Thread: Driving up the portcullis
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Unread 18-01-2016, 21:11
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Re: Driving up the portcullis
Quote:
Originally Posted by RoboChair View Post
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)
bearings at the top and bottom... Not sure i understand...
Do you mean the top and bottom of the sides? Probably ...
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