Instructables: exploring - play - siege-engines - featured http://www.instructables.com Tue, 22 Jul 2014 12:46:58 PDT BLOX v1.01 Trebuchet Project http://www.instructables.com/id/Trebuchet-Project/
Trebuchet Project - More DIY How To Projects]]> http://cdn.instructables.com/F31/VFCY/HV3ZT3Z3/F31VFCYHV3ZT3Z3.SQUARE2.jpg http://cdn.instructables.com/F31/VFCY/HV3ZT3Z3/F31VFCYHV3ZT3Z3.SQUARE.jpg http://cdn.instructables.com/F31/VFCY/HV3ZT3Z3/F31VFCYHV3ZT3Z3.SMALL.jpg mtairymd This project is currently being used for a middle school intro to engineering program. This project is pretty simple to build and just about any home improvement store will have the supplies. The kids are given the materials and the trebuchet drawing (see link in description). It takes the average g...
By: mtairymd

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Tue, 13 May 2014 18:37:54 PDT
Baking Soda and Vinegar Cannon http://www.instructables.com/id/Baking-Soda-and-Vinegar-Cannon/
Baking Soda and Vinegar Cannon - More DIY How To Projects]]> http://cdn.instructables.com/FB0/Z4IC/HUYLS4HX/FB0Z4ICHUYLS4HX.SQUARE2.jpg http://cdn.instructables.com/FB0/Z4IC/HUYLS4HX/FB0Z4ICHUYLS4HX.SQUARE.jpg http://cdn.instructables.com/FB0/Z4IC/HUYLS4HX/FB0Z4ICHUYLS4HX.SMALL.jpg DIY Hacks and How Tos Air cannons are an iconic DIY project. You can find a lot of great examples online. There are cannons that are powered by combustion and cannons that are powered by compressed air. They can be used to fire anything from golf balls, to water bottles, to candy. But in this project, we are doing somet...
By: DIY Hacks and How Tos

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Thu, 8 May 2014 19:40:22 PDT
Floating Arm Trebuchet http://www.instructables.com/id/Floating-Arm-Trebuchet/
Floating Arm Trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/F7G/YLFJ/HPZ0VXX0/F7GYLFJHPZ0VXX0.SQUARE2.jpg http://cdn.instructables.com/F7G/YLFJ/HPZ0VXX0/F7GYLFJHPZ0VXX0.SQUARE.jpg http://cdn.instructables.com/F7G/YLFJ/HPZ0VXX0/F7GYLFJHPZ0VXX0.SMALL.jpg scull_mech This is a general description of how to create a floating arm (f2k) trebuchet. A f2k trebuchet has an arm that rides on wheels, which roll forward on rails, while the weight bar running through the arm falls down in a vertical groove. (Watch plenty of YouTube videos to understand the motion of this ...
By: scull_mech

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Sat, 4 Jan 2014 01:16:59 PST
How to Make a Vacuum Cannon http://www.instructables.com/id/How-to-Make-a-Vacuum-Cannon/ http://cdn.instructables.com/FO9/G8GY/HHJOC5XS/FO9G8GYHHJOC5XS.SQUARE2.jpg http://cdn.instructables.com/FO9/G8GY/HHJOC5XS/FO9G8GYHHJOC5XS.SQUARE.jpg http://cdn.instructables.com/FO9/G8GY/HHJOC5XS/FO9G8GYHHJOC5XS.SMALL.jpg NightHawkInLight A vacuum cannon is an interesting physics demonstration that shows how much atmospheric pressure there is at the earths surface, though we do not feel it because our bodies have the same amount of pressure both inside and out. By removing air pressure from inside of a length of pipe the balance with...
By: NightHawkInLight

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Tue, 4 Jun 2013 22:21:11 PDT
Tiny Catapults! http://www.instructables.com/id/Tiny-Catapults/
Tiny Catapults! - More DIY How To Projects]]> http://cdn.instructables.com/FRA/06J0/HDHW5A5K/FRA06J0HDHW5A5K.SQUARE2.jpg http://cdn.instructables.com/FRA/06J0/HDHW5A5K/FRA06J0HDHW5A5K.SQUARE.jpg http://cdn.instructables.com/FRA/06J0/HDHW5A5K/FRA06J0HDHW5A5K.SMALL.jpg pariahcycle Construct your own miniature siege engines! What you'll need. 1. A couple of nasty looking boards. 2. A 1/2" diameter dowel. 3. A short piece of a 2x2. 4. A length of thin rope. 5. Two 1" wood screws. 6. A 1/2" drill bit. 7. A 3/4" spade bit. 8. A drill or drill press. 9. A table saw or circular ...
By: pariahcycle

