Instructables: exploring - play - siege-engines http://www.instructables.com Fri, 22 Aug 2014 21:01:15 PDT BLOX v1.01 crossbow bolt http://www.instructables.com/id/crossbow-bolt-1/
crossbow bolt - More DIY How To Projects]]> http://cdn.instructables.com/FQ4/JKHG/HZ2IUGQX/FQ4JKHGHZ2IUGQX.SQUARE2.jpg http://cdn.instructables.com/FQ4/JKHG/HZ2IUGQX/FQ4JKHGHZ2IUGQX.SQUARE.jpg http://cdn.instructables.com/FQ4/JKHG/HZ2IUGQX/FQ4JKHGHZ2IUGQX.SMALL.jpg theCreatorofepicness after I finished my crossbow i needed bolts but I couldn't find any good instructions that would fit on my crossbow so I decided to make my own bolts. Things needed: You will need:- gluegun- scissors- duct tape- screws- crossbow- straws The shaft cut your straw to the desired length. my bolts...
By: theCreatorofepicness

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Wed, 20 Aug 2014 07:56:03 PDT
crossbow bolt http://www.instructables.com/id/crossbow-bolt/
crossbow bolt - More DIY How To Projects]]> http://cdn.instructables.com/F7S/WDDN/HZ2IVZHO/F7SWDDNHZ2IVZHO.SQUARE2.jpg http://cdn.instructables.com/F7S/WDDN/HZ2IVZHO/F7SWDDNHZ2IVZHO.SQUARE.jpg http://cdn.instructables.com/F7S/WDDN/HZ2IVZHO/F7SWDDNHZ2IVZHO.SMALL.jpg theCreatorofepicness after I finished my crossbow i needed bolts but I couldn't find any good instructions that would fit on my crossbow so I decided to make my own bolts. Things needed: You will need:- gluegun- scissors- duct tape- screws- crossbow- straws The shaft cut your straw to the desired length. my bolts...
By: theCreatorofepicness

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Wed, 20 Aug 2014 07:55:21 PDT
3d print catapult http://www.instructables.com/id/3d-print-catapult/
3d print catapult - More DIY How To Projects]]> http://cdn.instructables.com/FT9/34OT/HYO8HRLH/FT934OTHYO8HRLH.SQUARE2.jpg http://cdn.instructables.com/FT9/34OT/HYO8HRLH/FT934OTHYO8HRLH.SQUARE.jpg http://cdn.instructables.com/FT9/34OT/HYO8HRLH/FT934OTHYO8HRLH.SMALL.jpg siegypf 3d print catapultWheels are attached with #8 or #6 machine screws, partially threaded. The rest is printed on a 3d FFF printer.The body comes in two halves so you do not need supports.Print the launcher on its side with support under the arm. This puts the filaments as hoops to increase strength...
By: siegypf

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Sun, 10 Aug 2014 11:43:53 PDT
Spitball Launcher http://www.instructables.com/id/Spitball-Launcher-1/
Spitball Launcher - More DIY How To Projects]]> http://cdn.instructables.com/F53/OA6Z/HYE5VO10/F53OA6ZHYE5VO10.SQUARE2.jpg http://cdn.instructables.com/F53/OA6Z/HYE5VO10/F53OA6ZHYE5VO10.SQUARE.jpg http://cdn.instructables.com/F53/OA6Z/HYE5VO10/F53OA6ZHYE5VO10.SMALL.jpg hmbmideas Today I will show you how to make a little spitball launcher . Little but effective weapon it is very practical . Anyway let's get started .All you need is those things that you use to clean keyboard . Voila that is all you need Remove Cap Remove the cap Put The Barrell Thingy On Put the Barr...
By: hmbmideas

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Sat, 2 Aug 2014 12:34:47 PDT
School DT projects: Model Roman catapult http://www.instructables.com/id/How-to-make-a-model-Roman-catapult/
School DT projects: Model Roman catapult - More DIY How To Projects]]> http://cdn.instructables.com/FQZ/AS1W/HY21WFQ4/FQZAS1WHY21WFQ4.SQUARE2.jpg http://cdn.instructables.com/FQZ/AS1W/HY21WFQ4/FQZAS1WHY21WFQ4.SQUARE.jpg http://cdn.instructables.com/FQZ/AS1W/HY21WFQ4/FQZAS1WHY21WFQ4.SMALL.jpg timcaird A while ago, I started making projects for teaching in school which were manageable, fun and educational. The first project we made was this model Roman catapult. Since making it, a number of teachers and students have asked for instructions for how to make it, so here we go!Please note: If you're...
By: timcaird

