Kreg Jig Owners Community

Catapult Physics Project

My son had to make a catapult for physics class. The Kreg jig came in real handy on this one!!!

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Comment by Pierre Vallee on December 17, 2013 at 5:51pm

hello, been a while, did you have a chance to sketch a plan for this ? would like to make one. thanks PV

Comment by Pierre Vallee on April 27, 2012 at 10:43am

WOW! how'dat happen? good luck. will wait to hear back. thanks PV

Comment by Chad Stoner on April 26, 2012 at 7:28pm

I haven't forgotten about you Pierre but I have recently broken my leg. I hope to get out to the shop soon I really need to smell some fresh sawdust. I will get some basic dimensions as soon as I can.

Comment by Pierre Vallee on April 26, 2012 at 12:15pm

I'm still keen on making one for my grandson. Measurement/dimensions when you have a chance

Comment by Guy Bratt on April 4, 2012 at 9:00am

I'm just new to the forum.  Excelent job  I see "Punkin Chunkin" in your future.Deleware here we come

Comment by Chad Stoner on March 15, 2012 at 7:45am

I just used bungee cord tie downs for the pull

Comment by Pierre Vallee on March 14, 2012 at 8:18pm

thank you Mr. Chad, will look forward to it. Also tell us what you use as spring elastic. Tks

Comment by Chad Stoner on March 14, 2012 at 7:05pm

Thank you everyone for the compliments, I will get some rough measurements as soon as I get caught up with the spring lawn work. I didn't build it from plans just kinda shot from the hip on this one and it worked. Even a blind chicken gets a piece of corn once in awhile 

Comment by Pierre Vallee on March 14, 2012 at 2:04pm

Come on Chad, let your buddies have the dimensions here LOL. Did u use surgical tubing for the spring/elastics. I've use that before on a small trebuchet and it's great. Hope to hear back. Regards Pierre V

Comment by Mark Rehl on March 14, 2012 at 5:03am

I want these plans - I have a whole neighborhood full of kids that would love this thing!

By the way I just used the Kreg to salvage a project where the supplied plans were grossly in error. $200.00 worth of oak would have been wasted.

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