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By: ducttapedude
New: 03-05-2008 20:32
Updated: 03-05-2008 20:32
Views: 3119 times
This is the incomplete 2k8 bot for this past year.
Someone in the Best Drive train thread(I believe it was) asked for some pictures of our chassis, so here it is, (sorry it was so late getting up).
The wheels and hex axles were not put in yet, nor were the pots on the gearbox, the axles were aluminum on the 4 ends and the center axles that went all the way through back into the gearbox (direct drive center wheel) were steel.
The actual chassis is 4x4 1/8in box tubing, with a 1/8in sheet on the bottom and a 1/16in sheet on the front and the back all riveted together to form an incredibly light and rigid frame.
If there are any other questions feel free to post questions.
Discussion
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04-05-2008 18:22
Mike Nawrot
Re: pic: Roccobot 2k8
What grade of aluminum did you use for the base, front, and rear sheets?
04-05-2008 18:28
Cory
Re: pic: Roccobot 2k8
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Originally Posted by Mike Nawrot
What grade of aluminum did you use for the base, front, and rear sheets?
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04-05-2008 19:07
ducttapedude
Re: pic: Roccobot 2k8
yeah, it's 6061, almost everything on the entire bot is 6061
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Originally Posted by Mike Nawrot
What grade of aluminum did you use for the base, front, and rear sheets?
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04-05-2008 19:49
sdcantrell56
Re: pic: Roccobot 2k8
How was that all cut out? Laser, water jet, or just a cnc mill?
04-05-2008 21:20
ducttapedude
Re: pic: Roccobot 2k8
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Originally Posted by sdcantrell56
How was that all cut out? Laser, water jet, or just a cnc mill?
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04-05-2008 21:49
Mike Nawrot
Re: pic: Roccobot 2k8
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Originally Posted by ducttapedude
yeah, it's 6061, almost everything on the entire bot is 6061
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O, and your machines are always incredible works of engineering. I look forward to seeing them every year.
04-05-2008 21:51
ducttapedude
Re: pic: Roccobot 2k8
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Originally Posted by Mike Nawrot
Wow. I'm a bit surprised that 1/16" 6061 held up in such a high impact area. Especially with all that material cut out. Our drivers managed to bend a piece of 3/16" 6061 with a mild cheesing pattern in the same area this year. Glad that worked out for you guys though.
O, and your machines are always incredible works of engineering. I look forward to seeing them every year. |
04-05-2008 22:02
Mike Nawrot
Re: pic: Roccobot 2k8
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Originally Posted by ducttapedude
There were bumpers covering all sides so the only thing it came into direct contact with were those metal blocks at the ends of the divider on the playing field.
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05-05-2008 08:28
ducttapedude
Re: pic: Roccobot 2k8
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Originally Posted by Mike Nawrot
That makes sense. The side we damaged was the one side that didn't have a bumper (it would have interfered with ball pickup).
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We also had a small, probably....6-8inch gab in the front of our bumpers for our manipulator.
05-05-2008 09:08
Brandon Holley
Re: pic: Roccobot 2k8
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Originally Posted by ducttapedude
Yeah, the bumpers do make a huge difference in what you can put where and still keep it rigid.
We also had a small, probably....6-8inch gab in the front of our bumpers for our manipulator. |
We ran the scrimmage in CT without bumpers and it left our robot with several dents and dings down the sides.
07-05-2008 08:30
ducttapedude
Re: pic: Roccobot 2k8
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Originally Posted by Hachiban VIII
What was the maximum speed?
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