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Nov 03, 2010, 01:54 PM
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Parkzone UM P-51D motor current and battery


Hi,

Does anyone know the motor current of this airplane? I have watt meter, but never thought about to check the airplane this small. I bought several 138 mah 10C batteries for HK for only $0.99/each, but the life time were very short (3 to 5 charge cycles), then totally dead. I also bought several 160 mah 30C from HK. Their life are much longer. I wonder that 10C is too small of discharge rate, and the reason for shorted battery life.

Xiaoyu,
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Nov 03, 2010, 03:20 PM
Registered User
yes, 10c is too little for PZ ump51 - also those Hk 1gen batts are really bad in ump51 and others with same motor. poor quality...

the nanotech' work well but good luck getting those - other wise its the spendy stuff like hyperions that most ppl use or buy zippy and get plugs is another option- I'd rather wait then pay $8 for a single cell lipo!
Nov 03, 2010, 03:47 PM
Micro's all the way!!!!
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yeah I did a check once and from what I saw the motor pulls about 1.1 Amps so.................
Nov 03, 2010, 04:10 PM
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Originally Posted by VTOLrc
yeah I did a check once and from what I saw the motor pulls about 1.1 Amps so.................
[email protected] should have enough discharge capacity for 1.1A. The battery must has lower rate than 10C. I have very good luck for HK 160 mah 30C ($1.69 each. With $2.99 shipping, you can buy 6 of them). I bought several times for filling the extra available weight when I bought other items. They were all good. I got more than 10 minutes flight time for P-51. They are also fit indoor heli and Ember2 well. For Ember2, the flight time may reach 25 to 30minutes.
Nov 03, 2010, 04:28 PM
Way to many airplanes!
I checked the whole airplane (Rx and servos included) and I got reading between 1.6amps and 1.9amps.... At 1.9amps, the motor died not long after. So I'm thinking 1.6 amps is probably right.
Nov 03, 2010, 05:54 PM
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Originally Posted by RealGambler
I checked the whole airplane (Rx and servos included) and I got reading between 1.6amps and 1.9amps.... At 1.9amps, the motor died not long after. So I'm thinking 1.6 amps is probably right.
Did you mean that you could kill the motor by full throttle with 3.7 v 1S battery?
Nov 03, 2010, 06:03 PM
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UNGN's Avatar
Quote:
Originally Posted by xiaoyu80305
[email protected] should have enough discharge capacity for 1.1A. The battery must has lower rate than 10C. I have very good luck for HK 160 mah 30C ($1.69 each. With $2.99 shipping, you can buy 6 of them). I bought several times for filling the extra available weight when I bought other items. They were all good. I got more than 10 minutes flight time for P-51. They are also fit indoor heli and Ember2 well. For Ember2, the flight time may reach 25 to 30minutes.
The 138 Flightmax batteries from HK won't fly a Mustang. They are a phony baloney 138 and aren't as good as a Parkzone 110.
Nov 04, 2010, 08:28 PM
Registered User
I as lucky and got the nano-tech batterys. I have the turnigy 160 also. If you can get the nano-techs you will notice a difference. Just my 2cts.


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