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suicideneil
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05.17.2009, 09:56 AM

At 18/68 you wont see much difference, but you can gear that setup to top out at around ~60mph or so. Granted, the V-twin can do the same, but the MMM is lighter and simpler, and much more tweakable.
The MMM system is more demanding on the batts for sure, but, top end systems require top end components really- the better the batts the higher you can gear for and still stay cool.
   
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_paralyzed_
working on a brushless for my wheelchair.....
 
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05.17.2009, 11:49 AM

i've been wanting some of those spi wheels. How do you like them? What'd you pay?


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It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.
   
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C-5Quad
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05.24.2009, 10:24 AM

Very true high end systems require better juice but for now I have no choice as a good set of lipos would cost more then the truck did. Well almost...minus the wheels, bulks, and such...and I just dont have that kind of cash at my disposal

Besides I want to ditch my maxx for an e-revo, but until the prices drop where I can get a roller that I can put my electronics in for cheep or trade for my maxx. I'm stuck with budget lipos, temp gun, and fire extinguisher

I got the wheels off a maxx I bought from feabay 6months before the 3905 maxx came out that had them on it with a nice custom painted body, roll cage, cvd's, 7 cell 3300 gp batts "before lipos were being used by many people"

I love the wheels they give you less turning radius but super stable turns....the truck will slide vs flip over as much and with alloy hex's you dont strip wheels plus life time warrenty through spi

Ill post pics when I can
   
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lincpimp
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05.24.2009, 01:22 PM

Quote:
Originally Posted by suicideneil View Post
At 18/68 you wont see much difference, but you can gear that setup to top out at around ~60mph or so. Granted, the V-twin can do the same, but the MMM is lighter and simpler, and much more tweakable.
The MMM system is more demanding on the batts for sure, but, top end systems require top end components really- the better the batts the higher you can gear for and still stay cool.
If you are trying to run the same speed either system will draw the same from the batteries. I would actually say the MMM/combo is more efficient than the vxl so it should be slightly easier on the batts.

Vehicle speed, tire weight and drag will determine the wattage requirements for the truck, if the motor efficiency is the same the amp draw from the lipos will be the same too.

The more demanding comment may refer to the fact that the MMM motor can produce more torque than the twin vxl setup.... So the systems may not be equal.
   
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