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Unread 18-01-2012, 09:42
Brandon Holley's Avatar
Brandon Holley Brandon Holley is offline
Chase perfection. Catch excellence.
AKA: Let's bring CD back to the way it used to be
FRC #0125 (NU-TRONs, Team #11 Alumni (GO MORT))
Team Role: Engineer
 
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Rookie Year: 2001
Location: Boston, MA
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Re: Banebots RS-775 Case Short

Quote:
Originally Posted by camtunkpa View Post
We got our 4 Banebots 775's in last night and 3 out of the 4 have issues.

One motor had about 2M ohms of resistance between the terminals and the case. After running the motor for a about 5 minutes the motor must have cleared whatever debris was causing the reading.

The second motor read 13 ohms between the terminals and the case. We started by "zapping" the debris as was recommended last season to clear case shorts. After zapping the motors we had a 1M ohm resistance between the terminals and the case. We are still working with this motor to clear the debris causing the resistance.

The third motor was the best of them all. It had no case short and the resistance between terminals was good, but only one minor problem...the shaft doesn't spin at all. The motor is completely locked up.

I have a call into Banebots and will post their response to our issues.

I just hope other teams are having better luck with these motors then we are. The 775s are a nice motor when they are working properly.


Cliff I think you just confirmed for us our total avoidance of the 775 this year. I don't know if I could make it through another failure in a finals match again

-Brando
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MORT (Team 11) '01-'05 :
-2005 New Jersey Regional Chairman's Award Winners
-2013 MORT Hall of Fame Inductee

NUTRONs (Team 125) '05-???
2007 Boston Regional Winners
2008 & 2009 Boston Regional Driving Tomorrow's Technology Award
2010 Boston Regional Creativity Award
2011 Bayou Regional Finalists, Innovation in Control Award, Boston Regional Finalists, Industrial Design Award
2012 New York City Regional Winners, Boston Regional Finalists, IRI Mentor of the Year
2013 Orlando Regional Finalists, Industrial Design Award, Boston Regional Winners, Pine Tree Regional Finalists
2014 Rhode Island District Winners, Excellence in Engineering Award, Northeastern University District Winners, Industrial Design Award, Pine Tree District Chairman's Award, Pine Tree District Winners
2015 South Florida Regional Chairman's Award, NU District Winners, NEDCMP Industrial Design Award, Hopper Division Finalists, Hopper/Newton Gracious Professionalism Award