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Wed, 27 Feb 2013 11:37:52 PST
How to Make a Coaxial Air Cannon http://www.instructables.com/id/How-to-Make-a-Coaxial-Air-Cannon/ http://cdn.instructables.com/FZ3/VMR0/HCB8RFBS/FZ3VMR0HCB8RFBS.SQUARE2.jpg http://cdn.instructables.com/FZ3/VMR0/HCB8RFBS/FZ3VMR0HCB8RFBS.SQUARE.jpg http://cdn.instructables.com/FZ3/VMR0/HCB8RFBS/FZ3VMR0HCB8RFBS.SMALL.jpg NightHawkInLight This video shows how I make a compact 2" bore air cannon with a coaxial piston valve. To understand how these valves work examine the third animation in the following link: http://www.spudfiles.com/forums/piston-valves-explained-visually-t8157.html I also go into more detail of how these cannons fun...
By: NightHawkInLight

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Tue, 29 Jan 2013 15:22:12 PST
Giant Trebuchet http://www.instructables.com/id/Giant-Trebuchet/
Giant Trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/FKL/JQFE/HAQ31958/FKLJQFEHAQ31958.SQUARE2.jpg http://cdn.instructables.com/FKL/JQFE/HAQ31958/FKLJQFEHAQ31958.SQUARE.jpg http://cdn.instructables.com/FKL/JQFE/HAQ31958/FKLJQFEHAQ31958.SMALL.jpg Ganhaar Make a giant trebuchet in less than a day with a couple of trees, some rope and a few other easily found parts.   Best made in a paddock with plenty of room for hurling and a tractor with a loader will make it easy to get the throwing arm onto the support frame. Prepare Materials Actions require...
By: Ganhaar

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Tue, 8 Jan 2013 05:41:50 PST
Make a desktop trebuchet http://www.instructables.com/id/Make-a-desktop-trebuchet/
Make a desktop trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/FLP/HE2Z/HA5M7KQ8/FLPHE2ZHA5M7KQ8.SQUARE2.jpg http://cdn.instructables.com/FLP/HE2Z/HA5M7KQ8/FLPHE2ZHA5M7KQ8.SQUARE.jpg http://cdn.instructables.com/FLP/HE2Z/HA5M7KQ8/FLPHE2ZHA5M7KQ8.SMALL.jpg dustinandrews A trebuchet is a gravity powered catapult. This one is my own design. It's made to be laser cut (or scroll sawed) out of 1/8th MDF or plywood. This kit is an intermediate difficulty. There are lots of parts to glue and some need to be lined up by hand. It takes me about 30 minutes to go from a pile...
By: dustinandrews

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Mon, 3 Dec 2012 19:59:25 PST
Portable pumpkin catapult http://www.instructables.com/id/Portable-pumpkin-catapult/
Portable pumpkin catapult - More DIY How To Projects]]> http://cdn.instructables.com/F9Q/OQJX/H91LGJWU/F9QOQJXH91LGJWU.SQUARE2.jpg http://cdn.instructables.com/F9Q/OQJX/H91LGJWU/F9QOQJXH91LGJWU.SQUARE.jpg http://cdn.instructables.com/F9Q/OQJX/H91LGJWU/F9QOQJXH91LGJWU.SMALL.jpg meikj #next_pages_container { width: 5px; hight: 5px; position: absolute; top: -100px; left: -100px; z-index: 2147483647 !important; } I built this catapult (actually a trebuchet) based on an article in Make Magazine by William Gurstelle.  It worked extremely well!  Was able to launch basketballs 80 - ...
By: meikj

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Tue, 6 Nov 2012 10:48:38 PST
30 Minute Desk Catapult (I made it at TechShop) http://www.instructables.com/id/30-Minute-Desk-Catapult-I-made-it-at-TechShop/
30 Minute Desk Catapult (I made it at TechShop) - More DIY How To Projects]]> http://cdn.instructables.com/F0F/TZL2/H4AFZIP5/F0FTZL2H4AFZIP5.SQUARE2.jpg http://cdn.instructables.com/F0F/TZL2/H4AFZIP5/F0FTZL2H4AFZIP5.SQUARE.jpg http://cdn.instructables.com/F0F/TZL2/H4AFZIP5/F0FTZL2H4AFZIP5.SMALL.jpg madaro Here's my guide on how to build a small catapult out of simple wood scraps. Once you have the parts, you could be 30 minutes away from flinging small objects at friends, family, and coworkers!  TechShop Website Materials All measurements are approximate. Also, the picture has extras of some mate...
By: madaro

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Mon, 9 Jul 2012 18:56:38 PDT
Backyard Ballistics http://www.instructables.com/id/Backyard-Ballistics/ http://cdn.instructables.com/FFZ/BYH9/H2WEZDK4/FFZBYH9H2WEZDK4.SQUARE2.jpg http://cdn.instructables.com/FFZ/BYH9/H2WEZDK4/FFZBYH9H2WEZDK4.SQUARE.jpg http://cdn.instructables.com/FFZ/BYH9/H2WEZDK4/FFZBYH9H2WEZDK4.SMALL.jpg mikeasaurus TAKE COVER! Potato cannons, rockets, and explosions; does it get any better than this? I think not. Backyard Ballistics is a collection of creations made by the Instructables community around all things dangerous. We've got net guns, fire breathing and firework making. Of course, we also have severa...
By: mikeasaurus

