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Unread 21-09-2015, 00:40
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Re: [FTC]: Drive Platform- Design Exercise

Quote:
Originally Posted by orangemoore View Post
What I mean is that in the post that was first questioned about the term "churro" came from. (To my knowledge) he was asking what a churro part was and not the actual piece of food.
My quote then was a response to the side discussion about familiarity with the food. I fully understand that the original question was about the aluminum stock, not the fried dough. My point was that if you are familiar with the food, you wouldn't ask the question about the aluminum.

Quote:
Originally Posted by DavisDad View Post
Big Wheel Design

We did some design and testing. We modeled the AM-0420 8" Wheel with an automotive "cogged V-belt", model # AX-23. The idea is that the belt will be flipped inside out and snugly fit the wheel OD. We're thinking well cement the 2 rubber surfaces together.
This looks like a great solution - if you can find the right pitch timing belt, it should interface well with the churros even at the steep angle. If rubber cement doesn't do the trick for you, you might want to check on glues meant to hold a patch in a tire. These glues are usually painted on, set in place, and then partially burned to form a solid joint. Of course, I suggest doing the burning outside, on a metal pad, away from other combustibles, with a class A+B fire extinguisher handy just in case things go awry.

Quote:
Originally Posted by Gdeaver View Post
Time to review the concept of center of mass with the students. Both static and dynamic. Saturday we let the students go on design for different aspects of the game. Half way into the meeting, we gave them a power point presentation on COM that we give the FRC students. After a little playing on the mountain with this summers practice bot, the concept of COM really sunk in. We can "crash" the practice bot up the 30 degree slope. To drive up the 50 degree slope is challenging.
Thanks! I'll incorporate a bit of this into our FRC pre-season training this year.
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