Instructables.com - Build A Net Gun

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Nykus79 says: Oct 9, 2009. 7:58 AM REPLY Look like I has found weapon non-leathel to use on police who chase me after i did something break laws. it should slow them down ToddisI says: Jan 22, 2011. 9:38 AM REPLY lol diedhert says: Jan 15, 2011. 11:55 AM REPLY I studied these instructions. I have a question about step 8. What is the purpose of the soda neck back couplers of the tractor? Wouldn't the tractor fullfill without them (just cap + 8" PVC pipe) ? Or is it just because it is easier to put them on the launchers (due to the soda neck)? Thanks in advance. crispyjones says: Jan 15, 2011. 1:27 PM REPLY It just seals the tractor really well, the more air that is captured in the tractor means more energy transfered when they are launched. It's possible it would work without soda bottle necks, but they would fall off really easy and probably not go as far. jlissy1987 says: Jan 14, 2011. 12:56 PM REPLY I tried building this, but we can't get the soda bottles to fly off the tractors, they hardly make it off of the tractors. We've checked it for leaks several times, can't find any it seems to hold pressure just fine. As far as I can tell, all the air is going out the bottom of the blow gun instead of into the tractors. Are we supposed to epoxy the top of the blow gun so air can't go out of the blow gun? I don't think we are, but I'm not entirely sure. crispyjones says: Jan 14, 2011. 6:30 PM REPLY Air should only come out the blow gun when you pull the trigger. If air rushes out without pulling the trigger you have a defective blow gun. Only epoxy around the base where it is threaded into the valve. Make sure you have the sprinkler valve on in the right direction, there is an arrow on the side of the housing, it should point in the direction of the airflow, away from the pressure chamber. Check for leaks in a bucket without the launcher arms screwed on, they are much easier to spot. Keep posting and we'll figure it out. the_doctor says: Oct 6, 2010. 6:18 AM REPLY I used copper pipes for my pneumatic cannon sonofspikerr says: Oct 15, 2010. 4:47 PM REPLY doctor who=best show ever! Are you american or european? the_doctor says: Jan 12, 2011. 7:31 PM REPLY enlglish Freesoil says: Jan 11, 2011. 8:48 AM REPLY do you need the trigger system to use this gun? or is it more for just easier shooting? MeGravity says: Jan 10, 2011. 8:05 AM REPLY What's the used CAD package... looks lovely. I have to permit that I didn't read through the whole article so far ;-) Thx jrgabbardo says: Jan 8, 2011. 6:11 AM REPLY Have you thought in the possibility of adapting some sort of hand pump to fill the air reservoir and make the net gun portable? Of course an ordinary pump to fill bike tires would not do the job but why not try to use or even build another kind of powerful hand pump? Best regards! kameronk92 says: Dec 17, 2010. 2:31 PM REPLY How do you pressurize the gun, dude? quetip1 says: Dec 12, 2010. 8:32 AM REPLY sooo... I want to build one of these but I want it to look like a rifle and have the net be 6-feet-by-5-feet. do you think it would be possible to fit this in a nerf gun frame or atleast a moddified one. thanks for any ideas on the subject http://www.instructables.com/id/Build-A-Net-Gun/
mikeysmachines says: Dec 4, 2010. 8:40 PM REPLY i want to build one of these to shoot it in my house is that possible, can any part of the net harm anything in my room like my lcd and can i customize the lengths of the rope so its not to big flying across the room (I want it to be able to catch my friend) thanks crispyjones says: Dec 5, 2010. 8:47 AM REPLY I would have to warn against doing this without changing some significant things. The net itself is 9.5 feet per side, the tractors and strings add another foot, at least, in each direction. If you hold the net gun at chest level the top of the net can be somewhere around 15' above the ground and almost 12' across, you would need a really big room for this to work. As soon as any tractor hits anything, the whole net will stall. The only time I fired this inside, I was in an enormous garage and it was my first net gun that used a smaller net. I think you will have to use a much smaller net (and figure all the corresponding net math), thicker foam on the tractors, possibly lighter or smaller tractors, and maybe reduce the pressure. I am pretty sure the net gun could harm lots of things in your room, including the LCD. It is probably easier to just ambush your friends outside. baughmanmark says: Nov 18, 2010. 10:29 AM REPLY The link that you give for the net, is that a pre-made net because it looks like it. crispyjones says: Nov 18, 2010. 11:45 AM REPLY The net itself is pre-made, but you can't just pull it out of the box and put it in the net gun. You get a long length of net, but you still have to cut it to the correct length, add the spreader string, and attach the tractors. baughmanmark says: Nov 10, 2010. 5:34 PM REPLY I did everything you said to do with the Trigger Valve System but when I put air inside the chamber is leaks out of from that hooks to the tennis ball attachment and also when I press the blow gun it does nothing. What am I doing wrong? baughmanmark says: Nov 10, 2010. 7:08 PM REPLY Never mind about my question. I put the wrong end towards the pressure chamber (the arrows were pointing toword the pressure chamber). crispyjones says: Nov 10, 2010. 6:25 PM REPLY First make sure the flow arrow on the valve is pointing in the direction of the air flow, back of the arrow towards tank, pointy end towards outlet. Next, put some air in the pressure chamber and see exactly where it is leaking from. If it is leaking out of the small "nipple" in the center of the outlet (step 4, fig 7) than you need to seal that off with some more epoxy. If it is leaking out of the outlet (and not the nipple) than it is likely the diaphragm is not seating. This can happen if PVC chips get stuck in there, just disassemble the valve and make sure the seating surface is clean. I went through some similar issues earlier this link *might* (direct link to comments seems flakey) take you there. If not, go back to the May 31, 2009 comment string in Step 5. If none of this helps, post the things you tried and I will see what I can do. Good luck. SP Tutorials says: Nov 9, 2010. 1:21 PM REPLY Oh my god this is freaking amazing. I am totally building this. Btw check out my tutorials. I have one so far bit I am working on a new invention of mine. PIZZA TACOS!!!!!!!! (: rhoddity says: Oct 28, 2010. 11:45 AM REPLY Love the trigger mechanism (with a safety system and everything) I think this takes the cake for coolest functional PVC based ible I've ever seen, full-stop! xboxdude says: Oct 27, 2010. 6:27 PM REPLY this was very cool. my dad and i made it together bigtreehouse says: Oct 10, 2010. 4:43 PM REPLY You da man. I have wanted to do just this for years. Next work on the Bathook... the grapling hook launcher. matt says: Oct 10, 2010. 6:12 AM REPLY This is an excellent instructable. Very nice work, have fun! Munchys says: Oct 7, 2010. 7:19 PM REPLY this is kinda hard to find the parts http://www.instructables.com/id/Build-A-Net-Gun/
Page 1 and 2: http://www.instructables.com/id/Bui
Page 3 and 4: Launcher section Fig 3 4 13" length
Page 5 and 6: Now enter all the information from
Page 7 and 8: Image Notes 1. 1" orbit 57461 sprin
Page 9 and 10: Optional: perform a leak test. Pres
Page 11 and 12: File Downloads 17 degree.pdf ((612x
Page 13 and 14: Image Notes 1. Incorrectly aligned
Page 15 and 16: 1. 8" length of SDR-21 3/4" pipe. 2
Page 17 and 18: Image Notes 1. 12" length of 1" ID
Page 19 and 20: Step 11: Et cetera Thanks for all t
Page 21: Image Notes 1. Slobbery ball chaser
Page 25: crispyjones says: Aug 13, 2010. 9:0

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