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Tue, 19 Jun 2012 15:10:28 PDT
Hand Held Ballista http://www.instructables.com/id/Hand-Held-Ballista/
Hand Held Ballista - More DIY How To Projects]]> http://cdn.instructables.com/FUF/1QHC/H27LSJ7C/FUF1QHCH27LSJ7C.SQUARE2.jpg http://cdn.instructables.com/FUF/1QHC/H27LSJ7C/FUF1QHCH27LSJ7C.SQUARE.jpg http://cdn.instructables.com/FUF/1QHC/H27LSJ7C/FUF1QHCH27LSJ7C.SMALL.jpg sphsengineering We are building a Torsion powered bow (Ballista) for our siege engine project. It is set up as a bullet crossbow, with the option of firing bolts with the use of a removable track. Our plan is to build it to fit within the specifications of our 18x18x18 size limit out of wood and string or modern el...
By: sphsengineering

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Wed, 23 May 2012 14:30:36 PDT
Mini Siege Engines http://www.instructables.com/id/Mini-Siege-Engines/
Mini Siege Engines - More DIY How To Projects]]> http://cdn.instructables.com/FZC/PA0N/H19RT1K9/FZCPA0NH19RT1K9.SQUARE2.jpg http://cdn.instructables.com/FZC/PA0N/H19RT1K9/FZCPA0NH19RT1K9.SQUARE.jpg http://cdn.instructables.com/FZC/PA0N/H19RT1K9/FZCPA0NH19RT1K9.SMALL.jpg WYE_Lance Ah catapults - a classic and exciting engineering project that introduces students to fundamental ideas in physics and engineering like energy transformation, trajectory, and structural strength. Simple Catapult To fire: Load the projectile Firmly hold down the front of the cata...
By: WYE_Lance

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Mon, 30 Apr 2012 11:54:36 PDT
Trebuchet business card - Trebucard http://www.instructables.com/id/Trebuchet-business-card-Trebucard/
Trebuchet business card - Trebucard - More DIY How To Projects]]> http://cdn.instructables.com/FO1/3Q3R/GZ5NTLE5/FO13Q3RGZ5NTLE5.SQUARE2.jpg http://cdn.instructables.com/FO1/3Q3R/GZ5NTLE5/FO13Q3RGZ5NTLE5.SQUARE.jpg http://cdn.instructables.com/FO1/3Q3R/GZ5NTLE5/FO13Q3RGZ5NTLE5.SMALL.jpg clide The Trebucard is a business card sized mini trebuchet. It is designed to fire jumbo paper clips and uses 16 pennies as a counter-weight. Unlike a traditional trebuchet the Trebucard uses the surface it is resting on as a pivot rather than being mounted on a frame. See a demonstration of the card he...
By: clide

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Tue, 28 Feb 2012 09:10:30 PST
Versatile Multi-shot Pneumatic Cannon http://www.instructables.com/id/Versatile-Multi-shot-Pneumatic-Cannon/
Versatile Multi-shot Pneumatic Cannon - More DIY How To Projects]]> http://cdn.instructables.com/FIQ/FKUM/GYR369ME/FIQFKUMGYR369ME.SQUARE2.jpg http://cdn.instructables.com/FIQ/FKUM/GYR369ME/FIQFKUMGYR369ME.SQUARE.jpg http://cdn.instructables.com/FIQ/FKUM/GYR369ME/FIQFKUMGYR369ME.SMALL.jpg radicalnegative1 One of the major drawbacks of making and operating a pneumatic cannon is the need for a new air charge for each shot. This need for re-pressurization of one's cannon can really eat up a lot of time and cut into the fun factor of a day of spudding, chunking, flinging etc. In order to maximize the "u...
By: radicalnegative1

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Sun, 19 Feb 2012 11:00:28 PST
MouseTrap Catapult http://www.instructables.com/id/MouseTrap-Catapultp/
MouseTrap Catapult - More DIY How To Projects]]> http://cdn.instructables.com/FW0/QSM0/GXL5OODD/FW0QSM0GXL5OODD.SQUARE2.jpg http://cdn.instructables.com/FW0/QSM0/GXL5OODD/FW0QSM0GXL5OODD.SQUARE.jpg http://cdn.instructables.com/FW0/QSM0/GXL5OODD/FW0QSM0GXL5OODD.SMALL.jpg JoshBar Here is a mouse trap catapult designed for safety and economy. We designed and built it for our project management class. It has a simple design and is easy to construct (we built it in about ten minutes). It has a healthy range for it's size and is fun to fire. Parts needed One mouse trap-- Eigh...
By: JoshBar

