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Unread 18-01-2007, 04:15
TheOtherTaylor TheOtherTaylor is offline
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Re: pic: 498's Aircraft Carrier Deployed

Woot ramp-bot!

How tall is that thing folded up?
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Unread 18-01-2007, 07:29
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Re: pic: 498's Aircraft Carrier Deployed

OH MAN!
i had that exact same idea! that looks AMAZING!
well my ramps were a lot smaller but mine was in the concept stage only..
i still have no idea what design my team has chosen, if they have chosen one yet, all we've worked on is our arm.
good work there, and good luck
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Unread 18-01-2007, 08:03
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Re: pic: 498's Aircraft Carrier Deployed

The arm can violate the 72"X72" rule... that's what the extension is on because of. We can put our arm perfectly horizontal in back of us only if the arm pneumatic isn't extended; when it is, we're limited to working near the ground or to the high goal only (or on the other side of the robot, of course).

Folded up I think we're looking at around 45" tall or so. The closest we want to get to our height limit is 47".

Thanks for the compliments!
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Unread 18-01-2007, 10:13
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Re: pic: 498's Aircraft Carrier Deployed

do you have plans to add any kind of cushioning/support around your arm incase a bot were to go berserk while climbing you?
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Unread 18-01-2007, 10:27
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Re: pic: 498's Aircraft Carrier Deployed

A beautiful design...and I say this because it looks VERY familiar!!

Good luck this year!!

Last edited by M. Mellott : 18-01-2007 at 10:29.
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Unread 18-01-2007, 10:35
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Re: pic: 498's Aircraft Carrier Deployed

Nice design! Two questions/concerns I've got on it.

1. How long's your ramp, and what's the angle on it? Discussions have come up regarding robots not being able to climb a steep ramp- you may want to consider "flattening" it out a little bit.

2. How many bots can you fit on top, once they're up the ramp, and what kind of support do you have overtop of the main body of the robot, to ensure it doesn't break and crush all your electronics??

Nice design overall guys!
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Unread 18-01-2007, 12:59
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Re: pic: 498's Aircraft Carrier Deployed

We are planning on having "guide rails" along the sides of our ramp to help our partners drive up us straight, we hope that will be enough to prevent them from destroying our arm.

We don't know for certain our ramp heights yet, however we're guessing it'll be between 32" and 36" long, which would give us an incline of about 20 degrees. We hope to fit 2 robots on top, we may or may not lift the ramp portion up at the end of the match to ensure both partners are 12" above the ground. The actual materials for the ramps are still uncertain, however the middle is going to be given as much material as needed to prevent destruction of our robot.

Quote:
Originally Posted by M. Mellott View Post
A beautiful design...and I say this because it looks VERY familiar!!
There seems to be alot of teams who have said they thought up a design like this at some point. Hopefully that's a good thing!
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Unread 18-01-2007, 13:30
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Re: pic: 498's Aircraft Carrier Deployed

How wide do you expect the ramp will be?
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Unread 18-01-2007, 15:06
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Re: pic: 498's Aircraft Carrier Deployed

Quote:
Originally Posted by M. Krass View Post
How wide do you expect the ramp will be?
Our ramps will only be 30"-32" wide. If you're a wide robot we won't be lifting you, we had to make a design decision and figured it was more important to develop a good arm than to try to add compatability for all robot configurations.
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Unread 18-01-2007, 15:18
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Re: pic: 498's Aircraft Carrier Deployed

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Originally Posted by Donut View Post
Our ramps will only be 30"-32" wide. If you're a wide robot we won't be lifting you, we had to make a design decision and figured it was more important to develop a good arm than to try to add compatability for all robot configurations.
A 28" wide robot with bumpers will be wider than 32", Something to think about.
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Unread 18-01-2007, 15:49
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Re: pic: 498's Aircraft Carrier Deployed

How high do you lift robots off the ground? It looks to me as if you're going for 12", though.
Also, a question about your arm: how do you plan to extend the moving parts of your arm? (lead screw, pneumatics, chain, cable and pulleys, etc.)

It does look cool though. Nice design.
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Unread 18-01-2007, 20:56
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Re: pic: 498's Aircraft Carrier Deployed

Can those Omni Wheels take on that load?
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Unread 19-01-2007, 00:41
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Re: pic: 498's Aircraft Carrier Deployed

Quote:
Originally Posted by IndySam View Post
A 28" wide robot with bumpers will be wider than 32", Something to think about.
Yes, but the robot can only be 28" wide, and the bumpers can only be up to 3.5" on either side. The only thing that matters is the bumpers on the side with our arm; the bumpers on the other side of our partner can hang off of the edge of our robot without problems. This means we only have to consider 31" of their width.

We're going to lift to about 13" just so we don't have any tape measurers brought out to check our height. We plan on using pneumatic pistons for all extensions with sliding 80/20 pieces, it has worked well in the past.

We certainly believe the omnis can take it, we'll see though.
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Unread 19-01-2007, 02:27
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Re: pic: 498's Aircraft Carrier Deployed

Simple, I like it.

The only suggestion I have is to protect your mechanism (arm) structure somehow. At the last minute robots will just drive full speed to get up on your robot (from the side). Since you pointed out in your previous post that you have 30"-32" wide ramp, the drivers of the other team can easily hit the arm. I would propose some sort of railing (doesn't have to be high at all... maybe 2"). Good luck this build season.
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Unread 19-01-2007, 15:03
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Re: pic: 498's Aircraft Carrier Deployed

Quote:
Originally Posted by IndySam View Post
A 28" wide robot with bumpers will be wider than 32", Something to think about.
Your drives wheels aren't gonna be under your bumpers. The only problem that I see with those dimensions is if the have huge walls on both sides of their ramps, otherwise the bumpers can be hanging over the edge.
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