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Unread 12-02-2010, 15:06
Jon Stratis's Avatar
Jon Stratis Jon Stratis is offline
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Re: Is this legal (Bumpers)?

Quote:
Originally Posted by Al Skierkiewicz View Post
Jon,
As you pointed out in your previous post...

<R07> M - specifically the statement that the bumper has to be supported along its full length.

This is the rule your inspector will be confirming during inspection.
Understood... the kit-bot frame would still be supporting it along the entire length, several vertical projections would be placed as supplementary supports to prevent the bumpers from twisting on that frame and possibly pulling the bolts out of the plywood. Since a picture says a thousand words, take the attached image, showing views of the sides and front/back surfaces of the robot. All parts shown are intended to be flush with the frame perimeter (the kit-bot chassis running through the middle), and can be assumed to be sufficiently supported to be considered structural members.

With this design, the bumper is supported along its full length through the kit-bot frame, with vertical projections designed to provide additional support for the type of impacts you've brought to our attention. The top and bottom sections of the bumper are not supported for the full length, but supports are placed roughly every foot to help absorb the impact and to prevent the bumper from twisting and putting extreme stress on the attachment points going through the kit-bot frame, as indicated in the previous pictures.

So i guess the question is - does "being supported along its full length" include top and bottom members that traverse the full length, or would something similar to this be sufficient?
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