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Re: pic: Team 340
The lower arm and the extended section of the upper arm are aluminum tube. We looked at C channel and switched to tube for strength.
Original design had belts and pulleys. I made the mistake of not checking tensile strength of the belt we ordered. So Friday night was a little tough, completely switching from belt to chain, not knowing if we had weight.
Things are looking good now. And other than 2, 1 hr naps I've been up since 7am yesterday. coming up on 40 hrs. Time to turn in.
Thanks for the positive feedback!
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