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Re: 80/20 chassis
Drawing up the whole whole robot in advance is good advice for teams on a extreme budget. However, what we like about 80/20 is it's flexibility to change your mind. You can bolt things together, get a better idea, and change it quickly without cutting out and splicing welded pieces. It's fabulous for prototyping.
To do that you need enough material on hand to play around. 80/20 1" extrusion costs only $.23 an inch list price. The FIRST team price, if you can find a distributor who will do that for you, can be 35% or more off of that. The expense generally comes from all the special inserts, bolts, brackets, etc.
I'm not sure the exact numbers but I think the cost to 80/20 distributors for material destined for a FIRST team is 45% off of list. They then may add a bit for their handling of your order.
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