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Unread 06-11-2005, 18:51
Billfred's Avatar
Billfred Billfred is offline
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Re: Design Ideas

This year, 1293 used the Kitbot in the low-rider configuration, all bolted up. Nothing terribly original, but it got us through Palmetto, two parades, and miscellaneous bouncing through the USC campus.

The year before, we used the aluminum in the KOP to weld together a monstrosity of a frame. I don't think anyone weighed it by itself, but it had to have weighed 15-20 pounds. (We were rookies.)
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2004-2006: FRC 1293 (D5 Robotics) - Student, Mentor, Coach
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Unread 06-11-2005, 19:08
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Re: Design Ideas

This year team 836 used a 3/16" thick aluminum plate, and boxed aluminum for the chassis and frame.

Ok here is the logic behind the plate. For one it is very hard to break, second you don't have to keep adding braces to make it sturdy and or add braces to mount stuff on, third if you need to lose weight drill some holes, but alot of holes. The most any other robot has done to the plate is a small nick, but to those who hit us at high speed i would kinda think twice, that plate isn't going to budge.

Last edited by Bcahn836 : 07-11-2005 at 06:11.
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Unread 06-11-2005, 20:40
gburlison gburlison is offline
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Re: Design Ideas

Team 662
- 6 wheel tank steering
- gearbox drives middle wheels and chains drive the front and back
- bolted frame with riveted pan
- custom wheels
- used contact cement and rivets for the tread

http://www.chiefdelphi.com/forums/pi...&quiet=Verbose
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Unread 06-11-2005, 21:11
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Re: Design Ideas

229 welded the KOP chassis in a 6-wheel drive configuration with custom 4 inch wheels, and a custom 2-speed shift on the fly gearbox. We were very happy with how we designed and built our base. It got through FLR, Buckeye, the Championships, and RaChaCha Ruckus.

When it came to the wheels we just riveted the tread to the wheels. An adhesive will hold, but it is much harder to take and replace a tread if it becomes worn down. Not that rivets are much better, they can be ripped out of the tread and create problems such as getting the tread jammed between the chain and sprocket.

JT
229

Our custom 4 inch wheels
The beginning of our gearboxes
Our gearbox plates on robot weightwatchers
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Last edited by Jay Trzaskos : 06-11-2005 at 21:15.
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Unread 06-11-2005, 21:48
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Re: Design Ideas

Quote:
Originally Posted by Bcahn836
This year team 836 used a 3/8" thick aluminum plate, and boxed aluminum for the chassis and frame.
3/8" Al Plate!! That would weigh almost 20 lbs by itself. That's seems a bit overkill, are you sure you don't mean 3/16"?

Last we used a real simple low design for the chassis out of 3/4" x 1.5" rectangular Alumin tubing in the front and back, and then 3/4" x 1.75" C channel Alumin down the lengths to support the wheels. We welded it all up and used 6 wheel design with the kit transmissions linked up with #35 chain. We used nylon sprockets attached to our wheels which was simple since our custom 6" wheels had no hub.

I attached a few simple pics.
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