Check the listing for details. Working Model da Vinci Spring Catapult Plans and Instructions Woodworking Plans. Condition: New. Listed at 12.95 USD. Normal 0 false false false EN-US X-NONE X-NONE Plans and Instructions Only - No Materials Included Working Model da Vinci Spring Catapult Complete Step by Step Plans and Instructions Easy to Build Design from Leonardo da Vinci Notebook Plans and Instructions Only - No Materials Included da Vinci Spring Catapult Plans Build a Working Model Spring Catapult with TrebuchetStore.com da Vinci Spring Catapult Plans and Instructions. Once complete, this scale model catapult is over 18 inches long 12 inches wide and 24 inches high. Professional Design Professionally engineered, this Spring Catapult is based on Leonardo da Vinci’s own design and updated for ease of construction and operation. Great Project da Vinci’s Spring Catapult is an interesting study in catapult design. Most ancient catapults used either tension or torsion for motive force. Leonardo’s spring catapult uses tension, converted to torsion, to launch its projectile. The Spring Catapult is perfect for demonstrating ancient design and technology as well as the physics of tension, torsion, and basic machines. The da Vinci Catapult makes a great science or history project. Easy to Build Like all TrebuchetStore.com plans, the Spring Catapult uses common, inexpensive and easy to find building materials, available at your local hardware store or home center. Basic woodworking skills and tools are required, but the straightforward design requires no complicated layout or joinery. Spring Catapult Plans come complete with: • Parts Shopping List • Measured Drawings for all parts • Full Size, Cutout Template for the Catapult’s Ratchet • Assembly Drawings • Step by step Assembly Instructions • Step by step Firing and Tuning Instructions We provide all the information you need to complete your project quickly and easily. Want to know how to build a spring catapult? TrebuchetStore.com da Vinci Catapult Plans and Instructions take the mystery out of catapult design and construction. TrebuchetStore.com Plan Number CP2 READ THIS WARNING: The completed Spring Catapult is not a toy and should never be operated without responsible, adult supervision. When firing the da Vinci Spring Catapult, use only soft projectiles, in an open area, where there is no chance of the projectile, or other moving parts hitting anything, or anyone, either directly, or indirectly. The sale and any subsequent use of these plans is without warranty or liability. APPLICATION AND LICENSE OF TREBUCHETSTORE.COM PLANS Purchase of our TrebuchetStore.com Plans grants the customer a single license for personal, non-business use. TrebuchetStore.com products are protected by United States Copyright Law. You may not modify, duplicate, sell, rent, lease, loan, distribute or create derivative works based on information provided in whole or in part. Any reproductions or modifications by means now known or hereafter invented, without the express written consent of TrebuchetStore.com is strictly prohibited and will be prosecuted to the fullest extent of the law. These documents could include technical or other inaccuracies or typographical errors. TrebuchetStore.com, its agents, owners, or officers assumes no liability whatsoever for errors or omissions in these documents and reserves the right to make changes at any time. No warranty of any kind, including warranty of fitness for a particular use is given or implied with these plans and instructions. Use of these plans and instructions constitutes an agreement that the author and distributor have no liability for their application.