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MTA Gearheads 17-01-2007 22:22

pic: Gear Head 2 Frame
 

POLISH703 17-01-2007 22:23

Re: pic: Gear Head 2 Frame
 
That is really cool. Are those black tube things air bags??

clydefrog88 17-01-2007 22:28

Re: pic: Gear Head 2 Frame
 
could be a simulated max weight for better traction with the mecanum. i could be mistaken

Alex Cormier 17-01-2007 22:29

Re: pic: Gear Head 2 Frame
 
You guys do realize that 'air bags' like those are illegal?

Rick 17-01-2007 22:31

Re: pic: Gear Head 2 Frame
 
Those bags look like they are not allowed according to this QandA:

http://forums.usfirst.org/showthread.php?t=1258

Guy Davidson 17-01-2007 22:37

Re: pic: Gear Head 2 Frame
 
Sweet mecanum drive! We were considering going like that but in the end went for a modified version of out '06 drive train.

-Guy

EricH 17-01-2007 22:50

Re: pic: Gear Head 2 Frame
 
You guys might have fun with that mecanum. The standard mecanum setup has the opposite corners the same, not the sides. (The rollers should look like a circle or an X seen from above.) If you don't change one end, you won't be able to go sideways.

Are those black things for supporting other robots?

clydefrog88 17-01-2007 23:09

Re: pic: Gear Head 2 Frame
 
now that i think about it, those do look like airbags

Cody Carey 17-01-2007 23:10

Re: pic: Gear Head 2 Frame
 
The black things appear to be simulated weight, as was said before...



The only problem I see with the mecanum setup (other than what Eric mentioned) is that they appear to be on cantilevered banebots kit transmissions, and from the reaction I've seen... that is not a very good Idea. All it would take is four pillow blocks mounted on the extruded to remedy it though...


Other than that, though, It looks great! I like the weight distribution (assuming the battery will be opposite of the compressor).

One of the most Aesthetically pleasing extruded frames yet...

:)

Madison 18-01-2007 00:14

Re: pic: Gear Head 2 Frame
 
Quote:

Originally Posted by EricH (Post 559438)
You guys might have fun with that mecanum. The standard mecanum setup has the opposite corners the same, not the sides. (The rollers should look like a circle or an X seen from above.) If you don't change one end, you won't be able to go sideways.

Are those black things for supporting other robots?

At least it looks like it ought to be reasonably easy to switch the wheels around. There is a single 'correct' arrangement of these wheels that offers the anticipated mobility and the most opportunity for resisting unwanted movement -- this isn't it. :)

Dan Petrovic 18-01-2007 14:09

Re: pic: Gear Head 2 Frame
 
Do you plan on having any form of suspension to keep all wheels touching the ground at all times?

From what I've heard, it's not imperative, but it is very important.

lordluar 18-01-2007 17:30

Re: pic: Gear Head 2 Frame
 
Hey
I was wondering how you attached the mecanum wheels to the cim motors.
If you would contact me about it I would really appreciated.

Thanks,

Raul Salinas
lordluar2003@yahoo.com
Team 1480
Rovatos Locos


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