Recent Posts

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Airgun Meets and Shows / Re: 2018 Baldwinsville, NY Airgun show
« Last post by mcoulter on Today at 01:42:14 PM »
The info didn't make it.

Thanks, it should be fixed now   ::)
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Airgun Meets and Shows / Re: 2018 Baldwinsville, NY Airgun show
« Last post by Alan on Today at 01:38:33 PM »
The info didn't make it.
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PCP, C02, and Helium Powered Airguns / Re: A new HUMA's in the house
« Last post by mcoulter on Today at 09:46:00 AM »
I still feel like I'm chasing my tail.  I now have more pellets and a fresh fill on my tank.  It's time to take Bob's advise and see how it goes!

http://airgunguild.com/ask-bob/tuning-a-regulated-pcp/msg20336/#msg20336
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Airgun Meets and Shows / 2018 Baldwinsville, NY Airgun show
« Last post by mcoulter on Today at 09:13:14 AM »
Here are the dates and more info:

Friday, July 27 11am to 5pm
Saturday, July 28 from 8am to 5pm

Admission $5

Here's more info:

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PCP, C02, and Helium Powered Airguns / Air Force Bell Curve
« Last post by sixshootertexan on Today at 06:04:58 AM »
I'm working on a AF rifle for a friend of mine. Does anyone know what the bell curve should look like on a stock .25 Condor? I'm looking to have an average velocity of 950. Hoping to not have to shoot a tin of pellets to figure this out.
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General Airgun Forum Discussion / Chrony numbers
« Last post by Bigredhunter00 on April 24, 2018, 05:44:16 PM »
Monkeydad chronied my escape. Power wheel 8/1. Less than 20psi per shot.
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Airgun Guild Forum Announcements / Bling!!!
« Last post by Alan on April 24, 2018, 04:31:29 PM »
Thanks to Steveoh for enlightening me. As a result, I've set up a store at CafePress.com. As soon as the logo is approved, and I pick the things we can buy reasonably, Steveoh will set up the Guild Mall with a link to the right store at CafePress.

They have caps, shirts, Ts, and even thong underwear replete with the Guild Logo! At present, only the three color logo will be available, but once we get approved, I'll add the B&W one too.

You can thank Steveoh!
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Ask Bob / Re: Internal threading Strength Requirements
« Last post by rsterne on April 24, 2018, 07:08:54 AM »
The standard threading used on an MRod tube, which is 1.125" x 20 TPI should be fine, using a 1/2" thread engagement.... The threads are large enough at the root to have to bore the end of the tube slightly (about 0.004" per wall), and yet leave sufficient material above the top of the threads in the tube wall to resist the axial loads of the end plug.... You could also use 24 TPI, but you would have to bore the tube ID out more, so no advantage.... and the minimum diameter of the female threads in the tube would be less than the tube ID (without boring) if you used 16 TPI, so that is not as good....

Using 1.125" OD threads, at 4,500 psi, the minimum safety factor for the installation is for the remaining tube wall, and that is 5.5:1.... This requires that the O-ring that seals the plug be INBOARD of the threaded portion of tube, of course, so that the O-ring bears on the full thickness tube wall.... and the thinner portion of the thread root is not under pressure.... and hoop strength at that point is not an issue....

Bob
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Ask Bob / Internal threading Strength Requirements
« Last post by Aerotulz on April 24, 2018, 03:59:37 AM »
I have some 1.25" X .092" ti tube that I want to make into an HPA reservoir. I'm planing on 4300-4500 psi charge pressure and using 7075 alum as the threaded end plug. What is the thread pitch and length of thread needed for this project?
Thx, aerotulz
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Airgun Meets and Shows / 2018 Texas Airgun Show and Field Target Match
« Last post by sixshootertexan on April 23, 2018, 09:28:33 PM »
Gun Show June 23 Saturday
Field Target Match June 24 Sunday

For more info click the link.

http://texasairgunshow.com/
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