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| noname |
 Posted: 03/28/2007 23:02 PM Post subject: How to further mod a sprinkler |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2509
2698.56 Spud Bux
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Well, I'm needed a valve for a new cannon. A sprinkler valve doesn't have enough flow, and a piston valve is too bulky, and not low profile. So, I modded the $hit out of a sprinkler.
WARNING: Modifying a blowgun may ruin the seal if you're not careful. This has happened to me, don't blame me if you mess it up.
| Description: |
| The diaphragm is made from 1/8” sheet rubber, and a steel token slightly smaller than the spring, so the diaphragm is aligned. |
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14.36 KB |
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3311 Time(s) |
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| Description: |
Part 1: Modifying the blowgun
A regular Husky blowgun. |
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102.16 KB |
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85 Time(s) |
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62.54 KB |
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86 Time(s) |
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| Take out everything but the spring. |
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61.55 KB |
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91 Time(s) |
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61.25 KB |
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85 Time(s) |
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| Description: |
| The inside parts look like one, but they're two pieces. |
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48.85 KB |
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83 Time(s) |
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73.38 KB |
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93 Time(s) |
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| Description: |
| The finished bolt should be about half the width of what there was to begin with. |
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57.19 KB |
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100 Time(s) |
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| Description: |
The starting hole was smaller than a .177 BB.
The finished one is over 1/4.” Now put everything back together. |
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51.58 KB |
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78 Time(s) |
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| Description: |
Part 2: Modifying the diaphragm
The “regular” version. |
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56.73 KB |
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86 Time(s) |
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| Description: |
| The new version, capable of 175 psi, with loads more flow. |
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47.76 KB |
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82 Time(s) |
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| Description: |
| Another shot of the new version. |
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60.9 KB |
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80 Time(s) |
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| noname |
| Posted: 03/28/2007 23:03 PM Post subject: |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2509
2698.56 Spud Bux
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How'd the picture of the new diaphragm get up there? 
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| A-98 |
| Posted: 03/28/2007 23:07 PM Post subject: |
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Pussy Lover
Joined: 27 Apr 2006
Posts: 907
135.08 Spud Bux
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very nice job, however, it seems that the new diaphragm is in a different place(lower down) than the original, so how exactly does it work?
is the metal peice on the new diaphragm a coin?
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| noname |
| Posted: 03/28/2007 23:11 PM Post subject: |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2509
2698.56 Spud Bux
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It is lower down, which means it moves up, allowing an assload more air through at once. It's like a really high flow QEV, except 8 bucks cheaper and inline.
The metal piece is indeed a coin, a token to be exact. It's thick steel and fit right into the spring, so I used it.
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| A-98 |
| Posted: 03/28/2007 23:14 PM Post subject: |
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Pussy Lover
Joined: 27 Apr 2006
Posts: 907
135.08 Spud Bux
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OH! i see how it works now. silly me 
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| hi |
| Posted: 03/29/2007 0:08 AM Post subject: |
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Major General
Joined: 01 Feb 2007
Posts: 1431
971.88 Spud Bux
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| Do you have to drill out the blow gun? Thats really cool, im going to do that to mine.
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| noname |
| Posted: 03/29/2007 17:39 PM Post subject: |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2509
2698.56 Spud Bux
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| You can, you'll get much better flow.
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| lukemc |
| Posted: 03/29/2007 17:50 PM Post subject: |
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Colonel
Joined: 25 Feb 2007
Posts: 561
54.59 Spud Bux
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| i cant really see what you did to the blow gun did you just sand it down so the diameter is smaller?
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| mopherman |
| Posted: 03/29/2007 17:52 PM Post subject: |
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Brigadier General
Joined: 03 Feb 2007
Posts: 794
842.90 Spud Bux
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| how do you refove the phram? just yank it?
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| hi |
| Posted: 03/29/2007 18:07 PM Post subject: |
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Major General
Joined: 01 Feb 2007
Posts: 1431
971.88 Spud Bux
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| mopherman wrote: | | how do you refove the phram? just yank it? |
It a really complex process of unscrewing the top and ( make sure you dont loose the screws) taking it off.
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| noname |
| Posted: 03/29/2007 18:09 PM Post subject: |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2509
2698.56 Spud Bux
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lukemc, use a fine file to file it down to about half the original width.
mopherman, where the solenoid was, there is a circle of rubber. Peel it up, then peull hard to get the diaphragm out.
I forgot to mention this:
To anyone who is using this mod, the first time I tried a valve like this, it leaked like hell out the sides. All you need is an O-ring to fit into the circular groove that the diaphragm's edge was set into.
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| mopherman |
| Posted: 03/29/2007 18:15 PM Post subject: |
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Brigadier General
Joined: 03 Feb 2007
Posts: 794
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| landoklr250 |
| Posted: 03/29/2007 19:01 PM Post subject: |
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Private
Joined: 30 Jan 2007
Posts: 11
27.74 Spud Bux
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| I dont see how a modded blowgun can allow more airflow than a sprinkler valve. The opening on a blowgun isnt but like 1/4". you can get a 1" sprinkler valve and mod it.
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| noname |
| Posted: 03/29/2007 19:04 PM Post subject: |
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Mr Vortex
Joined: 10 Apr 2006
Posts: 2509
2698.56 Spud Bux
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Read the original post again, but the whole thing this time.
I'd have to admit, I love it when noobs tell me stuff like this!
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| landoklr250 |
| Posted: 03/29/2007 19:09 PM Post subject: |
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Private
Joined: 30 Jan 2007
Posts: 11
27.74 Spud Bux
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| Sry, im an idiot but computer didnt load everything. Now i see what u mean
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