Primitive Technology: Trebuchet

Published 2022-08-04
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About This Video:
I built a trebuchet, a type of catapult that uses a counter weight to store gravitational potential energy which is then used to fire a projectile via a sling. I first built the frame which was made of two tripods set close together. They were of wood and lashed together with cane. Then I made a basket from cane to hold the large rocks that would act as the counterweight. For the sling I used bark fiber from dead branches of a certain type of tree. The bark was stripped and the inner bark woven into rope. The rope was then made into a sling using 2 knots and thinner rope was used to weave the sling pouch. A simple toggle release was used hold the throwing arm in position and act as the trigger. The counter weight was then filled with rocks and pulled into position to be held by the toggle. A shot-put sized stone was then placed into the sling pouch. When the toggle was released the stone would be launched 18- 20 meters (the length of the clearing) but could undoubtedly shoot further if more weight was added. Targets were set up and destroyed. Range can be adjusted by adding or subtracting weight from the basket, while shooting to the left or right is done by turning the whole catapult while the basket is empty. The whole build took 5 weeks, the hardest part being collecting the bark fiber to make the rope. The trebuchet is a simple but effective way to deliver payloads to a target destination.

About Primitive Technology:
Primitive technology is a hobby where you build things in the wild completely from scratch using no modern tools or materials. These are the strict rules: If you want a fire, use a fire stick - An axe, pick up a stone and shape it - A hut, build one from trees, mud, rocks etc. The challenge is seeing how far you can go without utilizing modern technology. I do not live in the wild, but enjoy building shelter, tools, and more, only utilizing natural materials. To find specific videos, visit my playlist tab for building videos focused on pyrotechnology, shelter, weapons, food & agriculture, tools & machines, and weaving & fiber.

#PrimitiveTechnology #Trebuchet #Catapult

All Comments (21)
  • Dork Forge
    Well, it looks like he finally changed tactics and is now going for a military victory.

    This is incredibly impressive!
  • "The world's in a rough place."
    "Come on, it's not that bad."
    "Primitive tech guy is preparing for war."
  • Manuel R.
    I love the fact that he called his targets "Barbarian encampment", "Tax-dodging village" and "Neighboring kingdom".
    Just little details that add flavor when you least expect it.
    Awesome stuff.
  • Eren Cansunar
    My dude’s literally progressing through ages by himself. Keep up the amazing work!!
  • Battlehammer
    This is awesome. The fact that it simply works isn't as impressive to me, as it's a proven technology and physics does what physics does. But the fact that it seemingly held up through many shots without issues (I assume) is very cool and shows real engineering skill. I would love to see a bigger version.
  • Themaster4969
    The hunting trebuchet is truly one of histories most forgotten iconic methods of survival. The sabertoothed rhinoceros truly had no idea what hit it.
  • Xaroz
    how did he go from: "weaving sandals" and "planting sweet potatoes" to "extracting iron out of the earth to make a knife" and "medieval siege machines". thank you for being so incredible Sir.Plant
  • Holy shit, this guy’s going through it all. He’ll probably be able to make a primitive carriage to carry more supplies, maybe make paper, and possibly expand on the iron making to create an axe (I think he said he was originally planning to do that but the iron was too brittle for something that large)

    This is like one of my favorite types of Anthropologists, the type who don’t just talk about it but actively try it out to see how exactly it felt to do, how long it took, to know personally. Who research what techniques were used, think “alright, let’s see what I can do with the surrounding area and see if I can use that specific technique.” Its so cool!!!
  • The sound of the impact is scarily satisfying, there is a lot of energy in the system, despite the fact that it looks rather small at first glance.
    As always, very impressive what a man with determination an pacience can achieve.
  • Drae
    This is the kinda technology I can get behind!
  • MR. PIIN
    Could you also mention in the captions the species of trees and plants you use? Often the plants seem quite tropical, so it would be cool to know what they are :)
  • Ieuan Mills
    A friendly reminder to all that Mr Plant here runs one of the few legitimate primitive building YouTube channels. He's an OG, and everything you see him do is real and done entirely by hand. I have watched and enjoyed his content for years! :)
  • Sur Som Satan
    The genuine OG of primitive tech who doesn't have a hidden crew and modern machinery off camera.

    This is a gem of a channel
  • Fico muito feliz em ver você fazendo seus vídeos novamente 🇧🇷🇧🇷🇧🇷
  • Love the variety! Definitely did not expect this, which makes it so much better.
  • Fesh
    I really appreciate and am truly impressed by what you've done throughout your videos. I rewatched all videos from the last start, and became suddenly amazed when i realised that its all building up to eachother and how you showcased each advancement of primitive technology that was crucial to be able to do stuff like casting iron ore into a knife. You are truly awsome
  • Dave Smith
    Your ingenuity amazes me! I like this video. I liked the ones on pottery, tile and brick firing the most though. I have watched all your stuff (subbed for 2 years) and have to watch them all. Again and again.
  • John Craig
    Still one of my favorite channels of all time. Thank you so much for sharing with us all.
  • No shouts of excitement when hitting the target, just silent admiration of your work. Perfection