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General RC Heli Discussion Discuss general topics on rotary wing aircraft, including construction, Servo's, Gryo's and Stabilizer discussions. Heli Pro Shop

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Old 05-24-2006, 06:54 PM   #11
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just givin' you the gears. Sorry for yet again hijacking a thread
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Old 05-24-2006, 07:03 PM   #12
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I am: Calvin Martini
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I have personally killed three TP2100 G2 (12C) 3S packs through cooking the middle cell by running them too long (to 60 Celcius, ~10-11 minutes, 1600mAH, ~11V finish voltage at rest, ~30-40 cycles per pack, 2400 RPM). I now have the prolites and time my flights to 8 minutes, 2700 RPM and temps are 45 Celcius (I may even run a minute less - just doing setup).

The Prolites hold their voltage really well. I have graphs to show the difference between the TP prolites and the PQ1800 XPs - for this application, the 1800s were too small and couldn't hold the voltage (dropped to under 9V under load, still at ~12V static once I stopped).

He may get by with the cheaper packs, but then again, he may not. There's a learning curve to runing Lipos - and it can be expensive if you run them too hard. Burning your way through cheaper packs can quickly add up (so can burning expensive ones ). I personally feel it is better to get the better packs up front - but it's up to the individual pilot. I spent my $300 learning my lessons.
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