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Originally Posted by ngreen
We used fiberglass unistrut on this years robot for the elevator lift and arm. Great material. Saved us a ton of weight and stong enough in testing to hold at least 4-5 tetras at 5-6 feet or at least one mentor trying to break it. Look at 1108 Teaser #1 and #2 to see our fiberglass or I'm sure you can find a competition picture somewhere.
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Please keep in mind the different
types of strengths. While it can take weight consider that if they make something like their entire frame out of this they might want a padding to keep from chipping and splintering.