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 Post subject: discovery tube problem
PostPosted: Wed May 14, 2014 5:51 pm 
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Location: Central West River Nova Scotia
I just received a discovery tube for my 22xx build. The problem is it has a large hole for a pressure gauge, which I don,t want. Does anyone know of a part that will fill that gap ? perhaps a custom made piece ?

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PostPosted: Wed May 14, 2014 6:34 pm 
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You can get the gauge block from a PRod and install either a gauge into it, or a 1/8" NPT plug.... It installs in the tube straddling the hole with an O-ring on either side to seal it.... I suggest the PRod one as it has a larger through hole than the Disco unit for better airflow into the valve.... You can also get an extended front end for the valve from HPA Sports that seals in front of the hole instead of behind it....

Bob

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PostPosted: Wed May 14, 2014 6:42 pm 
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rsterne wrote:
You can get the gauge block from a PRod and install either a gauge into it, or a 1/8" NPT plug.... It installs in the tube straddling the hole with an O-ring on either side to seal it.... I suggest the PRod one as it has a larger through hole than the Disco unit for better airflow into the valve.... You can also get an extended front end for the valve from HPA Sports that seals in front of the hole instead of behind it....

Bob

Thanks Bob.

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PostPosted: Thu May 15, 2014 7:18 am 
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Location: 123 gun street Nova Scotia
i'll check and see if i have one here if so you can have it . or a plug can be made very cheap


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 Post subject:
PostPosted: Thu May 15, 2014 1:49 pm 
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Location: Woodstock
I can make one for you free of charge. Are you going to run a gauge?

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 Post subject: Re:
PostPosted: Thu May 15, 2014 3:45 pm 
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DerekVinyard wrote:
I can make one for you free of charge. Are you going to run a gauge?

That would be great. No I dont want a gauge as the fore stock is already finished and I dont want to cut into it.

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 Post subject: Re:
PostPosted: Thu May 15, 2014 4:31 pm 
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DerekVinyard wrote:
I can make one for you free of charge. Are you going to run a gauge?


Micheal beat me to that one! :D

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PostPosted: Thu May 15, 2014 7:07 pm 
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Thanks . The helpful people on here never cease to amaze me.

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PostPosted: Thu May 15, 2014 9:40 pm 
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Does the disco "gauge adapter" just extended the depth to fit the stock?
That is, can you spin a guage directly into it, 1/8" npt style?

HPA sports doesn't list a valve extender Bob, is it a custom order or just missing from their store?
Sorry to read your mi$fortune Joe.


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PostPosted: Thu May 15, 2014 9:46 pm 
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I think thay should be available with or without the hole.

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PostPosted: Thu May 15, 2014 10:32 pm 
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Seems to me like a good place to adjust that in-tube regulator I just imagined.


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PostPosted: Thu May 15, 2014 10:53 pm 
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It's no problem Joe, just a simple part I can turn at work between calls... The hard stuff to make is the parts at home, as I work 57hrs a week on average.
I'm in this for the fun of plinking, same as you... I should have it ready next week. PM me your address.

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PostPosted: Fri May 16, 2014 6:14 am 
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blarg wrote:

HPA sports doesn't list a valve extender Bob, is it a custom order or just missing from their store?


Here ya go :wink: : http://www.hpasports.com/pages/product- ... s_url_id=1

I bought two of them from Joe last year...one I left "stock" for my 2260 HPA, the other one I drilled/tapped 1/8" NPT to fit an M-rod gauge on my Disco tube. Both work perfectly!

EDIT: He appears to be sold out at the moment :( ....hopefully he makes more soon!

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PostPosted: Fri May 16, 2014 9:35 am 
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sholo wrote:
blarg wrote:

HPA sports doesn't list a valve extender Bob, is it a custom order or just missing from their store?


Here ya go :wink: : http://www.hpasports.com/pages/product- ... s_url_id=1

I bought two of them from Joe last year...one I left "stock" for my 2260 HPA, the other one I drilled/tapped 1/8" NPT to fit an M-rod gauge on my Disco tube. Both work perfectly!

EDIT: He appears to be sold out at the moment :( ....hopefully he makes more soon!

$38.50 plus tax and shipping ? You gotta be kidding.

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PostPosted: Fri May 16, 2014 5:03 pm 
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A Disco Gauge Block (the part that goes into the tube) is NOT threaded with 1/8" NPT threads, the Disco Gauge Adapter (the part that extends the gauge) seals into it with an O-ring and the threads are straight not tapered.... The female end of the adapter where the gauge fits is 1/8" NPT.... The PRod Gauge Block IS threaded 1/8" NPT because the gauge threads into it directly (no extender/adapter).... In addition, the through hole is larger than the Disco one, so the gun will deliver more power, especially if it is modified....

RE the price of custom machined parts and accessories, I get REALLY tired of guys not wanting to pay a decent rate for shop time and materials.... That is exactly why I refuse to make ANY parts for sale.... I don't mind working for myself for $1.00 an hour, but I won't do custom machine work for less than $20.00/hr. plus materials, and nobody wants to even pay that.... Somebody trying to make a living at it, and paying the bills, can't even afford to work at that rate....

Bob

_________________
Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal;
Too many! Springers, Pumpers, CO2, but I love my PCPs and developing them!
Proud Member of the 2000+fps Club!


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