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Sat, 26 Jul 2014 00:36:40 PDT
Fast And Easy Crossbow http://www.instructables.com/id/Fast-And-Easy-Crossbow/
Fast And Easy Crossbow - More DIY How To Projects]]> http://cdn.instructables.com/FO5/8F0F/HWHZJO9G/FO58F0FHWHZJO9G.SQUARE2.jpg http://cdn.instructables.com/FO5/8F0F/HWHZJO9G/FO58F0FHWHZJO9G.SQUARE.jpg http://cdn.instructables.com/FO5/8F0F/HWHZJO9G/FO58F0FHWHZJO9G.SMALL.jpg gr8nesisme In this step by step how to. Im showing you how to make a crossbow nor big nor small. Materials One 5" by 1" by 1/2 piece of wood i just estimating so your pieces dont have to be exact Two 1cm or 1/2 in screwsOne 1in screwOne 7-8" by 1/4" or less piece of wood Cutting The Guide We're going to ...
By: gr8nesisme

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Sat, 14 Jun 2014 19:10:28 PDT
Viking Catapult http://www.instructables.com/id/Viking-Catapult-1/
Viking Catapult - More DIY How To Projects]]> http://cdn.instructables.com/FLJ/9KU7/HVWTJKJ3/FLJ9KU7HVWTJKJ3.SQUARE2.jpg http://cdn.instructables.com/FLJ/9KU7/HVWTJKJ3/FLJ9KU7HVWTJKJ3.SQUARE.jpg http://cdn.instructables.com/FLJ/9KU7/HVWTJKJ3/FLJ9KU7HVWTJKJ3.SMALL.jpg Seaborn Have you ever wanted to lay siege to a midieval castle? Your neighbors desk at school? Or the office next to you at work? Well now you can with the Viking catapult!WARNING! I am no responsible for injuries do not shoot at the eyes. Use common sense people! Gather Materials Materials:- bamboo stic...
By: Seaborn

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Sun, 1 Jun 2014 19:49:41 PDT
PVC Trebuchet http://www.instructables.com/id/PVC-Trebuchet/
PVC Trebuchet - More DIY How To Projects]]> http://cdn.instructables.com/FEG/04O2/HVJDW51G/FEG04O2HVJDW51G.SQUARE2.jpg http://cdn.instructables.com/FEG/04O2/HVJDW51G/FEG04O2HVJDW51G.SQUARE.jpg http://cdn.instructables.com/FEG/04O2/HVJDW51G/FEG04O2HVJDW51G.SMALL.jpg alomba2014 This is a trebuchet designed for a 40ish pound counterweight and launches a golf ball, baseball, or similar sized object. It may be used to siege a PVC castle.Materials:3/4 inch PVC:6' 9" - 45' - 44' 4 1/2" - 26" - 67" - 42" - 61 inch PVC:2 1/2" - 81" - 263" - 6Rope:7' - 26' - 14' - 15' - 110' - 1s...
By: alomba2014

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Fri, 23 May 2014 06:57:49 PDT
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
Mouse trap catapult for 4$ http://www.instructables.com/id/Mouse-trap-catapult-for-4/
Mouse trap catapult for 4$ - More DIY How To Projects]]> http://cdn.instructables.com/FUH/15K0/HV3ZNAQI/FUH15K0HV3ZNAQI.SQUARE2.jpg http://cdn.instructables.com/FUH/15K0/HV3ZNAQI/FUH15K0HV3ZNAQI.SQUARE.jpg http://cdn.instructables.com/FUH/15K0/HV3ZNAQI/FUH15K0HV3ZNAQI.SMALL.jpg oleishman this is a simple cheap mouse trap catapult capable of shooting extreamly far please vote and enjoy first drill a hole just in front of the trigger bar tie the end of your string securely to the hole and cut it a hands length away test this set up a few times to check the knots and adjust...
By: oleishman

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Sun, 11 May 2014 23:00:56 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
How To Make Auto-Igniting Fire Arrows http://www.instructables.com/id/How-To-Make-Auto-Igniting-Fire-Arrows/
How To Make Auto-Igniting Fire Arrows - More DIY How To Projects]]> http://cdn.instructables.com/F9Z/5YEY/HURHN7P7/F9Z5YEYHURHN7P7.SQUARE2.jpg http://cdn.instructables.com/F9Z/5YEY/HURHN7P7/F9Z5YEYHURHN7P7.SQUARE.jpg http://cdn.instructables.com/F9Z/5YEY/HURHN7P7/F9Z5YEYHURHN7P7.SMALL.jpg NightHawkInLight I was thinking to myself a while ago that it would be really cool if I could launch steel wool high into the air to create a fiery comet effect. As I was pouring over ideas I thought, why not just make fire arrows? It turned out to be quite simple.
By: NightHawkInLight

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Sat, 3 May 2014 16:27:10 PDT
Make A Flamethrower Out Of Lighter http://www.instructables.com/id/Make-A-Flamethrower-Out-Of-Lighter/
Make A Flamethrower Out Of Lighter - More DIY How To Projects]]> http://cdn.instructables.com/F46/9PVS/HSHDS5M2/F469PVSHSHDS5M2.SQUARE2.jpg http://cdn.instructables.com/F46/9PVS/HSHDS5M2/F469PVSHSHDS5M2.SQUARE.jpg http://cdn.instructables.com/F46/9PVS/HSHDS5M2/F469PVSHSHDS5M2.SMALL.jpg gr8nesisme Making The Flame Higher Get a clear lighter. Then take the top off of it. Take the nob on the front side of lighter and turn it ccw (counterclockwise) Pull The Flame Starter Push down on the flame starter Warning It is not my fault if you get your hair or head on fire. The flame goes up hi...
By: gr8nesisme

