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Old 16-04-2007
Colinevan's Avatar
Colinevan Colinevan is offline
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Join Date: Aug 2006
Location: Madchester
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Default New Novak sintered .. shattered magnets.

Well just an update on a small prob i had over the weekend.

Coming down the main straight @ Southport about 3 mins into a race.. car made a funny ping noise and came to a gradual halt .

I stripped the motor apart and found that the rotor just slid out the can and the magnets were still inside the can in 4 pieces lol . The rotor shows the glue/bond material still on it - albeit a perfect application - it just appears that it hasnt bonded to the 1 piece magnet which has shattered.

NOw the bad news - this was on a brand new factory sintered 4.5 - not a replacement rotor and was only 2 weeks old with less than 30 mins use. The motor wasnt even that hot as iv learned to gear the cars correctly.

After a bit of research, i think im not the only one to have suffered with the sintered rotor style, i was aware of magnets shattering with the older style but not sintered. Anyone suffered a similar experience?

Col.
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