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-   -   pic: 1710's Recycle Rush Chassis (http://www.chiefdelphi.com/forums/showthread.php?t=132604)

orangemoore 11-01-2015 17:20

Re: pic: 1710's Recycle Rush Chassis
 
Quote:

Originally Posted by Jpatterson1710 (Post 1426374)
I guess I should have backed that up. I don't want to use omnis, because the rollers are more likely to break than a caster, and in the event of a break, casters are one easily accessible nut, rather than messing with collars or spacers with a shaft.

I have never heard of an omni wheel breaking a roller. Has this really happened before?

mrnoble 11-01-2015 17:22

Re: pic: 1710's Recycle Rush Chassis
 
Quote:

Originally Posted by orangemoore (Post 1426376)
I have never heard of an omni wheel breaking a roller. Has this really happened before?

I've never seen it. We've been using them since 2007.

JosephC 11-01-2015 17:26

Re: pic: 1710's Recycle Rush Chassis
 
Quote:

Originally Posted by orangemoore (Post 1426376)
I have never heard of an omni wheel breaking a roller. Has this really happened before?

I've been field reset every week for the past 2 years, and have never once personally seen an omni break a roller.

Jpatterson1710 11-01-2015 17:27

It apparently happened on our team before I was around. We also broke an AndyMark rubber wheel in last year's game, so I wouldn't put it past us.

Jpatterson1710 11-01-2015 17:30

I guess if it doesn't happen often, then it could be a possibility, I'm just a fan of the simplicity of the caster.

JosephC 11-01-2015 17:30

Re: pic: 1710's Recycle Rush Chassis
 
Quote:

Originally Posted by Jpatterson1710 (Post 1426380)
It apparently happened on our team before I was around. We also broke an AndyMark rubber wheel in last year's game, so I wouldn't put it past us.

With no defense in this years game, It should be difficult to break ANY type of wheel, unless you're flying off bumps.

mrnoble 11-01-2015 17:32

Re: pic: 1710's Recycle Rush Chassis
 
I'm a teacher. I've seen a TON of broken casters on chairs in the school. No broken omnis. If your team broke one five years ago or so, see if you can track down the circumstances. AndyMark and Vex have improved their products each year and I sincerely doubt you'd find this year's wheels to have problems.

Also, no defense.

EricH 11-01-2015 17:39

Re: pic: 1710's Recycle Rush Chassis
 
Quote:

Originally Posted by Jpatterson1710 (Post 1426381)
I guess if it doesn't happen often, then it could be a possibility, I'm just a fan of the simplicity of the caster.

I haven't seen an omni break, but I've picked mecanum rollers out of the field reset box. OTOH, I've also been on a team that managed to break the hubs out of some wheels.

Just a random thought, see about some ball casters--for both chassis!--and maybe add some omnis to an order that comes in later for the practice chassis, and see how they all hold up.

Video of 56 in 2005... http://www.thebluealliance.com/team/56/2005; be advised that you won't be able to see much of them. Best bet is the Q94 from Galileo Division, near the start.

Jpatterson1710 11-01-2015 17:53

That's the beauty of two robots. If we decide after drive practice that it isn't working, we can make adjustments.

D_Price 11-01-2015 18:26

Re: pic: 1710's Recycle Rush Chassis
 
Digging the chassis design and can definitely see the pick up potential but I will have to agree with a lot of the others on this thread in stating that; even with programming in place for the casters it still leaves a ton of inconsistency in using these wheels.

Jpatterson1710 11-01-2015 18:49

Quote:

Originally Posted by D_Price (Post 1426398)
Digging the chassis design and can definitely see the pick up potential but I will have to agree with a lot of the others on this thread in stating that; even with programming in place for the casters it still leaves a ton of inconsistency in using these wheels.


Thanks. We're really digging it too. Clearly there is enough evidence here to look into other wheels. We'll mess around with all the options


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