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Old Jun 06, 2011, 05:07 PM
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Irvine, Calif USA
Joined Feb 1999
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Twin Het 700 motors, next to almost identical Neu 1515.

The above Neu is a warranty replacement, the original 1515 had a defective stator, shorted out in my MiG-21, set the 120A controller on fire and burned part of the tail section of my MiG, including most of the tail wiring. The Het 700 that replaced it has worked fine so far in the MiG-21

Motor weight is roughly determined by required continous power under very good cooling conditions, 2500W / (7 W/g) = 360g approximately, which puts it in the 700-68 class.

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Last edited by Herb; Jun 07, 2011 at 01:41 PM.
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