How to build a trebuchet? - trebuchet blueprint
I'm in a group of citizens, and we grow pumpkins as a fundraiser. We typically a few hundred more and want to build a trebuchet. Is it hard and how long it takes to build a trebuchet big enough to launch a pumpkin £ 5 1 / 4 miles? What a little wood, the economic exploitation? I have to buy access to free wood rail, but must be other materials. Where can I find plans or drawings?
Sunday, January 31, 2010
Trebuchet Blueprint How To Build A Trebuchet?
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2 comments:
It is impossible to do, but would not be cheap.
Existing Home squash Trebsen comparison requires a machine * at least 50 feet high at the end of long road with a bundle of at least 40 yards and a counterbalance at least a ton. Axis of its frame and should be able to this large load with a safety factor, which is seen sometimes as a counterbalance to the support of 10-times available.
I have no idea what "Wooden Railway, but you would look at things, like 2x12 in size 20 to 30 meters for use in the frame.
It is too ambitious for a first attempt. Even the removal of half the desired distance is more than a handful.
You need to run a pumpkin about 400 feet. This means that you will need a launch velocity of 63 m / s or 140 miles per hour (assuming no air resistance, that is) at this speed is important. It takes about 4540 J to be distributed to your pumpkin if it weighs 5 pounds. It is a little more than a round of Winchester, 308 Off to their trebuchet will be offset, the size of a small house. And from the wood of any kind, can not resist the force, you need steel beams and securing good at least.
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