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Fri, 20 Jan 2012 11:04:58 PST
How to Make a Trebuchet http://www.instructables.com/id/How-to-Make-a-Trebuchet/
How to Make a Trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/FDV/NA7A/GS3BDM45/FDVNA7AGS3BDM45.SQUARE2.jpg http://cdn.instructables.com/FDV/NA7A/GS3BDM45/FDVNA7AGS3BDM45.SQUARE.jpg http://cdn.instructables.com/FDV/NA7A/GS3BDM45/FDVNA7AGS3BDM45.SMALL.jpg howtowithmanish Hi Guys :) Please rate this Instructable and follow me if you liked it. Thank you. :) Here is a Simple Way to Build a Trebuchet. A trebuchet is a siege engine that was used in the Middle Ages to fling projectile of up to 140 pounds at enemy structures. Please Rate this Instructable and follow me ...
By: howtowithmanish

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Sun, 4 Sep 2011 11:40:11 PDT
Howitzer Potato Cannon http://www.instructables.com/id/Howitzer-Potato-Cannon/
Howitzer Potato Cannon - More DIY How To Projects]]> http://cdn.instructables.com/FD7/I7JI/GLFUDFWL/FD7I7JIGLFUDFWL.SQUARE2.jpg http://cdn.instructables.com/FD7/I7JI/GLFUDFWL/FD7I7JIGLFUDFWL.SQUARE.jpg http://cdn.instructables.com/FD7/I7JI/GLFUDFWL/FD7I7JIGLFUDFWL.SMALL.jpg Flagella Please vote for this Instructable in the Epilog Laser Challenge! This is a two part Instructable designed to demonstrate how to construct 1) A hybrid potato cannon capable of accelerating a projectile to supersonic speeds and 2) A cannon mount that resembles a WWII Howitzer field piece. This is ab...
By: Flagella

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Sun, 20 Mar 2011 19:29:08 PDT
Trebuchet of the large variety (a work in progress), 4.28.07 update http://www.instructables.com/id/Trebuchet-of-the-large-variety-a-work-in-progress/
Trebuchet of the large variety (a work in progress), 4.28.07 update - More DIY How To Projects]]> http://cdn.instructables.com/FWV/8X7G/F04FMXC1/FWV8X7GF04FMXC1.SQUARE2.jpg http://cdn.instructables.com/FWV/8X7G/F04FMXC1/FWV8X7GF04FMXC1.SQUARE.jpg http://cdn.instructables.com/FWV/8X7G/F04FMXC1/FWV8X7GF04FMXC1.SMALL.jpg StepsoftheSun This is my second wooden, hanging counterweight trebuchet and the first well-documented one. It will be bolted together from many self-designed and self-constructed components, each about six feet in length. Hopefully, that strategy will allow for some degree of siege mobility and make fixing bro...
By: StepsoftheSun

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Mon, 9 Apr 2007 16:57:06 PDT
Cheap/Easy Rubber Band Powered Launcher! 100m+ http://www.instructables.com/id/CheapEasy-Rubber-Band-Powered-Launcher-100m/
Cheap/Easy Rubber Band Powered Launcher! 100m+ - More DIY How To Projects]]> http://cdn.instructables.com/F89/GHO3/GQQ5KMRP/F89GHO3GQQ5KMRP.SQUARE2.jpg http://cdn.instructables.com/F89/GHO3/GQQ5KMRP/F89GHO3GQQ5KMRP.SQUARE.jpg http://cdn.instructables.com/F89/GHO3/GQQ5KMRP/F89GHO3GQQ5KMRP.SMALL.jpg son of s8an This is a rubber band powered launcher that can fire over 100m (330ft) depending on the quality of the finished product and the ammunition used. I will try to add a video of it in use sometime soon. This is my first instructable, i am sorry for any flaws and blurry photos. I take no responsibility...
By: son of s8an

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Sun, 31 Jul 2011 03:21:15 PDT
Popsicle-Stick Catapault http://www.instructables.com/id/Popsicle-Stick-Catapault/
Popsicle-Stick Catapault - More DIY How To Projects]]> http://cdn.instructables.com/FCQ/BTXS/GQB4X9KS/FCQBTXSGQB4X9KS.SQUARE2.jpg http://cdn.instructables.com/FCQ/BTXS/GQB4X9KS/FCQBTXSGQB4X9KS.SQUARE.jpg http://cdn.instructables.com/FCQ/BTXS/GQB4X9KS/FCQBTXSGQB4X9KS.SMALL.jpg zjschafer Using popsicle sticks and hot glue, this Instructable will show you how to create your very own easy to make catapault. This is my signature design and I made it all in just 15-20 minutes ! TIP: Ensure to add extra glue to segmented pieces to reenforce its structure and to prevent it from breaking ...
By: zjschafer

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Fri, 22 Jul 2011 07:35:25 PDT
"The Insensible" - a counterweight trebuchet http://www.instructables.com/id/The-Insensible-a-counterweight-trebuchet/
"The Insensible" - a counterweight trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/FAZ/9L4J/GQ2216ZJ/FAZ9L4JGQ2216ZJ.SQUARE2.jpg http://cdn.instructables.com/FAZ/9L4J/GQ2216ZJ/FAZ9L4JGQ2216ZJ.SQUARE.jpg http://cdn.instructables.com/FAZ/9L4J/GQ2216ZJ/FAZ9L4JGQ2216ZJ.SMALL.jpg squiggy2 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 plot the annexation of number 5. The first hurdle to overcome was getting past the formidable defences - a 6-foot high wooden fence with reinforced gate....
By: squiggy2

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Wed, 13 Jul 2011 10:41:52 PDT
Cardboard Trebuchet http://www.instructables.com/id/Cardboard-Trebuchet/
Cardboard Trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/F5D/TB7J/G9GQIPS2/F5DTB7JG9GQIPS2.SQUARE2.jpg http://cdn.instructables.com/F5D/TB7J/G9GQIPS2/F5DTB7JG9GQIPS2.SQUARE.jpg http://cdn.instructables.com/F5D/TB7J/G9GQIPS2/F5DTB7JG9GQIPS2.SMALL.jpg sphsengineering Welcome to our Instructable! We will be creating a Cardboard Trebuchet! Please visit our schools engineering website www.sphsengineering.com This was done as a engineering class project, and we had a set of rules to go by. 1. The trebuchet had to be made entirely of cardboard. For the parts that ...
By: sphsengineering

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Tue, 25 May 2010 11:13:35 PDT
Mini Clothespin Catapult And Crossbow http://www.instructables.com/id/Mini-clothespin-catapult/
Mini Clothespin Catapult And Crossbow - More DIY How To Projects]]> http://cdn.instructables.com/FFS/QC9X/GP7IHWP4/FFSQC9XGP7IHWP4.SQUARE2.jpg http://cdn.instructables.com/FFS/QC9X/GP7IHWP4/FFSQC9XGP7IHWP4.SQUARE.jpg http://cdn.instructables.com/FFS/QC9X/GP7IHWP4/FFSQC9XGP7IHWP4.SMALL.jpg vishalapr A few days ago I went to a local supermarket and I saw that a whole pack of 50 clothespins costs only 3zl(1$) so I decided to buy those as I could make a lot of things from them and they were cheap! So after a bit of thinking I came up with this catapult and crossbow that I made from only 19 clothe...
By: vishalapr

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Sat, 9 Jul 2011 04:12:19 PDT
The Curiously Strong Trebuchet: A Pocket Sized Medieval Siege Engine http://www.instructables.com/id/The-Curiously-Strong-Trebuchet-A-Pocket-Sized-Me/
The Curiously Strong Trebuchet: A Pocket Sized Medieval Siege Engine - More DIY How To Projects]]> http://cdn.instructables.com/FJO/QYU5/FXA2Z9J9/FJOQYU5FXA2Z9J9.SQUARE2.jpg http://cdn.instructables.com/FJO/QYU5/FXA2Z9J9/FJOQYU5FXA2Z9J9.SQUARE.jpg http://cdn.instructables.com/FJO/QYU5/FXA2Z9J9/FJOQYU5FXA2Z9J9.SMALL.jpg Ethanal The Curiously Strong Trebuchet is a miniature trebuchet designed in a way such that it can be disassembled and stored in an Altoids tin. It uses standard materials like wood, threaded metal rods, and other hardware. It also uses common tools most every hobbyist would have in their garage. For th...
By: Ethanal

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Fri, 17 Jul 2009 17:38:35 PDT
Launch It: Torsion Spring Catapult http://www.instructables.com/id/Launch-It%3a-Torsion-Spring-Catapult/
Launch It: Torsion Spring Catapult - More DIY How To Projects]]> http://cdn.instructables.com/FU4/PURA/F54HJ9RD/FU4PURAF54HJ9RD.SQUARE2.jpg http://cdn.instructables.com/FU4/PURA/F54HJ9RD/FU4PURAF54HJ9RD.SQUARE.jpg http://cdn.instructables.com/FU4/PURA/F54HJ9RD/FU4PURAF54HJ9RD.SMALL.jpg i make shooting things True catapult that uses a extremely tightly wound string to power it, it fits in the palm of your hand, it cost under $20. all supplies can be purchased at Michaels. fires small foam objects 40 feet aprox 1053 feet to scale, about 7.5FPS when firing a 14g weight (twice the weight of the catapult its...
By: i make shooting things

