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lxmuff
RC-Monster Carbon Fiber
 
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Join Date: Jun 2006
04.09.2007, 11:11 PM

Just a reminder for all about the KV, rpm, pinion size, spur size, which can contribute to cogging. Keeping the pinion smaller in size helps reduce cogging with the MM. Having a large pinion forcing the ratio lower is like starting your pickup out in 3rd gear from a stop. Factor in the low kv and you have a slow buggy. There is a balance between speed, rpm/v, cogging and motor/esc temps.

I use a quark 125B with a Plettenberg Maximum 3100rpm/v. This is on a Mugen MBX5 12/46. Does over 40 mph in the short straight easily. The motor never gets hot and the Quark can last a 5 minute race before the thermo MOD. I just did the mod and it makes a lot of sense why it has these thermo problems.

I used the same motor on a MM with no cogging and the same 12/46 setup. The MM is just not as smooth as the quark, but what is?

I will be running my new 8ight with 12/46, MM, Neu 1512/1.5D(american made) @ 3200rpm/v and 4s 5000mah LIPOs. I am expecting the same performance as the other buggy.

Hopefully I'll be running at Stateline soon.
   
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