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| | #1 |
| Founder Join Date: Mar 2003 Location: College Park, Maryland
Posts: 6,086
UserID: 1 | http://www.sscentral.net/tech/homemades/aph.php I probably missed a few things in the guide, but there it is. Enjoy. Also check out what I posted in SSC's news. ![]()
__________________ email: Do not send me a PM or email with a water gun question if someone else could answer the question. Post at the forums. You will get a response from me along with others' views or ideas. |
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| | #2 |
| Still selling stuff. Join Date: Mar 2004 Location: On my tricked out PC
Posts: 944
UserID: 83 | YAY DOOM! Yay! But I already made a homemade and my dad doesn't want to make another.
__________________ WORKING Guns For Sale: CPS 3200, Max-D 5000, WW Glo-Blaster BROKEN Guns For Sale: CPS 1500 + 15 Balloon K-Mod, Flash Flood + 3-layer collossus & PRVD, XXP 175, WW Hornet, SS 50 More info here. Interested? PM me. |
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| | #3 |
| Super Moderator Join Date: Jun 2003
Posts: 256
UserID: 47 | I only have one question: what is the total cost for all of the items?
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| | #4 |
| Founder Join Date: Mar 2003 Location: College Park, Maryland
Posts: 6,086
UserID: 1 | It depends. Your first one will be more expensive and leave you with a lot of extra PVC. I guess around $50 if you want an estimate. More if you make an inclusive reservoir. The backpack is cheaper if you make the trash bag kind. ![]() Edit: If you want to know, tonight I'm taking pics of my new backpack made out of PVC and my new CPS homemade. They and other new things will eventually make it to the site. Look out for them. ![]()
__________________ email: Do not send me a PM or email with a water gun question if someone else could answer the question. Post at the forums. You will get a response from me along with others' views or ideas. |
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| | #5 |
| Super Moderator Join Date: Jun 2003
Posts: 256
UserID: 47 | Just bought all of the parts. Except the elbow. Forgot that :P I'll pick it up tommorrow. The entire thing does not look that hard to assemble. For the PC, the pieces I bought fit very tighty, should I cement them anyway.
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| | #6 |
| Founder Join Date: Mar 2003 Location: College Park, Maryland
Posts: 6,086
UserID: 1 | If you don't use PVC cement on all pressurized parts, when you pump it up the air will not pressurize, rather the pieces will expand. Cement it all, it's not much of a problem. I didn't cement (or even prime) everything on the side of the ball valve where the nozzle is and before the first check valve. I didn't want to waste the cement there because they will not be under pressure. I now am thinking I should, in case those parts fall off for whatever reason. <_<
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| | #7 |
| Super Moderator Join Date: Jun 2003
Posts: 256
UserID: 47 | I have a question about the pressure chamber. When I made mine, I cut the 3inch pipe for the PC about 3 times larger than what it looks liek you cut in your article. I am thinking, shoudl I leave it at one, since two would be monstrous. And will havign this extra large pressyre chamber affect the performance? Thanks.
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| | #8 |
| Founder Join Date: Mar 2003 Location: College Park, Maryland
Posts: 6,086
UserID: 1 | A foot long chamber (three times longer than the 4" ones in my article) will be very hard to balance. It should perform like 3 chambers will, since it is 3 times longer. The performance difference is mostly in shot time. I think you should make it with two chambers, two 4" chambers that is (like mine).
__________________ email: Do not send me a PM or email with a water gun question if someone else could answer the question. Post at the forums. You will get a response from me along with others' views or ideas. |
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| | #9 |
| Super Moderator Join Date: Jun 2003
Posts: 256
UserID: 47 | Well, I have it in my lap right now, and it looks to be about 8 inches long. I think I will keep it as one long one, since I have already glued it together. I can use the end cap and the extra reducers for makign another pressur chmaber for two guns.
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| | #10 |
| Founder Join Date: Mar 2003 Location: College Park, Maryland
Posts: 6,086
UserID: 1 | Well expect that to be very unbalanced. It probably would make a Hasbro HQ of a sheild though! ![]() Edit: I know how you can make it smaller. Just saw it as close to the endcap as possible, sawing off the endcap. Then measure 4 inches from the straight spot in the reducer and cut at that spot on the PVC. You'll waste an endcap, but it should work good. The 2 chamber version with 4" PCs will be much more balanced than a single 8" one.
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| | #11 |
| Super Moderator Join Date: Jun 2003
Posts: 256
UserID: 47 | Yeah... Well, I am going to Home Depot to get the three materials I need. The elbow, the aluminum rod, and the ball valve (I thought I bought one, but turns out I lost it <_< ). Other than that, the gun is turnign out great. It's water tight, and seems to be pretty stable. An excellent homemade, Doom. Thanks a lot. This may sound stereotypical, but you have proven me wrong. I thought makign Homeades was goign to be hard and broing, but it turns out it is fun and interesting. It's pretty easy too! ^_^
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| | #12 |
| Founder Join Date: Mar 2003 Location: College Park, Maryland
Posts: 6,086
UserID: 1 | I know, and I'm glad someone finally believes me! Why do you think I've made a few already?
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| | #13 |
| Super Moderator Join Date: Jun 2003
Posts: 256
UserID: 47 | I have a question. I got one check valve that was thw rogn size (1/2 inch) . I am wonderign wether or not I can get a elbow peice that will transition from 3/4 inch to 1/2 inch. I cannot get another check valve, because I live really really far from Lowes. EDIT: It's done! Well, actually, the only thing left is the pump, but other than that, it's done! I sravenged a pump from ym CPS 15000, and tried it, and the gun worked great. A couple leaks on the top of the pressure chamber, but nothing too major. Of course, I had no nozzles drilled yet, so I got to witness the might of the riot blast. Pretty impressive, even when below a quarter pressure. I am not sure, but I think this marks me as the second one to complete this design. Thanks, Doom!
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| | #14 |
| Founder Join Date: Mar 2003 Location: College Park, Maryland
Posts: 6,086
UserID: 1 | Good job! Finish the pump and get some nozzles, and you'll have a gun. You are the second one to finish this specific design, which was based upon pepper's design. You're third for separate PC homemades then. I'm not sure about homemades in general, but you probably are one of the first 10 or 15. As I've told people, not very hard at all, in fact very fun! ![]()
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| | #15 |
| Active Model Builder Join Date: Sep 2003 Location: Pennsylvania, USA
Posts: 409
UserID: 62 | I talked to my dad, and he says these parts are very easy for us to get. He wanted to ask you Doom about the alluminum rod, did you weld it at all? or did you buy it in its cylindrical form? Also I really didn't understand the backpack mod thingy... Is the trashbag the inside of it? -Jade |
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