| Project by Bob A in NJ | posted 373 days ago | 569 views | 4 times favorited | 21 comments | ![]() |
Here’s a project I made one snowy Sunday last February
It’s a mid-evil style trebuchet. After researching various designs on the internet, I downloaded a plan of this desk top model. These are a lot of fun to build and shoot.
This one is made of 1” x 1” oak and is ~24” tall, 12” wide and 20” from front to back. This is a good exercise in simple woodworking skills as it has a tapered beam (made on the jointer) and a bunch of lap joints. The counter balance weight is a crab fish can filled with lead weights and 1/2” nuts.
This size shoots plastic golfs balls about 10’. My nephews liked this so much I gave it to them.
You can make these in any size, checking out the large one’s on “YouTube” was a great way to kill an evening.
-- Bob A in NJ
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21 comments so far
Kerux
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384 posts in 421 days
posted 372 days ago
Where did you get the plan? I’ve been wanting to build one of those.
-- http://www.LanierandSons.com
Max
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6590 posts in 811 days
posted 372 days ago
That is pretty cool….
-- Max "Desperado", Salt Lake City, UT
ChrisBabayco
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58 posts in 465 days
posted 372 days ago
This looks like fun… and really something to think about. Nice work.
cajunpen
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5345 posts in 603 days
posted 372 days ago
Really nice project Bob – I know a History teacher that would absolutely love one of these. Can you post a link to the plans?
-- Bill - "Suit yourself and let the rest be pleased." http://www.cajunpen.com/
ThreeJs
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79 posts in 477 days
posted 372 days ago
That is great!! One of my first wood working projects was a trebuchet that I pegged together. Mine is also made from oak, and the base is about 18” tall. With 4.5lbs of weight it can wing a bouncy ball 3 houses down the street. I used 1/4 threaded rod, and a copper tube for the axle. These are alot of fun to make, and play with.
-- David, Charlotte NC (http://beechcreeknaturals.etsy.com)
Karson
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13834 posts in 938 days
posted 372 days ago
Great Bob. Did you ever come our way for Punkin Chunkin?
-- Karson Southern Delaware karson_morrison@bigfoot.com
Lee A. Jesberger
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2898 posts in 517 days
posted 372 days ago
Hi Bob;
Neat.
What are you going to do if it doesn’t snow this year?
Lee
-- by Lee A. Jesberger http://www.prowoodworkingtips.com http://www.ezee-feed.com
Bob A in NJ
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337 posts in 537 days
posted 372 days ago
Hi guys, thanks for the interest. Here’s the link. http://www.ripcord.ws/
This plan is for a larger tennis ball thrower, I scaled it down to desk top version size. I’ve seen these made very small, built with toothpicks and very large made, built with logs and beams that can throw cars and pianos (I’m not kidding). Make your’s to suit your needs.
Karson, I wanted to make it to the pumpkin contest but the timing did not work for me. I did check out the web site and it looks like a ton of fun.
Lee, This year I’ll most likley make a potato cannon our of PVC pipe. These will shoot up to 100 yards with very little effort. Again, if you check our You Tuve and search under patato gun, you’ll see some amazing inventions of all sizes.
-- Bob A in NJ
mot
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4859 posts in 574 days
posted 372 days ago
That’s pretty cool, Bob. It started snowing here finally and I was just talking to my wife about building one of these to deter a nosy neighbor. Thanks for the link!
-- You can discover more about a person in an hour of play than in a year of conversation. (Plato)
Thos. Angle
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3432 posts in 500 days
posted 372 days ago
Neat play toy. The movies have created a lot of interest in these of late.
-- Thos. Angle, Owyhee Design, Oregon
David
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1830 posts in 676 days
posted 372 days ago
Bob -
Very cool and interesting project! The Boy Scouts build larger scale versions as part of their Pioneering Merit Badge. Last summer my son’s Pioneering class built one and used it to throw water soaked sponges at Scoutmasters rowing in a race on the lake.
-- http://foldingrule.blogspot.com
clieb91
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407 posts in 473 days
posted 372 days ago
Bob, Great project and a good size. My brother-in-law has been talking about building larger model, perhaps I will look at this size a as a good gift for him.
CtL
-- Chris L. "Don't Dream it, Be it."
MsDebbieP
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12282 posts in 698 days
posted 371 days ago
with all these projects in the works, maybe we’ll have a LJ contest as to distance thrown.
-- "Functional WoodArt" by Debbie, Canada (http://www.execulink.com/~yohan)
woodgrain411
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132 posts in 390 days
posted 369 days ago
Very cool , I could use that to return my neibors dog dropings !I seen a documenatry on building a trebuchet last year i think it was on the history channel it took them a few weeks to build , they used different lengths of rope to hit their target ! How accurate does it fire objects ?
-- I love this site !
Bob A in NJ
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337 posts in 537 days
posted 369 days ago
Woodgrain,
This one is real small and only shoots golf balls but it does shoot them consistently. I was aiming at stacks of paper cups arranged in a pyramid shape. It was easy to adjust for accuracy.
-- Bob A in NJ
miles125
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992 posts in 543 days
posted 369 days ago
This is cool. Woodwork is as much about ingenuity and engineering as it is about beauty. Thanks for posting!
-- miles125, Alabama.."Architecture is frozen music""
scottb
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3060 posts in 865 days
posted 369 days ago
that is a great project. I’d be curious to see how large of one I could make – that still keeps it’s projectiles safely in my backyard.
I never heard any follow up on this years contest Karson, Did the Yankee Siege (from my neck of the woods) fare well again this year? Did someone else take the crown this year?
-- I am always doing what I cannot do yet, in order to learn how to do it. - Pablo Picasso -- http://snbcreative.wordpress.com/
Buckskin
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483 posts in 525 days
posted 369 days ago
This has been on my list to make for years but needs projects have gotten in the way of my wants projects. One day…. Thanks for sharing yours!
Bob A in NJ
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337 posts in 537 days
posted 369 days ago
I have to admit, this IS a ton of fun. In the summer I plan to make a bigger one, about 5’ tal. , It will easily shoot tennis balls 100’.
-- Bob A in NJ
Karson
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13834 posts in 938 days
posted 368 days ago
Scott: I believe that they took it again. 1658.55 feet. It was a bad weekend. because the hurricane winds were blowing into the barrels of the cannons.
Here are the results for this year
A girl got hurt this year, a pumpkin went into the crowds about 5 feet from where I was standing. This family had lawn chairs all set out and the people couldn’t get out of the way. They were tripping over the chairs and BBQ.
-- Karson Southern Delaware karson_morrison@bigfoot.com
scottb
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3060 posts in 865 days
posted 368 days ago
Thanks for that link Karson. I’m kind of surprised that number two came in so far behind! Not bad for a local farmer who got into this on a whim!. I hope the bar gets raised for the next round of punkin chunkin, and there can be a closer competition. I hope they can keep things fun and safe moving forward, those machines can be real dangerous.
-- I am always doing what I cannot do yet, in order to learn how to do it. - Pablo Picasso -- http://snbcreative.wordpress.com/