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Fri, 7 Mar 2014 11:30:09 PST
Simple PVC slingshot for pennies http://www.instructables.com/id/Simple-PVC-slingshot-for-pennies/
Simple PVC slingshot for pennies - More DIY How To Projects]]> http://cdn.instructables.com/FS7/1IXK/HS9YBW6L/FS71IXKHS9YBW6L.SQUARE2.jpg http://cdn.instructables.com/FS7/1IXK/HS9YBW6L/FS71IXKHS9YBW6L.SQUARE.jpg http://cdn.instructables.com/FS7/1IXK/HS9YBW6L/FS71IXKHS9YBW6L.SMALL.jpg Robsnot Spring is springing and what's a better way to get the kids outside than giving them toys and pushing them out the door? This is a low-powered slingshot, and when used with the recommended wine cork ammo, it is still possible, but difficult, for someone to get hurt. A slingshot is a slingshot - a ...
By: Robsnot

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Sun, 2 Mar 2014 13:00:50 PST
How to Make a PVC Bow and Arrow http://www.instructables.com/id/How-to-Make-a-PVC-Bow-and-Arrow/
How to Make a PVC Bow and Arrow - More DIY How To Projects]]> http://cdn.instructables.com/F4D/6PAA/HRPBJIKX/F4D6PAAHRPBJIKX.SQUARE2.jpg http://cdn.instructables.com/F4D/6PAA/HRPBJIKX/F4D6PAAHRPBJIKX.SQUARE.jpg http://cdn.instructables.com/F4D/6PAA/HRPBJIKX/F4D6PAAHRPBJIKX.SMALL.jpg Duct-Tape-Master This is my tutorial on how to make a PVC bow and arrow. This, like a couple of my other projects was made mainly out of my boredom. I get bored a lot and therefore have a few random instructables. Sorry that I haven't posted for a while, I was getting my floors redone and could not be in my home for...
By: Duct-Tape-Master

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Sat, 15 Feb 2014 17:14:04 PST
pen cannon (miny) http://www.instructables.com/id/pen-cannon-miny/
pen cannon (miny) - More DIY How To Projects]]> http://cdn.instructables.com/FYR/N0WI/HQQIKFNR/FYRN0WIHQQIKFNR.SQUARE2.jpg http://cdn.instructables.com/FYR/N0WI/HQQIKFNR/FYRN0WIHQQIKFNR.SQUARE.jpg http://cdn.instructables.com/FYR/N0WI/HQQIKFNR/FYRN0WIHQQIKFNR.SMALL.jpg pyrobossVII first start with a pen. duh. (easiest to build is a G2 pen) dismantle. take apart every thing you can EVEN THE SPRING in order to take the insides out you need to take the ink holder and pres hard down on the back. reassembly (sorry if incorrect spelling occurs) now you should have this 1 inse...
By: pyrobossVII

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Wed, 22 Jan 2014 18:49:58 PST
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
Tennis Ball canon/mortar http://www.instructables.com/id/Tennis-Ball-canonmortar/
Tennis Ball canon/mortar - More DIY How To Projects]]> http://cdn.instructables.com/F4C/4VTV/HPEFX83O/F4C4VTVHPEFX83O.SQUARE2.jpg http://cdn.instructables.com/F4C/4VTV/HPEFX83O/F4C4VTVHPEFX83O.SQUARE.jpg http://cdn.instructables.com/F4C/4VTV/HPEFX83O/F4C4VTVHPEFX83O.SMALL.jpg Osmannoueiry In this project, we constructed a tennis ball mortar cannon.  We made some minor modifications to improve the quality of the cannon. One of these modifications was making the first hole smaller so more energy from the lighter fluid is focused all onto the tennis ball. 1.  You will need to find...
By: Osmannoueiry

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Thu, 19 Dec 2013 16:04:35 PST
Mini Bow And Quiver http://www.instructables.com/id/Mini-Bow-And-Quiver/
Mini Bow And Quiver - More DIY How To Projects]]> http://cdn.instructables.com/FRE/JV9V/HP7I526Q/FREJV9VHP7I526Q.SQUARE2.jpg http://cdn.instructables.com/FRE/JV9V/HP7I526Q/FREJV9VHP7I526Q.SQUARE.jpg http://cdn.instructables.com/FRE/JV9V/HP7I526Q/FREJV9VHP7I526Q.SMALL.jpg Paracordaholic I was on one day and found a instructible for a mini steampunked bow by iceshphere so I decided to make my own, enjoy.DISCLAIMER: Do NOT shoot at anyone or animals, could cause minor injuries. null First I will explain how I made the quiver. I took 3 30, 30 shells and electrical taped them toget...
By: Paracordaholic

