Punkin Chunkin

[Kent A Bathurst]

I'm on a team that builds one for competition....

OK - Ron - I have no interest in tossing large fruit or vegetables. But, I would like to toss, say, a softball or a tennis ball 50 - 100yds. I have looked around a bit, but haven't found any detailed designs [for free]. I have found some mind-numbing info on trebuchet math and a lot of discussions on theory.

Anyplace you know that would provide [free] designs? Also - I would ideally be able to make it, test it, break it down and ship it to a friend - just for the sheer delight of watching his wife's reaction when she sees what craziness I am up to this time............

[Chris Kennedy]

My neighbor knocked one together using PVC and bungee cords in a day. For throwing tennis balls, that should be more than enough.

Cheers,

Chris

[Todd Hyman]

I saw that over Thanksgiving and I couldn't believe it! It looks like a fun event to attend. Those people are crazy and so are the attendees.

[Jon McElwain]

Punkin Chunkin is pretty cool, but these guys launching anvils has got to be just as exiting if not more...

http://www.geekologie.com/2009/10/an...worlds_man.php

[Charlie Reals]

if you get a chance turn to the Science Channel, it's on now, later, and probably will be repeated it. Big home made machines throwing pumpkins
close to a mile. Where do I sign up?

Joe, not confirmed yet butt this from the wikpedia info

In September 2010, the 'Big 10 Inch' team returned to Utah and fired a pumpkin 5,545.43 feet (1,690.247 meters) - this shot is still pending certification by Guinness World Records.

Big machines throwing over a mile now

[Chris Parks]

I like anvil shooting...

http://www.youtube.com/watch?v=IhQ4dE_RGnQ

[Carl Carew]

I built a mini one last year for my wife's school class, it stood about 4 ft high, was the trebuche style had about 12 lbs of wt and could toss a gourd about 100 ft. The class loved it had their own contest and they brought it out again this year