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| tomthebomb137 |
 Posted: 10/21/2007 20:20 PM Post subject: |
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Staff Sergeant
Joined: 12 Jun 2007
Posts: 124
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when you say 2" piston valve do you mean for a 2" barrel, or is this the size of the piston, and the brl size is more like 1 1/2" because i need a piston vavle for a 2" brl
thanks so much
-tom |
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| battlemonkey |
| Posted: 10/21/2007 20:50 PM Post subject: |
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Sergeant First Class
Joined: 22 Sep 2007
Posts: 137
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| i dont know if you can but if so get some umpy just bigger and cut it to size may need a lathe tho |
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| MrCrowley |
| Posted: 10/21/2007 21:19 PM Post subject: |
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Kaleun
Joined: 23 Jun 2006
Posts: 7619
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@tomthebomb
It usually refers to the size of the piston housing, which is the tee.
@battlemonkey
?  Can you reword that please. |
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| tomthebomb137 |
| Posted: 10/22/2007 13:05 PM Post subject: |
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Staff Sergeant
Joined: 12 Jun 2007
Posts: 124
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alright, then do you have any ideas for a 2in brl piston valve?
thanks again guys |
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| MrCrowley |
| Posted: 10/22/2007 13:11 PM Post subject: |
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Kaleun
Joined: 23 Jun 2006
Posts: 7619
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Same as my valve, just have the seat a smaller diameter then the piston, so maybe have a bushing as the seat instead of the 2" barrel.
If you have no idea what i'm talking about, do some more research there is plenty of info on this site. |
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| tomthebomb137 |
| Posted: 10/22/2007 16:02 PM Post subject: |
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Staff Sergeant
Joined: 12 Jun 2007
Posts: 124
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alright so you mean put a 2" to 1 1/2" on the inside of the valve at the end of the barrel so the seat extends over the ends of the 1 1/2 bushing, il have a smaller face?
am i following you?
thanks again Mrcrowley
-tom |
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| MrCrowley |
| Posted: 10/22/2007 20:40 PM Post subject: |
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Kaleun
Joined: 23 Jun 2006
Posts: 7619
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| Yeah, I think you got it. |
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| anthony5640 |
| Posted: 01/12/2008 19:27 PM Post subject: |
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Private
Joined: 24 Jul 2007
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| what do i make the piston out of? |
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| BigJon |
| Posted: 01/12/2008 19:38 PM Post subject: |
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Staff Sergeant
Joined: 30 May 2007
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| Well since its 2" pipe 1 1/4" endcaps fit pretty good. Basically anything that will fit, for example MrCrowley used a deoderent can i believe? |
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| MrCrowley |
| Posted: 01/12/2008 20:06 PM Post subject: |
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Kaleun
Joined: 23 Jun 2006
Posts: 7619
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| anthony5640 wrote: | | what do i make the piston out of? |
I'm not going to tell you, because it's all over my topic yet you failed to read it, even look at the damn pictures.
You obviously have no clue what you are doing, so learn how they work, how to build one, what the hell you are doing in the first place, then come back to me and you will realise exactly what I made it from and you will have no more questions.
Just learn what you are doing before asking questions. |
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| nabu92 |
| Posted: 01/28/2008 20:28 PM Post subject: |
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Sergeant
Joined: 21 Jan 2006
Posts: 94
193.49 Spud Bux
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| I finally understand how pistons work. Thanks. |
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| MrCrowley |
| Posted: 01/28/2008 21:11 PM Post subject: |
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Kaleun
Joined: 23 Jun 2006
Posts: 7619
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| niglch |
| Posted: 04/13/2008 19:07 PM Post subject: |
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Staff Sergeant
Joined: 07 Jul 2007
Posts: 117
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Ok, I have one more quick question:
If you make a serviceable piston housing using the 4 screws, do those screws also serve to stop the piston when it fires back with the bumper in between? I think that's what you meant, but it just seems like the screws would take a lot of the impact. Is there any possibility that this could crack the PVC that the screws are threaded through? |
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| MrCrowley |
| Posted: 04/13/2008 21:35 PM Post subject: |
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Kaleun
Joined: 23 Jun 2006
Posts: 7619
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Yes they do take the impact. I would actually never make a serviceable piston again using bolts. There are much easier ways that cost a bit more, but it'll save you in the end.
Bolts usually leak after awhile, and need sealing up, which destroys the point of the serviceable piston. Just use threaded fittings.
And yeah they probably could end up cracking the PVC. |
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| niglch |
| Posted: 04/14/2008 8:56 AM Post subject: |
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Staff Sergeant
Joined: 07 Jul 2007
Posts: 117
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| Quote: | | Just use threaded fittings. |
I feel like a total newbie asking this, but what is the proper way to put together threaded PVC parts? I tried using a threaded plug and female adapter the first time I tried building my housing but ran into some difficulties. I wrapped the male threads with about 3 layers of Teflon and tried to thread it into the adapter. However, the parts became locked up after only a few twists, and the end result was a cracked plug. Are the parts not supposed to thread completely into one another? |
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