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\u00a9 2021 wikiHow, Inc. All rights reserved. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Step4: Clamp the handle of the drill in the vise and do the nut up to tighten it against the chuck. Holes in the bottom parts of the frame allow pegs to be used to hold the cannon to the ground. Tennis Ball Cannon, Pneumatic, on the shoulder "Bazooka" style. Main ammunition: Tennis ball Araldite is one of my best friends, I use it for quite a few parts in numerous projects. The history of the cannon was rather fascinating dating back to china before the 1200s to present day. The holes in the corners are 6mm and allow the flange to be bolted onto the barrel. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3f\/Make-a-Tennis-Ball-Mortar-Step-1-Version-2.jpg\/v4-460px-Make-a-Tennis-Ball-Mortar-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/3\/3f\/Make-a-Tennis-Ball-Mortar-Step-1-Version-2.jpg\/aid272936-v4-728px-Make-a-Tennis-Ball-Mortar-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":" \u00a9 2021 wikiHow, Inc. All rights reserved. and do you think a smaller fire extinguisher will be able to shoot at least powder or stuff like this? This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2021 wikiHow, Inc. All rights reserved. I thought about buffing the aluminium after but realised that it would just look tacky if I did. Step1: Put the cut out block in the vice and cut along tangents to the circle until all of the excess i could remove was gone. Remove any clothes that you spill lighter fluid on immediately. I first came up with the idea of making a tennis ball launcher to help enthuse school children (year group 9) about mathematics by getting them to aim for a target on the ground behind a wall of paper so that they had to use complex equations and mechanics principles. I will also include a link to a simulator that also accounts for drag . These holes you cut are also known as baffles. Excess fluid or debris can impair the appropriate functioning of the blast tube, so make sure to clean and dry each can completely. The Gauntlet game from American Gladiators has the contestants attempt to defeat the muscular gladiator while being shot at with a ball cannon. It was essential that the ends of the pipe are straight and preferably have a large radius put into them but not very deep(not very circular and shallow groove) this all allows for a better fit around the bottle. http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=145 Adding to your cart. This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2021 wikiHow, Inc. All rights reserved. He would blast the balls into the sky and I would try to catch them with a baseball mitt. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. I developed several early prototypes that closely resemble common “potato guns” widely available online, but wanted to do more with the idea. The item you've selected was … $99.00 $ 99. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Triple check to make sure no one is in the path of the mortar before lighting the match. After that I ended up filing the holes. This can cost alot of money to have done, whereas a fire extinguisher is already certified. The frame design is very strong, being held together with M6 bolts. In heinsight it would have been faster, and probably cheaper to buy some brackets, but this would have meant more bolts and less strength, oh, and of course less satisfaction. If you do make this project, please remember to put the nut onto the valve and then mark both the nut and the flange to get the orientation correct when you put the nut into it, when I put the nut in I knew that there was no way of getting it out without destroying the flange. The small metal pieces that look like brackets are made to slide up and down the rails(sorry should have mentioned before, the long peices on the floor are layered, so there is one long, one short going perpendicularly and then another long one on top). These equations are true under the assumption that drag due to air resistance is negligable, so the link below will send you to a website that has a simulator for a projectile with air resistance included in its calculations. Item Information. YouTube - Table Tennis Ball Cannon Construction and operation of natural gas powered table tennis ball cannon built with plastic cups, toliet rolls, duct tape and blue tac. Then secure it to the top of the third with at least 3 strips of duct tape. I did go looking for it but it must have rolled into their gutter. To bend all of the parts that needed bending first I marked with chalk the line that needs bending(chalk is not affected by the heat), heat the intended area to cherry-bright red(that way it will still be plyable after positioning in the vise). Speech The constructing of the cannon took a lot of research, patience and strategy. it is actually about 1mm smaller than the large diameter of the nut, this wasn't by design but turned out for the best as I didn't need to use an adhesive to keep it in place (just a hammer). 5.0 out of 5 stars 2. Thanks to all authors for creating a page that has been read 80,963 times. I can not vouch for the integrity of this software as I have not yet tested it against a real projectile. I have about 20 hours into it. Even a glancing strike from a tennis ball counted as a One-Hit Kill on the contestant. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. First job was to empty the fire extinguisher(I did mine by shooting sweet potatoes out of the hose over the wall. I designed a tennis ball cannon which would load a ball with a bolt action type system. After their rinse, to stop debris or grease form contacting the part i used a metal bar to lift the part out of the meths and then burnt it off. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Because the pipe was 22mm and the hole was 6mm, I cut the pole a bit short, araldited a length of 15mm PVC pipe in it then araldited some bolts into it with the head on the inside so that approx. You may also be able to puncture the can with scissors or tin snips and make a hole approximately this size. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Also, use a brass tank valve and adapters to get to the tee instead of re-using a bicycle inner tube. I took off the flange and forgot to change the drill bit. Last Updated: October 15, 2020 Statistics Step2: Drill a 6mm hole in the centre of the circle(there was a mark left by the compasses) and put a short threaded rod(or bolt)(M6)through the hole with a nut on the end. This is my Tennis Ball Cannon. The tennis ball mortar is a great project for many reasons: all the materials are cheap and readily available, its construction is extremely simple, and it gives off a nice loud *pop* which the video … Please consider supporting our work with a contribution to wikiHow. Then to the diameter of the bottle I fixed 2 sections of pipe in line with each other using jubilee clips. Due to the Tennis Ball Cannon's compact size it has a loud discharged and really packs a punch! You get the same punch of a potato cannon, but without the mess. my 3 year old woodle Tessie loves it,she is a tri pod dog lost her right front leg at 4 months old.But shes as fast as a four legged dog.the delivery of the launcher was very fast and CHEWY WAS GREAT. The first time I put a potato down the barrel I didn't ever see it again. These mortars propel tennis balls when gas inside expands rapidly, making them not only entertaining but also educational as well. The more secure the cans are, the more reuse you'll get out of your mortar. Other than this coupler I used a 22mm compression tee, and a 22mm ball valve. On the firing end of the bead seater is a 1.5-inch open/close pneumatic valve. If you get any of the lighter fluid on your hands, wash them immediately. I did this by clamping the top in the vise and trtying to twist the bottle(this didn't work) so then I decided to attach a G-clamp to the bottle for some extra leverage and then it came off surprisingly easyily. Details about Tennis ball Cannon. Tennis Ball Cannon. Although I used these clamps it is not neccesary for you to. Although tennis ball launchers are a little different when it comes to purpose, like launch and fetch with your favorite dog, they more or less have the same function, shooting tennis balls into the air. I made this a few years for the kids but they no longer have any interest in it and it is taking up space in my building. The French tennis star Rene LaCoste was more than just a master on the court.Away from the tennis circuit, the man known as “The Crocodile” was a shrewd business man and a pioneer in new tennis technology.In the 1920s, he patented a hand-cranked tennis ball launcher in association with sports company Dunlop.The machine was operated by a partner at the other end of the court and … BIG MISTAKE. Description Now introducing the NEW Tennis Ball Cannon! By smitty on Feb 3, 2021. Search, Browse and Discover the best how to videos across the web using the largest how to video index on the web. This bad boy can shoot up to 4 tennis balls at a time! All tip submissions are carefully reviewed before being published. the drill size for M6 is 5mm, it is not 1mm difference for all threads). Max distance of main ammunition: 100m The pole used to pivot on was meant to go through the 2 holes at the top of the frame but, I didn't have a 20mm drill bit for metal(from there I would have filed it to the correct size) at home so I just left them as 6mm. Keep sanding until the barrel is a tight fit around the wood. Keep gloves on your hands to minimize the risk of injury when cutting the holes. wikiHow is where trusted research and expert knowledge come together. Tilt the spoon and mortar away from your face so that you don’t inhale any of the lighter fluid. 9 years ago Wash your hands thoroughly with soap and water if you get any lighter fluid on them. I am a solidworks student in my engineering class at Hamilton High. The balls should exit my cannon at roughly 43 m/s -- which is exactly twice the terminal velocity. The first improvement that I made was to replace the piece of wood that connects the barrel to the rest of the assembly. and all of this without any forethought. (Even though you can't see it in the pictures, they are there) 1/4 Mile Cannon - Tennis Ball Cannon Launcher Gun. As can be seen by the photos, first I started by drawing out a circle with the same internal diameter as the barrel(67mm), from there I started cuting out with a jigsaw, that was until it started sparking and I discovered that my skill at using this tool is rubbish. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Tennis ball cannons can usually be made of home made materials or parts that can be found around the house. As this is an instructable, I tried to keep all of the parts in this project, within the capabilities of most DIY'ers, but as I have access to a metal workshop then I may aswell make my work the best that it can be. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. It may have touched down, and smashed a roof tile. The other external diameter is 67mm to be ever so slightly larger than the internal diameter of the barrel (66.9mm), this ensures a tight fit which will give the barrel more support than if it were the same size. Team Dandy: Tennis Ball Cannon Plans This is sometimes referred to as a tennis ball launcher or even a Polish cannon. Railroad Rail Lantern / Sign Stand Split With Axe. Get it as soon as Wed, Jan 20. Quarter Mile Cannons decided to release this tennis ball cannon for those who just don't want to deal with potatoes. