our weekend project, a trebuchet

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Project by mrmrezg posted 07-17-2014 02:24 AM 3014 views 4 times favorited 15 comments Add to Favorites Watch
our weekend project, a trebuchet
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I woke up saturday morning and asked my kids (son-12, daughter-9) what they wanted to do. As usual, neither of them had any idea on what they wanted to do. I began making suggestions, such as wash the trucks, run for mayor, kidnap a baby elephant, cut the grass…....some where in the mix i said, “build a catapult”. that is what they chose. Of course I have never built one of these, but i have watched pumpkin chunking’, so that makes me somewhat of an expert.

after a trip to Lowe’s and ~$45. we have a trebuchet that can throw a ball about 35 yards. we are still tuning it in and i think we can get 50+ out of it.

It is constructed using 6-2×4s (pink because, well, i have a 9yo daughter), 21” of 1.5” pipe and a cylinder head from a chevy 350.
it really was a fun weekend project.

15 comments so far

View triviasteve's profile


225 posts in 2479 days

#1 posted 07-17-2014 04:26 AM

awesome. now get ready for punkin’ chunkin’…

-- You know I'm on the level 'cause my bubble's in the middle.

View mIps's profile


200 posts in 2834 days

#2 posted 07-17-2014 04:32 AM

couldn’t work the mangonel, eh? ah, well. maybe next time.

-- Be honest, honorable, kind, work hard, and generally be awesome.

View mrmrezg's profile


16 posts in 2203 days

#3 posted 07-17-2014 04:33 AM

no, i don’t think we will ever be on that level, but this does make for a good time in the backyard.

View TheFridge's profile


10859 posts in 2265 days

#4 posted 07-17-2014 04:48 AM

“Hey son, go stand over there.”

Where dad?”

“Where the dirts churned up an pumpkin pieces are everywhere.”


“That’s ma boy.”

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View Lumberpunk's profile


334 posts in 3116 days

#5 posted 07-17-2014 02:01 PM

so sweet!

-- If someone tells you you have enough tools and don't need any more, stop talking to them, you don't need that kind of negativity in your life.

View ChrisK's profile


2046 posts in 3861 days

#6 posted 07-17-2014 02:10 PM

I built one two years ago for my sons cub scout pack. Toss water balloons at the boys. Lots of fun.

-- Chris K

View ChuckV's profile


3310 posts in 4306 days

#7 posted 07-17-2014 03:36 PM

That is great.

I also built one a few years ago:

I still laugh when I look back at that thread. Unfortunately, it looks like the comment by a LJ who claimed to be a lawyer (cr1) was removed. He explained how I could end up in prison with my life ruined. So far, we still have the trebuchet and I am still enjoying my freedom!

-- “Big man, pig man, ha ha, charade you are.” ― R. Waters

View RXCabinets's profile


10 posts in 2278 days

#8 posted 07-17-2014 03:39 PM

Yeah man! I built one for my son’s 5th birthday for water balloons as well. The kids in the neighborhood still remember that one even 10 years later. Some had the most fun helping with the launch end of it and the others enjoyed the catching end better, but no one was left out. I used a 50 pound weight from a weight bench the previous homeowner had left in the shed and was able to keep the center uprights closer together that way. I hear that the “modern” and more efficient way is to make the weight drop straight down. Behold, the floating arm trebuchet….

-- Thought is a bird of space, who, in a cage of words, can spread it's wings, but cannot fly

View mrmrezg's profile


16 posts in 2203 days

#9 posted 07-17-2014 04:24 PM

we hadn’t even considered using water balloons until sunday evening. but, that is what will be using next time.
as for the floating arm? well, i want this to be a learning experience for the kids. so, i started with something basic and plan to improve with the next, and the next, and the next….....

View Tim's profile


3859 posts in 2740 days

#10 posted 07-17-2014 05:16 PM

“Of course I have never built one of these, but i have watched pumpkin chunking’, so that makes me somewhat of an expert.”

Great quote and project with the kids.

View neverenougftackle's profile


195 posts in 2625 days

#11 posted 07-17-2014 06:10 PM

Now that was neet Mrmrezg !!!! RXCabinets I enjoyed watching those two young men put together and fire that Trebuchet. Out there in the snow, with all of that readily avaible, and packing ammunition.

View DiggerJ's profile


69 posts in 2315 days

#12 posted 07-17-2014 06:10 PM

It is a good day when two of the top four projects on the homepage are siege weapons! LOL

Does that mean that a battering ram can’t be far behind?

-- Digger -- If you work long enough and hard enough to make it idiot-proof...the world will build a better idiot!

View mcoyfrog's profile


4757 posts in 4373 days

#13 posted 07-17-2014 06:26 PM

Nice, gotta be lots-o-fun

-- Wood and Glass they kick (well you know) Have a great day - Dug

View ChrisK's profile


2046 posts in 3861 days

#14 posted 07-17-2014 06:39 PM

Any Ballistas out there?

-- Chris K

View hotncold's profile


788 posts in 2323 days

#15 posted 07-18-2014 01:56 AM

That – is – AWESOME! The kid’s LOVE these things!

-- Dennie - Tennessee

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