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Sat, 14 Dec 2013 16:00:17 PST
Build a crossbow for an awesome lesson on Newton's Laws! http://www.instructables.com/id/Build-a-crossbow-for-an-awesome-lesson-on-Newtons-/
Build a crossbow for an awesome lesson on Newton's Laws! - More DIY How To Projects]]> http://cdn.instructables.com/FUM/ZSXF/HN82P0EN/FUMZSXFHN82P0EN.SQUARE2.jpg http://cdn.instructables.com/FUM/ZSXF/HN82P0EN/FUMZSXFHN82P0EN.SQUARE.jpg http://cdn.instructables.com/FUM/ZSXF/HN82P0EN/FUMZSXFHN82P0EN.SMALL.jpg laboratorymike In this instructable, we are going to build a crossbow that can launch 3-foot sections of 1/2" PVC pipe up to 30 feet! The crossbow will have about 40 lbs. of force (tested using a luggage scale), and can be adjusted down to 20 lbs. so that students can see the effect of different amounts of force. ...
By: laboratorymike

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Sat, 26 Oct 2013 17:23:25 PDT
Homemade Catapult http://www.instructables.com/id/Homemade-Catapult/ http://cdn.instructables.com/FPS/0RL1/HMMF8P04/FPS0RL1HMMF8P04.SQUARE2.jpg http://cdn.instructables.com/FPS/0RL1/HMMF8P04/FPS0RL1HMMF8P04.SQUARE.jpg http://cdn.instructables.com/FPS/0RL1/HMMF8P04/FPS0RL1HMMF8P04.SMALL.jpg ajensen19 A relatively easy to make homemade catapult made out of wood, screws, string, and twigs. Procedure: 1. Take four pieces of wood and put them together into a box shape as shown to form the platform which everything else mounts onto. 2. Put two pieces of wood sticking up from the wooden base and on...
By: ajensen19

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Mon, 14 Oct 2013 19:56:25 PDT
PVC Air Cannon http://www.instructables.com/id/PVC-Air-Cannon-2/ http://cdn.instructables.com/FZH/0ZBL/HLA0YPZS/FZH0ZBLHLA0YPZS.SQUARE2.jpg http://cdn.instructables.com/FZH/0ZBL/HLA0YPZS/FZH0ZBLHLA0YPZS.SQUARE.jpg http://cdn.instructables.com/FZH/0ZBL/HLA0YPZS/FZH0ZBLHLA0YPZS.SMALL.jpg Alex and Joey Productions We made this Air Cannon just for the fun of it.  It was very fun to make and are trying to improve on it. We are 14 years old so if you have any suggestions for improvements please leave them in the comments! We will try to answer any questions about our creations.
By: Alex and Joey Productions

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Fri, 6 Sep 2013 18:25:28 PDT
Bamboo/Knex CANNON http://www.instructables.com/id/BambooKnex-CANNON/ http://cdn.instructables.com/F2U/VJJ7/HKZAVYN3/F2UVJJ7HKZAVYN3.SQUARE2.jpg http://cdn.instructables.com/F2U/VJJ7/HKZAVYN3/F2UVJJ7HKZAVYN3.SQUARE.jpg http://cdn.instructables.com/F2U/VJJ7/HKZAVYN3/F2UVJJ7HKZAVYN3.SMALL.jpg sinhiman This a cannon I made one day when I was bored it runs on quarter stick firecrackers and NOTHING else P.S. the duck tape is required if you don't want it to blow apart like a microwave with C4 in it.
By: sinhiman

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Sat, 31 Aug 2013 17:22:51 PDT
Compressed Air Tennis Ball Mortar http://www.instructables.com/id/Compressed-Air-Tennis-Ball-Mortar/
Compressed Air Tennis Ball Mortar - More DIY How To Projects]]> http://cdn.instructables.com/FJF/0KM1/HKPX90TL/FJF0KM1HKPX90TL.SQUARE2.jpg http://cdn.instructables.com/FJF/0KM1/HKPX90TL/FJF0KM1HKPX90TL.SQUARE.jpg http://cdn.instructables.com/FJF/0KM1/HKPX90TL/FJF0KM1HKPX90TL.SMALL.jpg clobber24 After making several small compressed air cannons I decided to make a Tennis Ball Mortar. This project can be a little bit expensive depending on where you buy you supplies. I would suggest going to a Home Depot or Lowe's because Ace is a little bit pricey. Getting Ready Items you will need: 5 ft...
By: clobber24

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Sat, 24 Aug 2013 20:49:59 PDT
Popsicle Stick Catapult http://www.instructables.com/id/Popsicle-Stick-Catapult-1/
Popsicle Stick Catapult - More DIY How To Projects]]> http://cdn.instructables.com/FK4/KWR7/HKHTDL8J/FK4KWR7HKHTDL8J.SQUARE2.jpg http://cdn.instructables.com/FK4/KWR7/HKHTDL8J/FK4KWR7HKHTDL8J.SQUARE.jpg http://cdn.instructables.com/FK4/KWR7/HKHTDL8J/FK4KWR7HKHTDL8J.SMALL.jpg sshhood24 Throwing Arm To make this I used extended joints to make it longer, and I cut 3 sticks in half to make the head wider for when I add the basket Another View Of Arm Triangle Side Supports Again I used joints to extend the piece. But when it comes to the angle you make it you can just eyeba...
By: sshhood24