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. For alternative ammunition you could put a potato down the barrel, or an apple, keeping in mind that the softer the thing that you put in the lower the pressure you can use or you end up making a mess in the barrel. See more ideas about tennis ball cannon, ball cannon, cannon. Secondary ammunition: anything you can stuff down the barrel with wadding at bottom Share your thoughts, experiences and the tales behind the art. A tennis ball launcher can not only improve your dog’s physique, but also develop his mental abilities and keep his mind constantly stimulated. This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2021 wikiHow, Inc. All rights reserved.
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\n<\/p><\/div>"}, http://www.gardenballistics.com/projects/tennis-ball-mortar/, https://web2.ph.utexas.edu/~phy-demo/demo-txt/1h11-20.html, Please consider supporting our work with a contribution to wikiHow. Yet another consideration that I didn't think of at the time would be to put the drill in the vise so that when you turn it the top comes towards you so that when you sand in the bottom half, your face doesn't turn a nice woody colour. Step3: Put the end of the threaded bar into the drill chuck. It actually went over the wall, over the road, over the big sycamore tree, over the 1st block of flats and finally I heard a crack. I thought that this was terrible progress so in the end I just took all of the parts to school to use the pillar drill. Raise or lower the height of the bricks to change the angle at which you can prop the mortar. To get the square round, I had to use a 4 jaw chuck. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Tennis Ball Cannon A blog about the research, construction, and firing of a comubtion tennis ball cannon. Because a fire extingusher is designed to contain dry CO2, it is not a good idea to keep the bottle for more than 5 years running with air. Watch the best online video instructions, tutorials, & How-Tos for free. The tennis ball launcher is great! Battery and remote options also make your practices even easier and take your game to the next level. Propulsion source: Compressed air from compressor or foot pump (depends how lazy I’m feeling) The replacement was made from a 70mm square bar (from the scrap metal merchant) and a picture of it is shown. We use cookies to make wikiHow great. Here at Tennis Warehouse we offer a selection of ball machines with programmable modes and levels. If it is cold outside, heat up the tube by placing in a warm room for about 2 minutes. Next step is to drill all of the holes, all with exactly the same spacing so that they all line up when you bolt the peices together. Place in the vise so that the line is approx.2mm above jams. To fix these metal bars to the bottle I drilled a 20mm hole in both of the bars shown in the first and last photos, and filed them out to 22mm. References. Step 2: Drilling. To lock the cannon in place I made the slides mentioned earlier slightly bent in the middle so that in one section of them they can slide freely but at a different section, the mechanism jams, locking the angle. Your tennis ball will fly fast – and hard. Learn more... Tennis ball mortars – homemade cannons that can launch tennis balls dozens of feet in the air – are fun, inexpensive, and easy to make. Here I used it to hold the nut in the wood, it was good because it also made a nice seal. In the picture that is me proudly standing by my machine. Peel off at least 2 other pieces of tape at least 3.5 in (8.9 cm) long, and wrap them along the first to secure the 2 cans tightly together. This instructable will show you how I made my monstrous tennis ball launcher (cannon) from mainly scrap metal and just a few things from eBay. To aim the cannon we have to be able to set the angle and lock it. TENNIS BALL CANNON Step 1: The Frame. Infact I actually used this method of clamping two parts together for the entire project, using the same two holes from the one part to template all of them. This rapid release of air is used to fire the tennis ball. Once this valve is opened, the 100psi stored in the 5-gallon tank will be released very quickly. Use a tennis ball you don't care about, as the mortar tends to scorch the ball. This Quarter Mile Cannon really lives up to its name and can shoot tennis … Also included are tips and potential improvements for certain areas in both design and construction. To use the araldite I first cleaned everything by sanding and then rinsing in methylated spirits to remove any grease and oils from the skin. The drag coefficient of a sphere is 0.51 according to wikipedia so you may want to look elsewhere for it. pneumatic tennis ball launcher. This is where I bolted together all of my metal and find out that my "skill" as a designer had payed off, giving just enough space between the bolts(for most of them any way) to fit in the socket. $84 for 24 months with PayPal Creditopens a installment calculator layer* $84 for 24 months. Well there it is, I have finished my project. Tennis ball mortars – homemade cannons that can launch tennis balls dozens of feet in the air – are fun, inexpensive, and easy to make. When my friends started playing with my new toy I realised that the speed at which you open the valve makes a considerable difference to the distance that the chosen projectile would travel. Try to put just enough back in to replace what leaked out. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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