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Old Nov 18, 2012, 03:58 PM
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Joined Nov 2012
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Help!
Please Help Mini Super Cub

Hello.
I am a beginner rc flyer and received my rc airplane as a gift 2 years ago. It has been sitting in my garage for a while and I wanted to run it. Here is the problem: even with a full battery, the motor does not run for long. When I have the throttle on the remote on full, the motor lets out a blast for 1 second, then turns off even with my hand still full on the throttle. When I disassembled the propeller assembly with just the motor, the motor would work perfectly. I cleaned out a lot of dirt from inside, but to no avail. It does not work with the propeller on.
If anyone has been having the same problems and knows how to fix it please respond!
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Old Nov 18, 2012, 04:30 PM
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Livermore, CA
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Sometimes when the battery sets too long, it can be charged, but will not hold the charge when you put a load on it.
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Old Nov 18, 2012, 05:34 PM
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I do not think it is a problem with the battery because when I remove the propeller, the motor works perfectly fine. Thank you for the reply
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Old Nov 18, 2012, 05:47 PM
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United States, SD
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The motor won't have to work without the prop on it, so the battey will last longer.
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Old Nov 18, 2012, 05:49 PM
United States, CA, Santa Rosa
Joined Mar 2011
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Try a new battery. It doesn't matter what the motor does with no prop because
there is no load on the battery.
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Old Nov 18, 2012, 06:13 PM
Dixie Sky Devils AMA# 1015548
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United States, MS, Tupelo
Joined Oct 2012
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Try running at half to a quarter throttle with prop on and see if it runs a little longer? It's going to be your battery?
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Old Nov 19, 2012, 12:10 PM
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United States, CA, Oceanside
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If I remember correctly the battery is the 5 or 6 cell nicad or nimh right? Sometimes nimh battery packs can be resurrected by charging, discharging and then repeating the cycle about 4-5 times. I have done that with car battery nicads/nimh batteries before.
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Old Nov 23, 2012, 03:55 PM
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Quote:
Originally Posted by pencil588 View Post
I do not think it is a problem with the battery because when I remove the propeller, the motor works perfectly fine. Thank you for the reply
The prop is a loading of your motor, if you remove it, the motor will run becasue it drain less current. change the battery.

Edmond
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Old Nov 25, 2012, 11:25 AM
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United States, TX
Joined Jun 2011
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In fact, consider an upgrade to a Lipo battery.
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Old Nov 25, 2012, 02:03 PM
I live on LiPos
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United States, DE
Joined Jul 2012
691 Posts
The battery has gone bad save your self the trouble and buy a 5$ battery
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Old Nov 29, 2012, 09:56 PM
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USA, MS, Picayune
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Also make sure you turn off the anti crash stuff. That will cause the motor to cut out too. Your owners manual will explain how.
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Old Nov 30, 2012, 12:35 PM
Blacked out 350z - Texas
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Joined Nov 2012
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My champ did that when the battery was not charged fully. Also, there is a cutoff mode when the power is lost, but the best way to fix it is just make sure the battery is fully charged. If it is, then buy another battery.
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