how to make a pvc gun?
91180
This is dangerous!  You should only do this is you are experienced in ballistics.
548955
Use large rubberbands, or bungie cords, and strap them between 2 upright poles. Use a hinge and a peace of wood to make the throwing arm.  You can find all of the parts at a home depot and just kind of wing it.
767612
You will need to investigate the chemical mixture to use, there are common ones like black powder (Potasium Nitrate [saltpeter] + charcoal + sugar) I used to buy saltpeter at the drug store (in the olden days they gave it to boys to reduce sex cravings...) but I don't know if it is available there anymore...\n\nYou need 2 other components besides the fuel - 1. A nozzle, and 2. An igniter. \n\nThe simplest nozzle would be a straight hole drilled through a plug (that would close the bottom of your cylinder rocket body full of fuel). But a point to point cone shape would be better. Another alternative, I saw a design for a model rocket which used an empty CO2 cartridge (like a BB Gun would use) the cartridge end is very nozzle like and you just fill it with your fuel.\n\nFor the ignitor, there is something called nichrome wire, it is a thin wire that when you attach a battery to it, it gets hot (even easier though, they sell little ignitors at hobby stores for estes type model rockets.) You would have to mount the ignitor into your fuel and plug up any remaining space so that the fuel doesn't fall out...
181390
Get wooden matchsticks and cut the heads off of them.  Then it is a simple means of making the design and building it.\n\nOr you can order this kit.
925065
Check out Numerich Arms, see link below. They should have any and all part that you might need, including your schematic.\n\nGood luck.
833532
The basic rifling machine is called simply a rifling machine.  Most modern firearms manufactuiring use a swag method where a super hardened spud is turned down the barrel blank to force/squeeze the metal into the proper land and grove pattern and twist ratio.\n\nThe best infor I can remember comes out out books by P.O. Ackley and Col Townsend Wheley or Whaley or similar.   These two engineers did a lot to improve modern rifling techniques.
216083
Use a piece of duct tape and press it over the glass chard. Pull the tape off slowly and the chard will come with it.
69838
Here is a "recipe" for gun bluing\n\nBlue-Black Finish on Steel\n \na. Place object in molten sodium nitrate (700-800 degrees F) for 2-3 minutes. Remove and allow to cool somewhat; wash in hot water; dry and oil with mineral or linseed oil. \n\nb. Place in following solution for 15 minutes:\nCopper sulphate 1/2 oz.\nIron Chloride 1 lb.\nHydrochloric acid 4 oz.\nNitric acid 1/2 oz.\nWater 1 gallon\nThen allow to dry for several hours; place in above solution again for 15 minutes; remove and dry for 10 hours. Place in boiling water for 1/2 hour; dry and scratch brush very lightly. Oil with mineral or linseed oil and wipe dry.
417087
easy. just get a regular grenade and tape a lot of airsoft bullets to it. ur mom may not let u use it near the house. my mom never lets me.
253184
Wow, thats a tuff one. Have you considered cardboard or wire and fabric? How much time do you have because this seems like a time consuming task. You could look on the internet fo ideas that might help you out. It depends on what you want it to look like.
830321
I think you should get some plastic PVC pipe and related parts as needed and you can cut them to the size you actually want. So as to not make it so flimsy you should probably use about 1 1/2 to 2 inch pipe. Some kind of fish net or other netting will do .\n\nIf you check out some internet sites for golf nets you can view a pic to use as a patter I suppose.\n\nHere are a couple of good web sites.\n\nhttp://www.sportnetting.com/?src=looksmart\n\nhttp://innovagolf.com/gonetgoprnet2.html\n\nHave fun with your project.\n\nLeon
277536
You're best bet is to contact the resin manufacturers.  When you get the operator just tell them you have a technical question regarding (whatever you want) and they'll transfer you immediately....for some reason most people wig out when they hear the word "technical."  Try Geon, Solvay, Vinnolit, Vinycel, Kaneka, Mitsubishi, or Formosa to name a few.  You might also have luck with PVC compounders such as PolyOne or Marchem.  Otherwise, you could by some books devoted to the subject - The Encyclopedia of PVC Vols 1-4 is an excellent resource.  However, unless you have a few hundred bucks at your disposal I don't reccomend this.  Good luck!
875617
cost? well not much if you just do it yourself with a staple gun\npain? probably quite a bit
385728
mix potassium chloride with chlorine \n\nlol chemical weapons
957303
Go to peacefire.org. There, it shows you how to make your own circumventor thats based from your home computer.
120304
Just get a piece of plastic sheeting..Suspend it off the ground 6 inches..Put a weight of some type in the middle, to form a downward cone..thats about it..You might also look it up in your Boy Scout Hand Book..its a good read.
124060
I do not know of a site that has complete instructions on how to build a catapult, but you should be able to most of what you need from the site below: