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Unread 07-12-2014, 17:18
End-Game's Avatar
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Angelbots Offseason 8W WCD

The Angelbots are proud to present our recent offseason drive base, Lovingly referred to as the Taco Bot.

https://www.youtube.com/watch?v=5Zf_TNny2TM

The Taco bot is a 8 wheel WCD, powered through a WCP 3 CIM Gearbox with a 2.92 spread with 14 tooth CIM pinion gears, giving us a calculated speed of 6.5 ft/s in Low, and a speed of 19 ft/s in high. We used the Versablock system, with the two center blocks dropped, and decided to use #25 Chain as our power transmission from wheel to wheel with 16t sprockets, as opposed to 9mm HTD belts for reliability and serviceability Reasons.

This is a test platform for a Hexagonal chassis design, using different length bumper supports to achieve the shape, while staying within the bumper rules from last year. We wanted to try as many new things as possible, and as such we are testing two different types of wheels. A 2 in wide colson wheel with cut tread, and a 3D printed wheel with blue nitrile tread, both of which are 4 inches in diameter, and Hex driven. We put 2 in wide versions of the 3D printed wheels in the middle of the robot, and 1 in wide versions on the outer wheels, as it could have some interesting effects on traction and turing dynamics, and have a positive effect on spatial constraints with a hexagonal chassis.

We are in the process of making bumpers currently, and are using sailcloth on the sides, and cordura on the front and back, to have the ability to escape pins and pin other bots.

We have yet to add extra weight to simulate actual driving dynamics, and we are limited in terms of a carpeted area that we could use, but we are very happy with the way that the Taco bot has been performing.

More pictures to come later.

Let me know what you guys think, any and all feedback is welcome.

And yes, Waldo, We do need better battery maintenance.
 


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