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-   -   Ninjineers Video #2 (http://www.chiefdelphi.com/forums/showthread.php?t=125649)

brrian27 01-02-2014 20:11

Ninjineers Video #2
 
Check out our latest video of the robot, this time including the truss and goal. Enjoy!


http://www.youtube.com/watch?v=wWyPkUZG-lw

dodar 01-02-2014 20:13

Re: Ninjineers Video #2
 
How is the ball being pushed into the shooter wheels? Pneumatic piston?

brrian27 01-02-2014 21:38

Re: Ninjineers Video #2
 
Quote:

Originally Posted by dodar (Post 1336011)
How is the ball being pushed into the shooter wheels? Pneumatic piston?

Yup, with a 3/4" bore 8" stroke Bimba cylinder.

bEdhEd 01-02-2014 22:01

Re: Ninjineers Video #2
 
What have you guys done to make sure that the ball fabric doesn't rip?

brrian27 01-02-2014 22:13

Re: Ninjineers Video #2
 
Quote:

Originally Posted by bEdhEd (Post 1336096)
What have you guys done to make sure that the ball fabric doesn't rip?

We initially had a lot of problems with this. We switched to the white treaded AndyMark wheels which are pretty soft, and ground down each edge of the wheel to give it a more rounded shape.

Ikillee 01-02-2014 22:34

Does the pneumatic cylinder shoot the ball alone?

Gregor 01-02-2014 22:36

Re: Ninjineers Video #2
 
I definitely just had a why didn't I think of that moment.

BEN35678 01-02-2014 22:41

Re: Ninjineers Video #2
 
How far are you guys shooting from?

brrian27 01-02-2014 22:57

Re: Ninjineers Video #2
 
Quote:

Originally Posted by Ikillee (Post 1336117)
Does the pneumatic cylinder shoot the ball alone?

The pneumatic cylinder is the only action pushing the ball into the four shooter wheels at the ends of the arms.

Quote:

Originally Posted by BEN35678 (Post 1336123)
How far are you guys shooting from?

We can shoot from about 20 feet away or closer. The last two clips in the video also show us passing from the goalie zone over the truss, so that we can play offense and defense simultaneously.


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