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SPDT relay, have the coil connected to the NC pin, and the positive to the common pin and the other end of the coil to ground, when the relay is activated it will turn the circuit "off", thats if you need two separate or isolated power supplies, if not, just use a spdt limit switch, and wi...

Any one want to post their body designs and chassis?

I just hope some jerk event supervisor confiscates batteries because they charge above their label, It happened in the Midwestern NY regional, their battery pack said 18 volts but read 19, the battery pack were not allowed in competition

I'M IN THAT PICTURE!!! YAY! (Blue shirt, 2 medals, 3 i total )

I'll tell you guy's my first year at states was really fun, there were some close point spreads! between us (WTHS) and Stuyvesant there was a 2 pt difference! Any body else have alot of fun?

no, We had a solid sheet metal body with a scoop, yellow wheels, and a cooling fan inside an acrylic case on the top

I am pretty satisfied with my 5th place E.V. I predicted a time of 26.60 sec, while the actual was 26.63, so the round puts it at 0% deviation, Our biggest problem was straightness, we were 2mm behind the target and 3cm to the left...ARGH! but still, We metaled, my first year at NY states also

I GOT 5th at West point!!! did anybody see Niskayuna's beast? It damaged by body it had so much power
oh yeah, I'm the Webster Thomas Sumo guy

yeah, I'm excited for states also, I decided to completely redesign my bot though (old one, http://letsmakerobots.com/node/4834)
my plan is to quadruple the torque by finding some better motors

But I'm afraid that if I build a scoop then I will have no real pushing power, the opponent will just slide off



Hopefully I'll see you at west point if all goes well