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Thu, 16 Aug 2007 10:31:55 PDT
Pocket Catapult http://www.instructables.com/id/Pocket-Catapult/
Pocket Catapult - More DIY How To Projects]]> http://cdn.instructables.com/FPP/YERR/GOHMAWBP/FPPYERRGOHMAWBP.SQUARE2.jpg http://cdn.instructables.com/FPP/YERR/GOHMAWBP/FPPYERRGOHMAWBP.SQUARE.jpg http://cdn.instructables.com/FPP/YERR/GOHMAWBP/FPPYERRGOHMAWBP.SMALL.jpg MrF_DT_teacher Hi There, I've been toying around with wooden peg ideas using elastic bands to give them grip when it dawned on me. The same principle could be used to create a really simple and really small catapult. So here it is, a step by step guide to make the worlds simplest catapult. Ive used 3D models dra...
By: MrF_DT_teacher

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Sun, 5 Jun 2011 13:45:07 PDT
Quick-n-Dirty Trebuchet http://www.instructables.com/id/Quick-n-Dirty-Trebuchet/
Quick-n-Dirty Trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/FMI/AN47/F5R8MQQP/FMIAN47F5R8MQQP.SQUARE2.jpg http://cdn.instructables.com/FMI/AN47/F5R8MQQP/FMIAN47F5R8MQQP.SQUARE.jpg http://cdn.instructables.com/FMI/AN47/F5R8MQQP/FMIAN47F5R8MQQP.SMALL.jpg SFHandyman No Tools, No Drilling, No Cutting, No Lumber, No Saw, No Hardware, No Need to wait for your allowance, Super Easy, Super Cheap, Fast Build.You probably already have everything necessary to build this Trebuchet in your house right now.It's made out of:9 Chopsticks*2 Toothpicks3/4" or larger masking t...
By: SFHandyman

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Sat, 25 Aug 2007 07:53:58 PDT
Easy Backyard Catapult for Hero Dads http://www.instructables.com/id/Easy-Backyard-Catapult-for-Hero-Dads/
Easy Backyard Catapult for Hero Dads - More DIY How To Projects]]> http://cdn.instructables.com/FYD/AILP/GKAYXWO9/FYDAILPGKAYXWO9.SQUARE2.jpg http://cdn.instructables.com/FYD/AILP/GKAYXWO9/FYDAILPGKAYXWO9.SQUARE.jpg http://cdn.instructables.com/FYD/AILP/GKAYXWO9/FYDAILPGKAYXWO9.SMALL.jpg bgepp1 This is a catapult (ala torsion style) I built inspired from the video a contributor named schoondogs posted.  His catapult looked simple enough so I thought I'd make a step-by-step with some improvements (that's the American way right? - and the Japanese way for that matter).  I am not a master cra...
By: bgepp1

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Sat, 19 Feb 2011 22:12:46 PST
Build A Net Gun http://www.instructables.com/id/Build-A-Net-Gun/
Build A Net Gun - More DIY How To Projects]]> http://cdn.instructables.com/FB9/OQ5H/FP8NLCNV/FB9OQ5HFP8NLCNV.SQUARE2.jpg http://cdn.instructables.com/FB9/OQ5H/FP8NLCNV/FB9OQ5HFP8NLCNV.SQUARE.jpg http://cdn.instructables.com/FB9/OQ5H/FP8NLCNV/FB9OQ5HFP8NLCNV.SMALL.gif crispyjones I will show you how to build a net gun out of materials available at any big box home improvement store. This net gun is capable of firing a 90 square foot net 15 to 25 feet using 80-100 psi of compressed air. The net is reusable, assuming your prey doesn't destroy or run off with it. The launcher ...
By: crispyjones

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Mon, 29 Dec 2008 09:18:56 PST
Scout Project: How to build a Trebuchet http://www.instructables.com/id/Scout-Project-Trebuchets-Pioneering/
Scout Project: How to build a Trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/F01/0X7K/G7DY78ZZ/F010X7KG7DY78ZZ.SQUARE2.jpg http://cdn.instructables.com/F01/0X7K/G7DY78ZZ/F010X7KG7DY78ZZ.SQUARE.jpg http://cdn.instructables.com/F01/0X7K/G7DY78ZZ/F010X7KG7DY78ZZ.SMALL.jpg Biggsy So for whatever reason, the front page of my Instructable is blank... after me writing (in my opinion) a pretty cool opening... Damnation! Well... lets try this again huh? Well... welcome to the second installment of my Scout projects... In this Instructable, I shall try to show you wonderful peopl...
By: Biggsy

