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Old 08-10-2014, 08:38 PM   #1
davidbross
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Default Repair motor and upgrade possibilities

My Cox Sky Ranger took a nose dive today. The propeller shaft bent. Is there a way to straighten it?

If not, What motor can I put into it? I would like something with a little more zip and a battery with a little more power that won't blow out the other electronics. This 3 channel is fun to fly but with a little wind it has trouble heading into the wind.
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Old 08-11-2014, 01:30 AM   #2
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Brushed motor? 2 wires going to the motor, or 3?

fly
If you're going to learn to fly them, you have to learn to fix them.
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Old 08-11-2014, 03:02 AM   #3
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It has two wires. The motor is skinny to fit into the plane.
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Old 08-11-2014, 04:55 AM   #4
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2 wires = Brushed motor.
It will be very difficult to straighten the shaft properly, but you have little to lose by trying.
Good chance it's attached to a gearbox in which case it may be easier to remove and maybe straighten. They are never quite right again though.
You want to check for motor mount and firewall damage too. Check EVERYTHING.

Since it's a brushed motor (and gearbox) you either need to replace with the same or change EVERYTHING, which would be prohibitively expensive.
This is the serious downside to these integrated packages. Cheap to buy but you really want to make sure OEM spare parts are available because aftermarket replacement parts mostly won't work unless you are pretty creative. At your stage, not a big option most likely.

As far as power, pretty much none of the light small ready to fly planes have much power or do well in wind. Goes with the breed.

fly
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Old 08-11-2014, 12:03 PM   #5
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Here is a link to your motor. Just get a new one and have fun.

http://www.rcplanet.com/COXG5816_Cox...OOsaAl0m8P8HAQ

Terry

Flying is like ... ah well ... I can not think of anything it is like...
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Old 08-11-2014, 03:29 PM   #6
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Just noticed you posted a link for a new motor, so i removed my post.
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Old 08-11-2014, 04:50 PM   #7
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Originally Posted by Flubber View Post
Here is a link to your motor. Just get a new one and have fun.

http://www.rcplanet.com/COXG5816_Cox...OOsaAl0m8P8HAQ
That's assuming it is the motor shaft. Maybe the gearbox shaft? Never seen the workings of that setup.

fly
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Old 08-11-2014, 08:15 PM   #8
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Yes the assumptions are on your side. I just looked up the parts list. No gearbox is listed. Just prop, spinner and motor. Lets try to be helpful and not pick on each other.

Terry

Flying is like ... ah well ... I can not think of anything it is like...
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Old 08-11-2014, 09:23 PM   #9
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I think i would just buy a new brushed motor for it at that price with a gear. If you go to brushless you would need a new brushless esc and not worth the hassle . I gather your still learning and its going to get more beat up so fly it till you cant anymore with the stock setup . OH ! nothing wrong with brushed motors i had 4 - 480 brushed motors with gear boxes 10x6 four bladed apc props flying this on one 60 amp esc I switched them to new brushless motors and 4 brushless esc s when i finaly wore them them out in a couple years. Good luck David . joe


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