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Old Oct 16, 2001, 12:37 PM
Dave Hederich is offline
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Walled Lake, MI, USA
Joined Feb 2000
11,182 Posts
I should have said in my first message that those using 8-cell NiCd packs generally seem to have more problems smoking motors. Those using 8-cell NiMH packs seem to have fewer problems. But a few people have reported early GWS IP motor failures even on 7 cells, which could be related to some motors not being up to spec due to production variables. I decided to be ultra-conservative and have been flying with a 6-cell AAA 700mAh NiMH pack (7.2V). This pack will run at full-throttle for 35 minutes or more while barely making the motor warm, and the TM will still do a loop from a dive after 30 minutes of flight. I'm awaiting delivery of a bunch of 2-cell 830mAh Li-ion packs (7.2V), which are 3/4 oz. lighter than my current pack. If you can get the performance you want out of 7.2V, which is the recommended maximum voltage for the GWS IP motor, there's no reason to use more voltage and overstress the motor.
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