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Thu, 8 Apr 2010 12:05:53 PDT
Christmas Cannon http://www.instructables.com/id/Christmas-Cannon/
Christmas Cannon - More DIY How To Projects]]> http://cdn.instructables.com/FUL/0JM6/FOWZO87M/FUL0JM6FOWZO87M.SQUARE2.jpg http://cdn.instructables.com/FUL/0JM6/FOWZO87M/FUL0JM6FOWZO87M.SQUARE.jpg http://cdn.instructables.com/FUL/0JM6/FOWZO87M/FUL0JM6FOWZO87M.SMALL.jpg fungus amungus Decorating stuff for the holidays takes way too much time. You have to string stuff up and attach this shiny thing to that thing and it blows. That's why the best way to get into the Christmas spirit as fast as possible is with a Christmas Cannon. The Christmas Cannon is a pneumatic cannon that is ...
By: fungus amungus

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Fri, 19 Dec 2008 11:10:31 PST
How to Make a Medieval Trebuchet Out of Cardboard http://www.instructables.com/id/How-to-Make-a-Medieval-Trebuchet-Out-of-Cardboard/
How to Make a Medieval Trebuchet Out of Cardboard - More DIY How To Projects]]> http://cdn.instructables.com/FFX/WHW9/FXHJYFED/FFXWHW9FXHJYFED.SQUARE2.jpg http://cdn.instructables.com/FFX/WHW9/FXHJYFED/FFXWHW9FXHJYFED.SQUARE.jpg http://cdn.instructables.com/FFX/WHW9/FXHJYFED/FFXWHW9FXHJYFED.SMALL.jpg ineverfinishanyth Of all the Medieval siege engines, the Trebuchet was by far the most accurate and complex. Trebuchets were capable of throwing 350 pound objects over castle walls. While in this Instructable we won't be making a Trebuchet with that much firing power, the design I will show you is capable of throwing...
By: ineverfinishanyth

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Fri, 24 Jul 2009 21:05:20 PDT
Pocket Sized Minty Catapult http://www.instructables.com/id/Pocket-Sized-Minty-Catapult/
Pocket Sized Minty Catapult - More DIY How To Projects]]> http://cdn.instructables.com/FOX/9C96/FWMNUHNU/FOX9C96FWMNUHNU.SQUARE2.jpg http://cdn.instructables.com/FOX/9C96/FWMNUHNU/FOX9C96FWMNUHNU.SQUARE.jpg http://cdn.instructables.com/FOX/9C96/FWMNUHNU/FOX9C96FWMNUHNU.SMALL.jpg scooter76 This is my entry for the pocket size contest. This neat little catapult will launch mints or other fun projectiles in a medieval and discrete manner. It only takes about 10 minutes to build, and is really fun. Enjoy. Materials and Tools All the materials and tools you need for this project can b...
By: scooter76

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Tue, 7 Jul 2009 15:17:58 PDT
Cardapult, Quicker and Easier Method http://www.instructables.com/id/Cardapult-Quicker-and-Easier-Method/
Cardapult, Quicker and Easier Method - More DIY How To Projects]]> http://cdn.instructables.com/FA7/4D7D/FTM73J5J/FA74D7DFTM73J5J.SQUARE2.jpg http://cdn.instructables.com/FA7/4D7D/FTM73J5J/FA74D7DFTM73J5J.SQUARE.jpg http://cdn.instructables.com/FA7/4D7D/FTM73J5J/FA74D7DFTM73J5J.SMALL.jpg clide A lot of people have been making my business card catapult as just a fun little toy to play with and don't really need it to look clean and pretty. It can also sometimes be difficult to glue the cards together well enough that they don't fall apart. For this reason I have made a simplified construct...
By: clide

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Wed, 22 Apr 2009 11:14:49 PDT
Catapults http://www.instructables.com/id/Catapults/ http://cdn.instructables.com/F7R/B8LC/FNZA85A1/F7RB8LCFNZA85A1.SQUARE2.jpg http://cdn.instructables.com/F7R/B8LC/FNZA85A1/F7RB8LCFNZA85A1.SQUARE.jpg http://cdn.instructables.com/F7R/B8LC/FNZA85A1/F7RB8LCFNZA85A1.SMALL.jpg mg0930mg Dating back to thousands of years ago, catapults have always been a useful tool. Everyone loves catapults. Kids make them at science fairs, and adults make them, for the fun of it. Now you can use this catapult guide to win that science fair, or knock down your neighbor's house. Wooden Desktop ...
By: mg0930mg

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Wed, 26 Nov 2008 16:56:04 PST
Pedal Powered Tennis Ball Launcher http://www.instructables.com/id/Pedal-Powered-Tennis-Ball-Launcher/ http://cdn.instructables.com/FK3/9PLQ/FHJMR28Q/FK39PLQFHJMR28Q.SQUARE2.jpg http://cdn.instructables.com/FK3/9PLQ/FHJMR28Q/FK39PLQFHJMR28Q.SQUARE.jpg http://cdn.instructables.com/FK3/9PLQ/FHJMR28Q/FK39PLQFHJMR28Q.SMALL.jpg engineerable Both cleanly powered and built from 2 recycled bicycles, scrap steel and wood, leaking 5 gallon water jug and a lacross stick, our pedal powered tennis ball launcher was created as a unique entry for the innovate or die pedal powered machine contest. It allows players varying in skill levels to prac...
By: engineerable

