Search found 12 matches

by K8TOW
Wed Sep 21, 2022 7:36 pm
Forum: Pneumatic Cannons
Topic: Saftety of PVC Pipe
Replies: 11
Views: 4627

Re: Saftety of PVC Pipe

I have made a few pneumatic Guns out of schedule 80 pvc and glued them correctly and had one fail.After that one fail,I decided to use fire extinguishers on the pressure side and use pvc on the exhaust side.i have put up to 250 psi in the extinguisher without a problem.i use various sizes of extingu...
by K8TOW
Sat Apr 25, 2015 6:34 am
Forum: Pneumatic Cannons
Topic: New to this, PVC Alternative
Replies: 2
Views: 1643

Re: New to this, PVC Alternative

fire extinguishers
by K8TOW
Sat Sep 29, 2012 7:53 pm
Forum: Ammo & Parts
Topic: 3/4 inch qev wanted.
Replies: 11
Views: 2623

i have used letter "f" the last one in the group.this is the one that is in the directions in "antennalaunchers.com" the only things i have changed ,is i use a fire extinguisher for the pressure side and i shoot a PVC plug,instead of tennis ball.i have shot it the length of a football field at 50psi.
by K8TOW
Sat Sep 29, 2012 7:47 pm
Forum: Pneumatic Cannons
Topic: Help with fittings please!?
Replies: 5
Views: 1532

i have used a fire extinguisher before and i use a 3/4 black iron from the extinguisher to the sprinkler valve from mcmaster-carr.then i use brass after that.
by K8TOW
Sun Sep 16, 2012 10:31 am
Forum: General How-To & Discussion
Topic: PVC layered in kevlar/carbon fiber?
Replies: 18
Views: 9337

i went to a boat maker who is a frind of mine,and he said the pvc wrapped in carbon fiber wouldnt work,because the pvc expands just slightly with pressure.
by K8TOW
Sun Feb 19, 2012 2:40 pm
Forum: Ammo & Parts
Topic: Fire extinguisher
Replies: 2
Views: 1373

Fire extinguisher

i have been using a 4"barrel for the pressure side of the antenna gun.i quit using it when i forgot to glue 1 joint and at 80 psi,it blew apart.i now use a fire extinguisher.it stands about 2 1/2 feet tall about 5 " round.
by K8TOW
Mon Dec 12, 2011 12:14 pm
Forum: Pneumatic Cannons
Topic: new air gun
Replies: 1
Views: 1158

new air gun

this is my first attempt at building my own design .it has a few different barrels.1 to shoot tennis balls,1 to shoot 1 1/4 pvc caps,AA batterys,and paint balls.i have a fishing reel attached to it with 450 feet of spider wire(65 lb test). my next one is going to be with a welding tank (no seams) 40...
by K8TOW
Fri Aug 19, 2011 11:23 pm
Forum: General How-To & Discussion
Topic: fire extinguisher
Replies: 13
Views: 3234

i used a 1 inch pipe thread nipple to go from the opening of the extinguisher,to the nipple.i use pipe dope with jb weld on the top of the opening
it works so far
by K8TOW
Fri Aug 19, 2011 10:53 pm
Forum: Ammo & Parts
Topic: Freebie Guide - Hobbyist Guide
Replies: 39
Views: 6148

when i used the fire extinguisher,i used pipe dope with jb weld around the top edge.yes i know its permanent,but i dont have leaks.i have tested it with the pvc plug ,and it shot it from one end of the football field to the other near the goal posts,with 90 psi :P :idea:
by K8TOW
Sun Feb 13, 2011 7:35 pm
Forum: Ammo & Parts
Topic: Freebie Guide - Hobbyist Guide
Replies: 39
Views: 6148

i work down street from a fire extinguisher store.they replace and design fire systems.i brought my gun in and asked them for an old tank.they gave me a new one for free.its better than pvc in the long run.i use it as the supply and its only 1 inch
by K8TOW
Thu Jan 21, 2010 9:50 pm
Forum: Ammo & Parts
Topic: Freebie Guide - Hobbyist Guide
Replies: 39
Views: 6148

use the used tire wheel weights from a tire store,instead of pennys.its cheaper and you can get all you want for free.
by K8TOW
Thu Oct 01, 2009 9:00 am
Forum: Pneumatic Cannons
Topic: My First Pneumatic Cannon
Replies: 8
Views: 1699

you might also try using a camlocks (http://www.americanonsite.com/american/catalog/quickdisc.html ) or (http://www.hosexpress.com/camandgroove/ezbosslock.htm ).i just did a google and came up with these 2 websites.i will be buying them for my pneumatic gun.i have 3 different barrells.1/2",11/2"and ...