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Sun, 18 Aug 2013 05:13:19 PDT
Trebuchet Catapult using only fast food straws - Straw Builder Project #3 http://www.instructables.com/id/Trebuchet-Catapult-using-only-fast-food-straws-S/
Trebuchet Catapult using only fast food straws - Straw Builder Project #3 - More DIY How To Projects]]> http://cdn.instructables.com/FEG/Z7VD/HJKBTYF7/FEGZ7VDHJKBTYF7.SQUARE2.jpg http://cdn.instructables.com/FEG/Z7VD/HJKBTYF7/FEGZ7VDHJKBTYF7.SQUARE.jpg http://cdn.instructables.com/FEG/Z7VD/HJKBTYF7/FEGZ7VDHJKBTYF7.SMALL.jpg mszymczak Video Link of Trebuchet in action:  http://youtu.be/y33fps70F4o.  Roughly 15' shot across the hallway. During the Middle Ages, a Trebuchet was the ultimate siege weapon.  Let's see if we can replicate some of its basic functionality using nothing more than fast food straws.  When complete, just a...
By: mszymczak

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Thu, 15 Aug 2013 14:28:24 PDT
How to Build a Trebuchet http://www.instructables.com/id/How-to-Build-a-Trebuchet-1/ http://cdn.instructables.com/FNB/HAN4/HJKBZ2E1/FNBHAN4HJKBZ2E1.SQUARE2.jpg http://cdn.instructables.com/FNB/HAN4/HJKBZ2E1/FNBHAN4HJKBZ2E1.SQUARE.jpg http://cdn.instructables.com/FNB/HAN4/HJKBZ2E1/FNBHAN4HJKBZ2E1.SMALL.jpg Sam DeRose Trebuchets are easy to make and they can toss objects incredibly far! Check out these cool posts that show you how to build a trebuchet! null null null null null null null null null null null null null null null null null null ...
By: Sam DeRose

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Mon, 29 Jul 2013 14:32:07 PDT
Cannon http://www.instructables.com/id/Cannon-3/
Cannon - More DIY How To Projects]]> http://cdn.instructables.com/F8Q/DQHO/HJKBS2C3/F8QDQHOHJKBS2C3.SQUARE2.jpg http://cdn.instructables.com/F8Q/DQHO/HJKBS2C3/F8QDQHOHJKBS2C3.SQUARE.jpg http://cdn.instructables.com/F8Q/DQHO/HJKBS2C3/F8QDQHOHJKBS2C3.SMALL.jpg gator829 Disclaimer I and not responsible for anything you do with this if you get hurt that's your fault not mine you can not sue me but other wise enjoy ** caution do not over load cannon and stand back when firing as to not get hit if it goes flying or explodes because you over loaded with powder *** I do...
By: gator829

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Fri, 26 Jul 2013 18:29:16 PDT
Miniature Medieval Crossbow http://www.instructables.com/id/Miniature-Medieval-Crossbow/
Miniature Medieval Crossbow - More DIY How To Projects]]> http://cdn.instructables.com/FG5/7N7L/HJ5ZQU5C/FG57N7LHJ5ZQU5C.SQUARE2.jpg http://cdn.instructables.com/FG5/7N7L/HJ5ZQU5C/FG57N7LHJ5ZQU5C.SQUARE.jpg http://cdn.instructables.com/FG5/7N7L/HJ5ZQU5C/FG57N7LHJ5ZQU5C.SMALL.jpg nonenaught Homemade miniature medieval crossbow with metal prod, no elastic here. also has a micro rolling nut trigger mechanism, this is very powerful for its size. Body the body of the cross bow measures 20cm long, 10mm wide and 15mm tall. Body Shaping starting to shape the body (not finished in this ...
By: nonenaught

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Wed, 17 Jul 2013 18:56:00 PDT
How to Build a Trebuchet http://www.instructables.com/id/How-to-Build-a-Trebuchet/ http://cdn.instructables.com/FPI/GZKN/HJ5ZIIKR/FPIGZKNHJ5ZIIKR.SQUARE2.jpg http://cdn.instructables.com/FPI/GZKN/HJ5ZIIKR/FPIGZKNHJ5ZIIKR.SQUARE.jpg http://cdn.instructables.com/FPI/GZKN/HJ5ZIIKR/FPIGZKNHJ5ZIIKR.SMALL.jpg crazydragonking99 Guides to build a trebuchet out of various materials. Everything from a miniature trebuchet to huge examples of this siege engine. null null null null null An enormous example of a trebuchet. null null null null null null null null null null ...
By: crazydragonking99

