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Unread 28-01-2005, 15:38
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pic: 639's 2004 Lift 1
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls
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Unread 28-01-2005, 15:40
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Re: pic: 639's 2004 Lift 1
Looks like a heavy bot, with that extrusion frame, scissor lift, AND treads. Why did you decide to go with the treads? Seems like they'd be more suited to a game in which you have to do a lot of climbing. Won't they cause issues with riding up on tetras? Or maybe you've got a cunning defensive strategy involving the inside of the goals...
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Unread 28-01-2005, 15:40
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Re: pic: 639's 2004 Lift 1
How is stability of the scissor lift?
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Unread 28-01-2005, 15:45
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Re: pic: 639's 2004 Lift 1
Quote:
Originally Posted by phrontist
Looks like a heavy bot, with that extrusion frame, scissor lift, AND treads. Why did you decide to go with the treads? Seems like they'd be more suited to a game in which you have to do a lot of climbing. Won't they cause issues with riding up on tetras? Or maybe you've got a cunning defensive strategy involving the inside of the goals...
That's their 2004 robot, not 2005. He posted this picture because there was another thread discussing scissor lifts.
http://www.chiefdelphi.com/forums/sh...threadid=33123

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Unread 28-01-2005, 16:06
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Re: pic: 639's 2004 Lift 1
I was gonna say....that looks a lot like that robot that won the Canadian regional next year!
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Unread 28-01-2005, 16:09
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Re: pic: 639's 2004 Lift 1
Quote:
Originally Posted by Paul H
I was gonna say....that looks a lot like that robot that won the Canadian regional next year!
NEXT year?!?!? Been using a time machine lately? I thik that we should work on making a scissor lift now for next year, so we can have a well-designed mechanism by then.
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Unread 28-01-2005, 16:22
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Re: pic: 639's 2004 Lift 1
Sorry for the confusion. I thought that titling it "639's 2004..." and putting it in the 2004 Robots picture gallery would be enough

The pictures were posted in order to give away some ideas to teams that considered using scissor mechanisms to stack tetras and for teams that wanted to slide parts by using the slots in the extrusion (see Lift picture 2). If you want more details, you can always PM me.

Quote:
How is stability of the scissor lift?
Driving around with it is scary... I did it last year under 3ft/s and it was OK but getting pushed while doing that would be disastrous. We built it to shoot up from the robot to the 10ft chinup bar in 1.5sec so that the timeframe for the aforementioned occurring would be minimal. However, that may be a whole new issue this year for teams who want this type of system.

Quote:
Looks like a heavy bot, with that extrusion frame, scissor lift, AND treads.
Well, if you consider 130lbs heavy, then I dunno what to say. It completed the objectives which we set for ourselves (climbing/hanging & herding) while being not easily dentable
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls
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Unread 28-01-2005, 18:14
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Re: pic: 639's 2004 Lift 1
woops! LAST year!
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Unread 28-01-2005, 23:32
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Re: pic: 639's 2004 Lift 1
Is that 30mm square aluminum extrusion? How heavy was your chassis?
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Unread 29-01-2005, 17:29
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Re: pic: 639's 2004 Lift 1
It's 1" square aluminum extrusion. The frame weighed *around* 20lbs.
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls
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