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Lindsey over the road has a big back yard. My family as been coveting his land for some time now. Finally I decided enough is enough, and began to plo...
The trebuchet is a siege engine that was employed in the Middle Ages, both by the Muslims and the Christians, and did not become obsolete until the 13...
Materials - Recycled Wood - Lots of screws, bolts and nuts - PVA wood glue - Gang nails - Steel pipe + bars - PVC pipe - Lead-lighting solder - Wheel...
The base was made up of two A-frames, each 1.85m tall, which would lean towards each other when assembled.
The arm was originaly 3 metres long. One metre below the axel and two above. (Later an extra metre was added to the long end). Medieval French trebuch...
X braces To stop the frame from skewing side to side, we needed to brace each A-frame against the other. Considerations were taken to keep the brace ...
120kg was deemed the correct counterweight to still be manageable, while maintaining awesomeness. Note: now that the weights have actually been made, ...
Peggy used her amazing sewing skills to sew a square of fabric around a length af rope so that it could be slid up and down the rope as adjusted the s...
After a test run, and horrifying results, it was decided that the trebuchet needed wheels to reduce the stress on the structure, and keep it from comp...
It was very dificult to design a firing mechanism that could hold 120kg, release quickly, and be able to be released by a human under the weight of 12...
Here is the finished product! This is my first instructible - I hope you like it, and I welcome comments on how I can make future instuructibl...
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Jul 13, 2011
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