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Tue, 16 Jul 2013 16:14:58 PDT
How to Build a Catapault http://www.instructables.com/id/How-to-Build-a-Catapault/ http://cdn.instructables.com/FSI/0NDJ/HJ5ZIIGG/FSI0NDJHJ5ZIIGG.SQUARE2.jpg http://cdn.instructables.com/FSI/0NDJ/HJ5ZIIGG/FSI0NDJHJ5ZIIGG.SQUARE.jpg http://cdn.instructables.com/FSI/0NDJ/HJ5ZIIGG/FSI0NDJHJ5ZIIGG.SMALL.jpg crazydragonking99 Guides for how to make a catapault out of various kinds of materials. These examples are made out of everything from Knex to wood to excercise bands. null null null Exercise band catapault. null null One of several Knex catapaults on Instructables. null null null nul...
By: crazydragonking99

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Tue, 16 Jul 2013 16:12:23 PDT
How to Make a Bean Shooter and/or a Mauly Clip Gun http://www.instructables.com/id/How-to-Make-a-Bean-Shooter-andor-a-Mauly-Clip-Gun/
How to Make a Bean Shooter and/or a Mauly Clip Gun - More DIY How To Projects]]> http://cdn.instructables.com/F1F/JTZF/HIGF1RKA/F1FJTZFHIGF1RKA.SQUARE2.jpg http://cdn.instructables.com/F1F/JTZF/HIGF1RKA/F1FJTZFHIGF1RKA.SQUARE.jpg http://cdn.instructables.com/F1F/JTZF/HIGF1RKA/F1FJTZFHIGF1RKA.SMALL.jpg trailtrekr Hello everyone I am really excited about this instructable because this is my first toy one I have done. I think this project is very fun and these weapons shoot very fast and can do lots of damage. WARNING: DO NOT AIM AT ANY HUMANS OR ANIMALS. I am not responsible for any injuries that may happen. ...
By: trailtrekr

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Tue, 2 Jul 2013 09:20:29 PDT
Rock Sling http://www.instructables.com/id/Rock-Sling/
Rock Sling - More DIY How To Projects]]> http://cdn.instructables.com/F85/PY6P/HIGFAZLI/F85PY6PHIGFAZLI.SQUARE2.jpg http://cdn.instructables.com/F85/PY6P/HIGFAZLI/F85PY6PHIGFAZLI.SQUARE.jpg http://cdn.instructables.com/F85/PY6P/HIGFAZLI/F85PY6PHIGFAZLI.SMALL.jpg patbking Ever wanted to sling rocks the old way? Well now you can just follow these instructions Finding Measurements First you need to find the measurements. My measurements were 4 in. and 2 cm. but it didn't work to well so try a bigger measurement Poke Holes Next you need to poke 4 holes I just ues...
By: patbking

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Sun, 30 Jun 2013 12:31:43 PDT
Water Bottle Rocket Launcher http://www.instructables.com/id/Water-Bottle-Rocket-Launcher-1/
Water Bottle Rocket Launcher - More DIY How To Projects]]> http://cdn.instructables.com/FCE/BV7S/HI3TYD2K/FCEBV7SHI3TYD2K.SQUARE2.jpg http://cdn.instructables.com/FCE/BV7S/HI3TYD2K/FCEBV7SHI3TYD2K.SQUARE.jpg http://cdn.instructables.com/FCE/BV7S/HI3TYD2K/FCEBV7SHI3TYD2K.SMALL.jpg backflip11 This is a fun way to get wet in the summer while playing with a rocket Gather Materials You need the following materials 1. Two liter 2. Duct tape 3. 3/4 inch outside diameter PVC 4. Air compressor Get Seal Wrap duck tape around PVC till bottle seals around PVC Power Put air compressor bl...
By: backflip11

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Wed, 19 Jun 2013 15:47:31 PDT
TORSION BALLISTA http://www.instructables.com/id/TORSION-BALLISTA/
TORSION BALLISTA - More DIY How To Projects]]> http://cdn.instructables.com/FHW/TRTE/HHS9RVQF/FHWTRTEHHS9RVQF.SQUARE2.jpg http://cdn.instructables.com/FHW/TRTE/HHS9RVQF/FHWTRTEHHS9RVQF.SQUARE.jpg http://cdn.instructables.com/FHW/TRTE/HHS9RVQF/FHWTRTEHHS9RVQF.SMALL.jpg FrancisDrake Check this Torsion Ballista made of lasercut 3mm cardboard! We got inspired by Leonardo Da Vinci's weapons. Thank's to Francesco Petracca and Fulvio Gabriele Volpi Drawing for laser cut Assembly the components Assembly the components and paste the wings of the torsion springs. Make the to...
By: FrancisDrake

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Mon, 17 Jun 2013 12:25:24 PDT
Rubberband Guns http://www.instructables.com/id/Rubberband-Guns/ http://cdn.instructables.com/FHC/BBK7/HHS9SZ8L/FHCBBK7HHS9SZ8L.SQUARE2.jpg http://cdn.instructables.com/FHC/BBK7/HHS9SZ8L/FHCBBK7HHS9SZ8L.SQUARE.jpg http://cdn.instructables.com/FHC/BBK7/HHS9SZ8L/FHCBBK7HHS9SZ8L.SMALL.jpg Armageddon12 All the best, easy-to-make, wooden rubber-band guns (and a few others) from around the Instructables site. null null null null null null null null null null
By: Armageddon12

