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Re: 6/8 Wheel Extra Features
Some tips learned from our drive-train this year:
Hollow tubes make for great axles, These were tapped so that there were no collars on any of the drive axles, it also saved a ton of weight, we used .495 OD with roughly .1 walls.
Track width, our 6 inch performance wheels were less than .125 from the edge of the 28 inches, it made turning much more forceful.
Maximizing traction, blue tread from Master on 6 inch performance wheels has a LOT of grip.
Choosing the proper gear ratio, our high and low gears were 16.6 and 6.7 ft/s this is NOT traction limited in low gear, enabling us to push robots with lower gear ratios when they broke traction due to overzealous driving.
Drop down casters sound interesting, our driver never got stuck on other robots, but if he ever got close/parallel to a wall it was difficultly to quickly get UN-stuck.
Last edited by Hawiian Cadder : 22-04-2012 at 01:32.
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I'll admit that the events at Epcot were pretty nice, but they too had their problems. . . You were at the mercy of the weather, and Disney hasn't figured out how to control that yet. - Kevin Sevcik [more] 
21-04-2012, 08:27
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