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03.19.2008, 09:11 PM
Interesting project ... everything sounds very well pondered, but asking 4.5Kw output from a Neu 1515 sounds to optimistic. Efficiency at high Amp levels might be less then 80% requiring your battery to feed up to 5.4KW (900Watt wasted in heat) meaning 270A@20V (assuming around 3.3V per cell). Don't know if the windings of the 1.5D will hold up to 270A even for short bursts.
Which ESC do you plan to use?
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