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« on: December 14, 2014, 01:02:16 PM »
rastsaurabh
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Hello Fellow friends
I am looking for the turnigy 2204 motor which is burnt and not usable... i need the outer cover....

i somehow spoilt mine.... Magnets lost the magic...!!!
2204.jpg
need used, burnt 2204 motor
* 2204.jpg (39.86 KB, 510x499 - viewed 413 times.)
« Last Edit: December 14, 2014, 01:52:24 PM by rastsaurabh » Logged
 

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« Reply #1 on: December 14, 2014, 02:38:27 PM »
sanjayrai55
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« Reply #2 on: December 15, 2014, 10:46:18 AM »
KALYANPRODHAN
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Magnets are fixed with outrunner by epoxy. How they lost ? I see the prop fixing screws are missing.
Is someone opened the motor and take away magnets ? Then even after taking another one, you may still lose the magnets from new casing. They are very good motors. Check them at hobbysea.com available at 869/-. Similar speed power/weight/KV motor available at RCBazaar but with different dimension and very low stock with less price...
You can try.
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« Reply #3 on: December 15, 2014, 04:39:08 PM »
rastsaurabh
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Magnets are there but they lost magnetic properties.
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« Reply #4 on: December 15, 2014, 04:54:57 PM »
SK1701
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As far as I know magnets can only lose their properties through heat, a demagnetising field or shock (for older types of magnets). Has your motor faced any of these? How?
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« Reply #5 on: December 15, 2014, 05:02:29 PM »
kiran rc
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How did they loose the power.They are permanant magnets. They loose power when you heat them.
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« Reply #6 on: December 15, 2014, 05:21:22 PM »
rastsaurabh
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Yes i removed the c clip and took out the outer rotor.

Then heated  outer cover to remove the shaft .... the shaft got removed quite easily with 2 hammer strokes.

and The magnets too lost power !!!! Cry

People later suggested to keep the rotor in Freeze for 6-8 Hours to remove the shaft.

Anyone with a motor outer  to spare.... ( burnt motor etc.)

regds
Saurabh


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« Reply #7 on: December 15, 2014, 07:07:12 PM »
SK1701
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Looks like that's the problem. From the few disassembly videos I have seen, a mallet is advised to remove the shaft. How severely did you heat the motor bell?
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« Reply #8 on: December 15, 2014, 07:14:02 PM »
sooraj.palakkad
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But that is unimaginable, Normal heating can't lose the magnetic property of a fixed magnet I think,
 I don't know at what temp. a magnet loses it's magnetism though !
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« Reply #9 on: December 26, 2014, 10:23:32 AM »
rastsaurabh
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2204 shell or 4x4mm Magnets... anyone??
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