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Unread 21-02-2016, 23:16
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ToddF ToddF is offline
mechanical engineer
AKA: Todd Ferrante
FRC #2363 (Triple Helix)
Team Role: Mentor
 
Join Date: Apr 2011
Rookie Year: 2011
Location: Newport News, VA
Posts: 597
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Re: AndyMark 8 Inch pneumatic hub fail

Quote:
Originally Posted by Fusion_Clint View Post
Chuck, thanks for the kind offer!
The pressure in the outside wheels was at 15 PSI with the center wheels being at 25 PSI.
V/r
If you've done any serious testing, this may be the root cause. Here is some video of our robot going over defenses. Take a look at the slow motion clips near the middle of the video. See the tires compressing nearly all the way to the rims? This was with tire pressure of 35psi. If you were running at 15 psi on your outer wheels, and hitting your defenses as hard as we have been, I have to think your tires have been fully compressing. I don't think the rims would last long if that were the case.
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