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Old Feb 22, 2003, 08:44 PM
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SF Bay Area
Joined Dec 2002
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Help? Gws IPS A drive w kokams / power surges

I have a GWS IPS A drive w/ 1047 prop on my mini ifo, and am running into power fades. I can hear my motors rpm drop, and then sometimes pick back up, and then drop again. I am afraid it is not consistantly giving great performance. I am useing 2 kokam 1020's in series, and sometimes the plane will fly great (lots of speed, powered loops, rolls) but recently, more and more my flights have been so limited in power that maintaining altitude is difficult. I changed out the motor last night with no real improvement. I have 3 packs of batteries, of which 2 are brand new, and they seem to make no difference. I am wondering if it could be my gearbox? Or maybe I am just destroying the motors ( but I doubt that... I have a heatsink, and am only running 2 batteries) The plane is really fun to fly, especially when the power is there, so what is going on? Do I need to lube something? Clean the motor? Do something with the gearbox?

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