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Unread 18-01-2016, 21:05
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RoboChair RoboChair is offline
He who fixes with hammers #tsimfd
AKA: Devin Castellucci
FRC #1678 (Citrus Circuits and 5458 Digital Minds)
Team Role: Mentor
 
Join Date: Jan 2007
Rookie Year: 2005
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Re: Driving up the portcullis

Quote:
Originally Posted by 1452-Leo View Post
We built a portcullis out of wood (built to the "Team Version" specifications) and I don't think it would be possible to roll it up. However, the actual one might have less friction when applying a force perpendicular to the lexan, so it might be easier.
The portcullis uses ball bearings at the top and bottom of the door in a steel track. So even with huge side loads there should be very little friction(page 253 of 2016FieldComponents.pdf)
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