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Sun, 16 Jun 2013 22:47:08 PDT
Popsicle Stick Ballista http://www.instructables.com/id/Popsicle-Stick-Ballista/
Popsicle Stick Ballista - More DIY How To Projects]]> http://cdn.instructables.com/F2I/WH8J/HHS9SM89/F2IWH8JHHS9SM89.SQUARE2.jpg http://cdn.instructables.com/F2I/WH8J/HHS9SM89/F2IWH8JHHS9SM89.SQUARE.jpg http://cdn.instructables.com/F2I/WH8J/HHS9SM89/F2IWH8JHHS9SM89.SMALL.jpg westincello I had to do a project for school where I had to make a catapult that would throw water balloons into a target. I thought about making a ballista for that but it would have been to complicated. School ended for me on Thursday and I finally found enough time to build a smaller version of the ballista...
By: westincello

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Sat, 15 Jun 2013 14:15:05 PDT
Potato Cannon Ammo- Reusable http://www.instructables.com/id/Potato-Cannon-Ammo-Reusable/
Potato Cannon Ammo- Reusable - More DIY How To Projects]]> http://cdn.instructables.com/F6G/Z9WV/HHMI74DS/F6GZ9WVHHMI74DS.SQUARE2.jpg http://cdn.instructables.com/F6G/Z9WV/HHMI74DS/F6GZ9WVHHMI74DS.SQUARE.jpg http://cdn.instructables.com/F6G/Z9WV/HHMI74DS/F6GZ9WVHHMI74DS.SMALL.jpg 305worms Sizing First determine the inner barrel size of your potato cannon mine is 1.5 inches Main Body You are going to take half of a water bottle and cut off the bottom and cut a slit up the side and size it a little bit smaller than the barrel Stuffing Take a rag of some sort and stuff it int...
By: 305worms

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Mon, 10 Jun 2013 11:17:26 PDT
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
AIR CANNON http://www.instructables.com/id/AIR-CANNON-6/ http://cdn.instructables.com/F7L/AKNI/HFPTICVH/F7LAKNIHFPTICVH.SQUARE2.jpg http://cdn.instructables.com/F7L/AKNI/HFPTICVH/F7LAKNIHFPTICVH.SQUARE.jpg http://cdn.instructables.com/F7L/AKNI/HFPTICVH/F7LAKNIHFPTICVH.SMALL.jpg Angrierbeaver  Here is an air cannon I made with on old air compressor tank and some other junk I had lying around. The only cost to me was the ball valve that cost about $50.  I may need to move the pressure gauge to another available port that is not on the fill stem, I'm not sure if I am getting a true read. T...
By: Angrierbeaver

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Tue, 30 Apr 2013 21:37:19 PDT
Weight Bearing Grappling Hook http://www.instructables.com/id/Weight-Bearing-Grappling-Hook/ http://cdn.instructables.com/FSI/VSGQ/HFPTONLP/FSIVSGQHFPTONLP.SQUARE2.jpg http://cdn.instructables.com/FSI/VSGQ/HFPTONLP/FSIVSGQHFPTONLP.SQUARE.jpg http://cdn.instructables.com/FSI/VSGQ/HFPTONLP/FSIVSGQHFPTONLP.SMALL.jpg forestguard1995 Weight Bearing Grappling Hook: Project Cost: $25+ (actual price depends on length and material of rope) Construction Time: 15-30 minutes Materials: Trolling Anchor (I suggest a collapsible one with a locking ring, I found a decent one at Dick's Sporting Goods. See Picture 2) Rope (The diameter ...
By: forestguard1995

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Mon, 29 Apr 2013 20:37:14 PDT
Easy Adjustable Catapult http://www.instructables.com/id/Easy-Adjustable-Catapult/
Easy Adjustable Catapult - More DIY How To Projects]]> http://cdn.instructables.com/FZU/YWKC/HELXCIOM/FZUYWKCHELXCIOM.SQUARE2.jpg http://cdn.instructables.com/FZU/YWKC/HELXCIOM/FZUYWKCHELXCIOM.SQUARE.jpg http://cdn.instructables.com/FZU/YWKC/HELXCIOM/FZUYWKCHELXCIOM.SMALL.jpg LikeASir This catapult takes only about a weekend to build, and once it's done it can hurtle a reasonable size projectile high into the air. The cool thing with this catapult is that you can adjust the angle at which it fires. Making The Frame You will need a piece of wood about 20-30 cm wide, 2-3 cm thic...
By: LikeASir

