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aqwut
Brushless Heavy Weight....
 
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11.26.2007, 10:28 PM

I ordered some 80 Watt tecs from Ebay.. foot print seems small.... only 40mm x 40mm x 3.2mm.. advertised that it iced up in 30 seconds...Probably @ max load/setting... I would run a seperate battery pack to it.. probably A123s, since they charge very fast... and might just run 6 or 9 volts off of it... The picture looks like that both sides get cold.. I wouldn't want it to freeze.. but it should be better than cooling it... I'm gonna shave a heatsink off the motor and ESC to see how it runs... and might put a 3rd channel switch to turn it on when motor temps gets hot...


The Power of BRUSHLESS!!!!!
http://www.geocities.com/aqwut
1HP (electric) = 746 Watts.
Everything is brushless!!
   
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zeropointbug
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11.26.2007, 10:59 PM

TEC = Peltier pad .... same thing

Agreed, it's like trying to make a solution to a problem that is already solved.... a better motor (Neu motor). A heat problem (for motors) should never get to the point of going to extreme ends to try and cool it... heck this is what electric is about, efficiency!

A neu motor can put out over 2 times the power as a Feigao motor and stay within temp. (continuous power wise)


“The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens
   
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sikeston34m
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11.26.2007, 11:23 PM

I don't see the thing on the website. I wanted to take a look.

The Peltier Device is a cheap inefficient way to move a small amount of heat at a rather large cost of electricity.

If they were really good at moving BTU's of heat, our AC units and all of refrigeration would be based on it.

Disregarding the weight expense, and the energy expenses involved, I say "Baaah Humbug" to it even keeping up with the heat being generated in a hot running motor in operation.

Don't mean to sound rude, but if this is "Does it work or does it not work", my vote goes for "It don't work"
   
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zeropointbug
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11.27.2007, 02:48 AM

It would work Sike..... for one speed run, then the motor would be up to ambient again.


“The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens
   
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