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-   -   pic: 4265 Competition Render (http://www.chiefdelphi.com/forums/showthread.php?t=125673)

tag_groff 02-02-2014 11:57
pic: 4265 Competition Render
 

AllenGregoryIV 02-02-2014 12:00
Re: pic: 4265 Competition Render
 
This looks pretty amazing. Are you planning to add anything to help secure the ball as you drive? Do you have a way to shoot multiple shots/passes or is it just a high goal finisher?

Do you have an expected weight? I remember your base was pretty heavy during the off-season.

On your collector do either of the rollers pivot to go around the ball or are you able to just compress it through? What's the spacing? Will you be able to retract them or do they just stay deployed the whole match?

tag_groff 02-02-2014 14:35
Re: pic: 4265 Competition Render
 
We have added tubes to the chassis to help hold in the ball, along with aiding in catching. Our expected weight calculations are in the 110 ballpark. our Rollers do not pivot, but they are flexible enough to allow the ball to compress through them. They also actuate up to help hold the ball in along with being able to reverse the ball back out.

yash101 02-02-2014 16:52
Re: pic: 4265 Competition Render
 
PREETTYYYYY!!!
Great job in keeping the aesthetics on your bot. That always makes problems easy to spot.

JALV 02-02-2014 17:16
Re: pic: 4265 Competition Render
 
Looks good and I think you choose a great drive train for this year. It is amazing what an efficient CAD team can do for you.

My team is also experimenting with the same type of rollers to pick up the ball and is concerned about the system's strength. What type of materials are your rollers made of and how are they attached to their gearboxes?

tag_groff 02-02-2014 22:51
Re: pic: 4265 Competition Render
 
Quote:
Originally Posted by JALV (Post 1336464)
Looks good and I think you choose a great drive train for this year. It is amazing what an efficient CAD team can do for you.

My team is also experimenting with the same type of rollers to pick up the ball and is concerned about the system's strength. What type of materials are your rollers made of and how are they attached to their gearboxes?
our rollers are made out of schedule 80 PVC with rubber tubing for grip. We have heat formed the end of the PVC using a hex shaft so the slide right on the output shaft of the gearboxes. We then just drilled a hole through the shafts and pvc, and locked it in with a bolt.

ehoyla 02-02-2014 23:10
Re: pic: 4265 Competition Render
 
Looks great you guys!! Hopefully you guys can pull out a chairman's and robot win this year!!! I'm rooting for you!!

AllenGregoryIV 02-02-2014 23:21
Re: pic: 4265 Competition Render
 
Quote:
Originally Posted by tag_groff (Post 1336625)
our rollers are made out of schedule 80 PVC with rubber tubing for grip. We have heat formed the end of the PVC using a hex shaft so the slide right on the output shaft of the gearboxes. We then just drilled a hole through the shafts and pvc, and locked it in with a bolt.
1/2" schedule 80? Also what type of rubber tubing?

tag_groff 03-02-2014 00:01
Re: pic: 4265 Competition Render
 
Quote:
Originally Posted by AllenGregoryIV (Post 1336636)
1/2" schedule 80? Also what type of rubber tubing?
yes 1/2" schedule 80. We are using basically very large ID surgical tubing.


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