Chief Delphi - crab drive

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- Technical Discussion (http://www.chiefdelphi.com/forums/forumdisplay.php?f=22)

- - crab drive (http://www.chiefdelphi.com/forums/showthread.php?t=72716)

cloud_254

22-01-2009 20:46

crab drive

how many other teams r goinlg with a crab type orientation vs. a 4 wheel steer?

AdamHeard

22-01-2009 20:48

Re: crab drive

We're doing a 4 wheel Crab.

cloud_254

22-01-2009 20:50

Re: crab drive

when did San Luis Obispo, CA get a frc team?

CraigHickman

22-01-2009 21:01

Re: crab drive

Crab here as well. I've posted many tidbits about what we're doing on it in several of the other threads out there. I'm sure the search function can lead you to them.

AdamHeard

22-01-2009 21:04

Re: crab drive

Quote:

Originally Posted by cloud_254 (Post 806186)

when did San Luis Obispo, CA get a frc team?

8 years ago.

waterfreak#1

23-01-2009 23:43

Re: crab drive

that sounds good to do a crab drive

Arefin Bari

23-01-2009 23:45

Re: crab drive

I am doing a 8 wheel crab. =)

waterfreak#1

23-01-2009 23:47

Re: crab drive

how are you doing that does it work fine did you work out the variables

CraigHickman

24-01-2009 01:08

Re: crab drive

Quote:

Originally Posted by Arefin Bari (Post 806935)

I am doing a 8 wheel crab. =)

Hm. Two wheels per module, with a set of miter gears between them?

Arefin Bari

24-01-2009 01:45

Re: crab drive

Quote:

Originally Posted by CraigHickman (Post 806953)

Hm. Two wheels per module, with a set of miter gears between them?

Nope, I am just using lots of skills. =)

gorrilla

24-01-2009 07:46

Re: crab drive

we, were going to, but ran out of time:rolleyes:

ringo115

24-01-2009 09:22

Re: crab drive

whats crab drive

cloud_254

24-01-2009 13:38

Re: crab drive

its were the 28" are the sides and the 38" are the front and back

scirobotics

24-01-2009 13:42

Re: crab drive

How is the crab working for you guys anyway? we decided to use 4 wheel drive instead of it, what made you decide to use crab drive?

Aren_Hill

24-01-2009 14:23

Re: crab drive

Quote:

Originally Posted by cloud_254 (Post 807149)

its were the 28" are the sides and the 38" are the front and back

negative on that, thats simply referred to as "wide drive" style.

Crab drive is where the robot has the ability to rotate its wheel effectively steering them, while having them powered also. There are many different styles of doing this. Do a quick CD-media search for "crab drive" or "swerve drive" and you'll see plenty of examples.

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