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joeling
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Posts: 463
Join Date: Aug 2005
Location: Malaysia
01.24.2007, 08:09 AM

Hi starscream & crazyjr,

Thanks for your advice. Looking at the Lehners, I am now thinking of 1940 10 turn with a 1568kv. Assuming that each cell is 3.2V under load, total voltage under load will be 25.6V. This means max rpm of around 40K assuming no loss of efficiency. Is this a practical assumption ?

Looking at the constant amperage / power figures, the 1940 is rated at 1450W. Using the simple formula P=VA, one gets a current load of around 57A. Of course under instantaneous load, the figure would be higher. Again, is this a fair assumption ?

High amps = high heat = death of esc. This has been my experience so far. So, I am hoping the higher voltage lower amperage setup will work for me.

Regards,
Joe Ling
   
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