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Wed, 18 Jun 2008 10:41:33 PDT
How to Build a Catapult http://www.instructables.com/id/How-To-Build-A-Catapult/
How to Build a Catapult - More DIY How To Projects]]> http://cdn.instructables.com/F8G/9Q3U/FDO2986Y/F8G9Q3UFDO2986Y.SQUARE2.jpg http://cdn.instructables.com/F8G/9Q3U/FDO2986Y/F8G9Q3UFDO2986Y.SQUARE.jpg http://cdn.instructables.com/F8G/9Q3U/FDO2986Y/F8G9Q3UFDO2986Y.SMALL.jpg T3h_Muffinator There are already a few large-scale Trebuchet Instructables out there, but for the low-tech medieval enthusiasts, here is the first large-scale catapult Instructable!This was constructed during my internship @ Instructables this past summer, with DerangedMoose7, Tetranitrate, and noahwOh, and if yo...
By: T3h_Muffinator

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Wed, 12 Mar 2008 03:43:58 PDT
Launch It: The Paper Catapult. http://www.instructables.com/id/Launch-It%3a-The-Paper-Catapult./
Launch It: The Paper Catapult. - More DIY How To Projects]]> http://cdn.instructables.com/FXX/9H8O/FDO296X7/FXX9H8OFDO296X7.SQUARE2.jpg http://cdn.instructables.com/FXX/9H8O/FDO296X7/FXX9H8OFDO296X7.SQUARE.jpg http://cdn.instructables.com/FXX/9H8O/FDO296X7/FXX9H8OFDO296X7.SMALL.jpg Kiteman Give all your classmates or co-workers copies of the template - declare war over lunchtime... Materials and tools This is a cut-out-and-make Instructable.You need a copy of the template (I work to A4), a cocktail stick, scissors and a glue-stick to make each catapult (though sticky tape may be us...
By: Kiteman

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Sat, 18 Aug 2007 13:20:09 PDT
Wooden Desktop Trebuchet http://www.instructables.com/id/Wooden-Desktop-Trebuchet/
Wooden Desktop Trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/FYZ/08YP/Y5REPD7RBLM/FYZ08YPY5REPD7RBLM.SQUARE2.jpg http://cdn.instructables.com/FYZ/08YP/Y5REPD7RBLM/FYZ08YPY5REPD7RBLM.SQUARE.jpg http://cdn.instructables.com/FYZ/08YP/Y5REPD7RBLM/FYZ08YPY5REPD7RBLM.SMALL.jpg AcceptableRisk The trebuchet is a medieval invention originally designed to lay siege to fortresses and castles. The largest of them could hurl immense stones hundreds of yards. Now you can have one to play with in your own home. The whole device stands about foot tall when unloaded and flings various things ten f...
By: AcceptableRisk

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Tue, 11 Jul 2006 00:54:10 PDT
How to Enter the Launch It! Challenge http://www.instructables.com/id/How-to-Enter-the-Launch-It!-Challenge/
How to Enter the Launch It! Challenge - More DIY How To Projects]]> http://cdn.instructables.com/F1T/IWCO/F54HMF2G/F1TIWCOF54HMF2G.SQUARE2.jpg http://cdn.instructables.com/F1T/IWCO/F54HMF2G/F1TIWCOF54HMF2G.SQUARE.jpg http://cdn.instructables.com/F1T/IWCO/F54HMF2G/F1TIWCOF54HMF2G.SMALL.jpg Contest Robot We're launching our Instructables Store, and what better way to celebrate than by hurling things through the air?Join us, and Launch It!How? Model rockets. Trebuchets. Marshmallow guns. Potato cannons. Slingshots. Catapults. Air pressure. Water pressure. Explosives. Rubber bands. Muscles....
By: Contest Robot

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Tue, 14 Aug 2007 14:50:01 PDT
The Office supplies trebuchet http://www.instructables.com/id/The-Office-supplies-trebuchet/
The Office supplies trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/FV5/TLG7/T9MEP280IM7/FV5TLG7T9MEP280IM7.SQUARE2.jpg http://cdn.instructables.com/FV5/TLG7/T9MEP280IM7/FV5TLG7T9MEP280IM7.SQUARE.jpg http://cdn.instructables.com/FV5/TLG7/T9MEP280IM7/FV5TLG7T9MEP280IM7.SMALL.jpg Scissorman Bored at work? Build your own 3" trebuchet out of paperclips and throw balls of blu-tac up to an amazing 4 feet. WOW!!Please excuse the number of steps. It is really easy and can be made within an hour and from bits lying around the office, hence very cheaply. The tools and materials list You wil...
By: Scissorman

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Thu, 1 Jun 2006 16:54:23 PDT