pic: Golf Ball Shooter

[Andrew Blair]

It actually looks more like HPDE or UHMW...

Anyways, do you have trouble getting your hand out of the way before it gets launched? Or will we get to see some Tytus-esque pictures soon? (Hope not...)

[jackie Ha]

dude, thats sweet. looks awesome. can i use it sometime

[sanddrag]

Originally Posted by jackie Ha

dude, thats sweet. looks awesome. can i use it sometime

No, because I know you'll fire it at me.

I did a lot of testing today. The golf ball can get about 28 feet max (on a 6 cell battery). With a 7 cell battery, that number might be a little more).

The requirement is to built a device that is no more than 32 inches long, 9 inches wide, 12 inches tall, and 4lbs that can fire a golf ball to land in a rectangular area 8" wide by 18" long that is centered 22 feet away. For a full grade, the ball must land in the scoring zone 9 out of 10 times. You are allowed as many testing shots as you need on the testing range. You are allowed only 3 non-scoring calibration shots on the real firing range.

I'm not sure what the plastic is actually. It is cutting boards from Ikea. It's quite flexible, but is a nice material to work with, and it's flexibility sets the pressure between the wheel and the ball as the black plates bow outward when the ball is in contect with them and the wheel.

There are no issues getting out of the way. It loads in the bottom and fires out the top, so...

Anyway, did lots of testing today. It is incredibly accurate. Even varying degrees of dirt on the ball didn't really seem to have any effect.

[jackie Ha]

Originally Posted by sanddrag

No, because I know you'll fire it at me.

yeah i would . but who doesnt love a little violence. violence makes people laugh, and laughter is always a good thing.

[skimoose]

Originally Posted by sanddrag

I'm not sure what the plastic is actually. It is cutting boards from Ikea. It's quite flexible, but is a nice material to work with, and it's flexibility sets the pressure between the wheel and the ball as the black plates bow outward when the ball is in contect with them and the wheel.

Most cutting boards are HDPE. We've used lots of HDPE on our FRC bots, easy to machine, low friction.

[bear24rw]

Do you have an videos of it in action?