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.
  • RayBob
    You’re not just the only genuine channel, but you’re also the only one that’s not hurting the environment like the clone channels.
    Those buildings the copies make turn into insect huts in 2 days left to become disease filled ponds.
    I respect you
  • Eren Cansunar
    My dude’s literally progressing through ages by himself. Keep up the amazing work!!
  • Richard Wong
    I’d love to see more medieval-related projects, maybe like a hand cart or a sled of some sort, if making wheels is impractical in that environment
  • 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
  • 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.
  • 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! :)
  • 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 :)
  • 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.
  • Huge respect for all the effort you put into these videos. Absolutely love your content man. Never stop uploading!
  • 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
  • John Craig
    Still one of my favorite channels of all time. Thank you so much for sharing with us all.
  • 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
  • Drae
    This is the kinda technology I can get behind!
  • Munkle
    That looks like it was a lot of fun to both build and use, good stuff man
  • Ailsa Ni
    Still one of my favorite channels of all time. Thank you so much for sharing with us all.
  • I thought I'd make a trebuchet for some variety. Some points on the design, The basket hits the ground on purpose because it would slip off if allowed to swing due to the weak attachment method. This rough and ready design was already getting the range required for this clearing so I didn't bother making a stronger attachment point. In future maybe, I'll drill holes in the throwing arm to attach the basket and pivot point for a more sturdy design. This design is easily built and the viewer should be able to replicate it without trouble. (Also, the animal on the left of the screen at 7:29 is a scrub turkey for those who asked). Thanks.
  • You deserve all the love for making these videos and sharing it with us.