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Fri, 22 Mar 2013 19:07:04 PDT
Potato Cannon http://www.instructables.com/id/Potato-Cannon-10/
Potato Cannon - More DIY How To Projects]]> http://cdn.instructables.com/FKB/W04P/HEBNAOVV/FKBW04PHEBNAOVV.SQUARE2.jpg http://cdn.instructables.com/FKB/W04P/HEBNAOVV/FKBW04PHEBNAOVV.SQUARE.jpg http://cdn.instructables.com/FKB/W04P/HEBNAOVV/FKBW04PHEBNAOVV.SMALL.jpg poppop159 Me my dad and my brother went to Home Depot and got PVC pipe and put together a potato cannon it shoots very far about 300ft Barrel The barrel is a 1"1/2 by 5ft PVC pipe with the Combustion Chamber The combustion chamber is basically a 3" by 3ft piece of PVC pipe with a screw cap on one end a...
By: poppop159

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Mon, 18 Mar 2013 16:02:27 PDT
Ping Pong Catapult http://www.instructables.com/id/Ping-Pong-Catapult/
Ping Pong Catapult - More DIY How To Projects]]> http://cdn.instructables.com/F3R/E6MW/HE081PCB/F3RE6MWHE081PCB.SQUARE2.jpg http://cdn.instructables.com/F3R/E6MW/HE081PCB/F3RE6MWHE081PCB.SQUARE.jpg http://cdn.instructables.com/F3R/E6MW/HE081PCB/F3RE6MWHE081PCB.SMALL.jpg The Craft Club I built this ping pong catapult for the kids but they are a great stress reliver in the office you can have some real fun with these I looked at a few good designs over the internet and everyone i saw had a tendancy to use standard lolly sticks, i wanted something a little stronger and more durable...
By: The Craft Club

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Tue, 12 Mar 2013 08:34:29 PDT
how to make a mini trebuchet catapult http://www.instructables.com/id/how-to-make-a-mini-trebuchet-catapult/
how to make a mini trebuchet catapult - More DIY How To Projects]]> http://cdn.instructables.com/FLJ/37WL/HDOW3O0D/FLJ37WLHDOW3O0D.SQUARE2.jpg http://cdn.instructables.com/FLJ/37WL/HDOW3O0D/FLJ37WLHDOW3O0D.SQUARE.jpg http://cdn.instructables.com/FLJ/37WL/HDOW3O0D/FLJ37WLHDOW3O0D.SMALL.jpg swisel Hi in this instructable I will be showing you an awesome way to make a trebuchet.  you will need: the base If you have seen some of my previous instructables you should now know that i always start wit the base. Cut two pieces of wood in half. Put one of them away. Now glue them on to two oth...
By: swisel

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Sat, 2 Mar 2013 08:50:09 PST
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
Torsion Onager 175+ yards http://www.instructables.com/id/Torsion-Onager-175-yards/ http://cdn.instructables.com/F6X/GNO2/HDHXNPIL/F6XGNO2HDHXNPIL.SQUARE2.jpg http://cdn.instructables.com/F6X/GNO2/HDHXNPIL/F6XGNO2HDHXNPIL.SQUARE.jpg http://cdn.instructables.com/F6X/GNO2/HDHXNPIL/F6XGNO2HDHXNPIL.SMALL.jpg Alex and Joey Productions      I am a 8th grader and I built this onager for my science fair project.  All the metal was laser cut at my dad's work.  It took about two weeks to build, just because of all the trips we made.  This compact machine launches a golf ball over 175 yards.  I am working on a better trigger system now...
By: Alex and Joey Productions

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Sat, 23 Feb 2013 10:22:11 PST
Trebuchet http://www.instructables.com/id/Trebuchet-2/ http://cdn.instructables.com/F16/R6LS/HD7TZDQ6/F16R6LSHD7TZDQ6.SQUARE2.jpg http://cdn.instructables.com/F16/R6LS/HD7TZDQ6/F16R6LSHD7TZDQ6.SQUARE.jpg http://cdn.instructables.com/F16/R6LS/HD7TZDQ6/F16R6LSHD7TZDQ6.SMALL.jpg Probuilder123 What did I/we make? A trebuchet How did you make it? Wood and nails and 3 pieces of pipe. I think it took like 15 pieces of wood. It took a while but we had a superviser watching us telling us if something was wrong or something was right.We did it by our selves and had no help but for if there was ...
By: Probuilder123

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Sat, 16 Feb 2013 15:55:11 PST
Bic Pen Blow Gun http://www.instructables.com/id/Bic-Pen-Blow-Gun/
Bic Pen Blow Gun - More DIY How To Projects]]> http://cdn.instructables.com/FO3/MIGQ/HCJOBDQY/FO3MIGQHCJOBDQY.SQUARE2.jpg http://cdn.instructables.com/FO3/MIGQ/HCJOBDQY/FO3MIGQHCJOBDQY.SQUARE.jpg http://cdn.instructables.com/FO3/MIGQ/HCJOBDQY/FO3MIGQHCJOBDQY.SMALL.jpg hobby king To Build a miniature blow gun. You will need: Bic pen Paper Tape Straight pin with ball or flat head on back end Hot glue gun Scissors Note: this same process can be scaled up using PVC pipe for a more typical blow gun size. Disassemble A Pen Remove both ends of a pen and discard the two ends....
By: hobby king

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Sun, 3 Feb 2013 20:27:31 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