurt someone or do lots of property damage with a 13Lb truck going that fast that is out of control! IMHO get a bigger motor, it'll last you longer because it won't be working as hard, gear the truck for 35MPH and work up from there until your components start getting to warm and then drop back down a tooth. Then be happy that you have a setup that stays cool and isn't breaking down all the time and deal with the fact that your not hitting 55MPH!!! You asked for help and we are all telling you the same thing yet you won't listen.


RC-Monster RC8T 1515 2.5D/MMM/5s RC-M 4500mah
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RC18T Mamba 25/5400kv 2s lipo + 6s NiMh
   
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mk351e
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05.17.2009, 11:44 PM

fair enough, I've been known to have a head like a rock!

ok, SO, I'm willing to go down to 50mph. As for safety - I agree, and I take that VERY seriously - we all should. I agree that something is wrong here, that's why I've asked Castle what is wrong with my setup about a dozen times, and they INSIST that my setup is spot on. Well, if it is then the MMM sucks, but if the MMM doesn't suck, then my setup is wrong. Either way, I'd really like to have an RC car that works, but something is wrong!

I haven't really been melting anything necessarily, my ESC just keeps dying (same thing?). Never actually MELTED something. Motor temps are highish, but closely monitored with telemetry, and my battery temp has never been an issue, even on a hot day. So, what would YOU do? I want to go 50 all day in a Muggy. What motor/battery spec (6S max)/ESC would YOU get??
   
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