Quote:
Originally Posted by Gray Adams
I spent about 5 full minutes looking at their robot, and I now realize I didn't ask about the drivetrain. How did I not do that?!
I can't tell if they have something to lifts their robot or if their sheetmetal frame is just shaped to pop them up and over. 971 and 254 have a little drop down wheel that launches them over, but I can't remember what 1114 does. Something passive would definitely be nicer.
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Our method is passive. We just angled the front and back edges of drivetrain, and riveted on strips of Teflon along the entire base to slide over the the barrier. This has allowed us to drive full speed into the barrier and get over. On 1114, we like the Dukes of Hazzard method of getting over obstacles.
The drivetrain is a 6WD using the AndyMark 8" pneumatic wheels (long configuration).
Belts are a fine way of transferring power in a robot. Like chains, gears, drive shafts, viscous couplings or any other means of transmission they require some care and attention on you're part. But no one said this robot stuff was going to be a cake walk. - Andy A. [more] 
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