"Give me a place to stand and I will move the earth." Archimedes.
What at first appears a shameless boast by the ancient Greek mathematician
and inventor, Archimedes, is really a respectful deference to the power
of leverage or, as it is also called, mechanical advantage.
Of course, he would also need a lever and fulcrum of astronomical proportions,
but his statement clearly illustrates his faith in physics and simple machines.
This engraving depicts Archimedes using a Class I Lever to lift a globe
of the earth.
In reality, the Claw of Archimedes employed levers to lift and break
Roman ships during the Siege of Syracuse.
an Archimedes Water Screw in just one night with our easy, step by step
plans and instructions.
Invented in Egypt by the ancient Greek mathematician Archimedes , the
Archimedes Screw , or water screw , as it is commonly known, was used for
irrigation and lifting water from mines and ship bilges. The water
screw works wonderfully for science and history class assignments and science
Easy to Build
All TrebuchetStore.com plans use common, inexpensive and easy to find
building materials, available at your local hardware store or home center.
Basic skills and tools are required, but the straightforward designs require
no complicated layout or joinery.
TrebuchetStore.com plans come complete with:
• Parts Shopping List
• Measured Drawings for all parts
• Assembly Drawings
• Step by step Assembly Instructions
• Step by step Operating Instructions
All the information you need to complete your project quickly and easily.
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|Do It Yourself Working Model Trebuchet Kit
The trebuchet kit includes fully precut and drilled
frame parts, pins and axles, sling cord and sewn pouch, projectiles and
fully illustrated assembly and firing instructions.
U.S. Orders Only
Unlike the flimsy, snap together plywood trebuchet
kits, our all hardwood trebuchet kit does not require additional cutting,
trimming or shaping.
This DIY Trebuchet Kit requires only white carpenter's
glue and a few bar clamps (not included) to assemble.
|Fully Assembled Working Model Trebuchet
Item # T4
Inspired by the great war machines and siege catapults of Leonardo da Vinci
, this all Red Oak
hardwood trebuchet features
an open counterweight cabinet for range and trajectory adjustment.
U.S. Orders Only
Fire with an empty counterweight for indoor use, or add weight (nuts,
bolts, scrap lead, iron or steel, sand, or small rocks – not included)
for increased range.
Individually crafted from cabinet-grade red oak, the da Vinci Trebuchet
stands 14 inches tall in the cocked position, 24 inches tall in the fired
position and will hurl a projectile up to 60 feet. Includes six projectiles
and fully illustrated instructions.
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Archimedes - Archimedes Lever "Give me a place to stand
and I will move the earth."
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