Blown 4.5
07-09-2006, 06:32 PM
#1
Blown 4.5
Hi
I just ran my 4.5 for the first time at a big meeting, it went really well. The next day it ran it, it stopped towards the end of the straight. I pulled it apart and it seems that the kevlar wrapping started to unwrap it self and part of the magnet has blown apart. This has also happened to a fellow racer at my club. What could I do to stop this from happening? and is the replacment rotor any stronger??.
Thanks for any help, Drew.
I just ran my 4.5 for the first time at a big meeting, it went really well. The next day it ran it, it stopped towards the end of the straight. I pulled it apart and it seems that the kevlar wrapping started to unwrap it self and part of the magnet has blown apart. This has also happened to a fellow racer at my club. What could I do to stop this from happening? and is the replacment rotor any stronger??.
Thanks for any help, Drew.
07-09-2006, 09:25 PM
#4
Tech Master
Originally Posted by Drewdc90
My gearing was 10.2 and the motor never went over 70 degrees C. (159 degrees F) The operating temp for the system is 160 to 180 degrees F.
Seems like a correct gearing and op temp.
Just sent an email to novak informing them about this, and send your 4.5 back for a replacement. They have the best customer service I've seen.
07-09-2006, 09:29 PM
#5
Maybe a bad crash, a bad jolt perhapes ?
I`v seen a few blow that way...
I`v seen a few blow that way...
07-09-2006, 09:40 PM
#7
Originally Posted by Ben.C
Seems like a correct gearing and op temp.
Just sent an email to novak informing them about this, and send your 4.5 back for a replacement. They have the best customer service I've seen.
Just sent an email to novak informing them about this, and send your 4.5 back for a replacement. They have the best customer service I've seen.
Thanks for your help, Drew.
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