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 Post subject: Re: Hipac Owners
PostPosted: Tue May 06, 2014 4:17 pm 
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Joined: Sun Jan 09, 2011 8:07 am
Posts: 3320
Location: Central West River Nova Scotia
Faster pellet= less shots. Heavier pellet= less speed. A 14.3 gr pellet travelling at 600 fps =11.42 foot pounds energy. Plenty for pesting out to 50 yds. I find with my hi pac that, 1500 psi, with a heavier hammer spring, and 2 extensions holds approx 55cc of air, will yeild 20 good shots, but the first 5 are below 550 fps due to the valve lock mentioned above. Under 500 fps will yeild considerably more. I managed to get 49 shots with my sling Hammer setup. A heavier hammer spring also requires a steel bolt and handle. Brass will break in no time.

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 Post subject: Re: Hipac Owners
PostPosted: Wed May 07, 2014 6:20 am 
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Joined: Sun Jul 15, 2012 10:49 am
Posts: 6029
Location: Victoria, BC and Clarkston, WA
Doublevision I go between 1800-2000psi with the valve pinned in three locations. 2260 much heavier hammer spring, not the red one supplied with the Hi-Pac.

Joe you care to share what your Sling Hammer looks like?

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 Post subject: Re: Hipac Owners
PostPosted: Wed May 07, 2014 12:21 pm 
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Joined: Sat Jun 08, 2013 2:43 pm
Posts: 282
Location: its all in the location
I'd like to see this sling shot hammer as well :wink: . I replaced the hammer spring with one out of my 2289, still somewhat getting the same results but the adjuster is not in as far.(2000psi or less) My thought last night was the hipac should be used in a smaller caliber gun and get an hpa tube for my 2260. :roll:

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 Post subject: Re: Hipac Owners
PostPosted: Wed May 07, 2014 8:32 pm 
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Joined: Mon Mar 09, 2009 6:46 pm
Posts: 1395
Location: r Alberta
I find my hiPac works best with a 1800 psi fill. If you want more shots add an extension


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 Post subject: Re: Hipac Owners
PostPosted: Wed May 07, 2014 9:24 pm 
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Joined: Sun Jan 09, 2011 8:07 am
Posts: 3320
Location: Central West River Nova Scotia
rrdstarr wrote:
Doublevision I go between 1800-2000psi with the valve pinned in three locations. 2260 much heavier hammer spring, not the red one supplied with the Hi-Pac.

Joe you care to share what your Sling Hammer looks like?

the slingshot hammer , as I call it, is not really a slingshot hammer. Merely a short heavy hammer spring so that the hammer does not rest on the valve stem, no pre load, when the hammer flies foreward it opens the valve but has no hammer bounce thus saving air. The problem is getting just the right spring.

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