http://www.instructables.com Sat, 25 May 2013 05:42:28 PDT BLOX v1.01 http://www.instructables.com/id/Mini-Siege-Engines/
Mini Siege Engines - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FZC/PA0N/H19RT1K9/FZCPA0NH19RT1K9.SQUARE2.jpg http://www.instructables.com/files/deriv/FZC/PA0N/H19RT1K9/FZCPA0NH19RT1K9.SQUARE.jpg http://www.instructables.com/files/deriv/FZC/PA0N/H19RT1K9/FZCPA0NH19RT1K9.SMALL.jpg WYE_Lance Ah catapults - possibly the most engaging and exciting project to introduce students to some fundamental ideas in physics and engineering. Stored energy, trajectory, the value of density in projectiles, and of course firing stuff across the room - so much to learn, and yet so much fun to be had! ...
By: WYE_Lance

Continue Reading »]]> Mon, 30 Apr 2012 11:54:36 PDT http://www.instructables.com/id/Mini-clothespin-catapult/
Mini Clothespin Catapult And Crossbow - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FFS/QC9X/GP7IHWP4/FFSQC9XGP7IHWP4.SQUARE2.jpg http://www.instructables.com/files/deriv/FFS/QC9X/GP7IHWP4/FFSQC9XGP7IHWP4.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sat, 9 Jul 2011 04:12:19 PDT 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

Continue Reading »]]> Thu, 16 Aug 2007 10:31:55 PDT http://www.instructables.com/id/Pocket-Catapult/
Pocket Catapult - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FPP/YERR/GOHMAWBP/FPPYERRGOHMAWBP.SQUARE2.jpg http://www.instructables.com/files/deriv/FPP/YERR/GOHMAWBP/FPPYERRGOHMAWBP.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sun, 5 Jun 2011 13:45:07 PDT