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Old Jul 15, 2001, 09:27 PM
Registered User
Joined Jul 2001
353 Posts
what gives more flight time/power?

Milliamps? or number of cells? A 6 cell 900Mah will give me about 15 minutes flight time. What if I wanted more flight time? More cells or more capacity?
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Old Jul 16, 2001, 01:49 AM
Paul Susbauer's Avatar
Hong Kong, Hong Kong Island, Hong Kong
Joined Apr 2001
4,625 Posts
well, it depends on the plane. But for the sake of argument, lets say a speed 400 sport plane. For more duration you could simply get a bigger capacity pack. If you want more power add a cell or two.

Also, for a longer duration, but with a slight reduction in power, run a 7.2 volt motor, instead of 6 volt motors, the 7.2 motor can handle more cells as well.
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Old Jul 16, 2001, 05:39 AM
Andy W's Avatar
Marietta, GA
Joined Jun 1999
43,312 Posts
Capacity in mAh is how many mA you can draw for an hour. Power is rated in watts, but watts are (amps * volts), so for a given number of cells, volts are about equal so you can have more power by increasing the amp draw. The rate at which you draw amps determines how quickly you drain the mAh out of your pack - 1000 mAh = 1Ah or 1A for an hour. So if you have a motor/prop combo that draws 10A on however many cells, you will drain a 1000mAh pack in (1000mAh = 1Ah, 1Ah / 10A = 1/10th hour or 6 minutes). Power equals (roughly) the number of cells x the current draw in amps.
This is all covered in the FAQ, however..
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