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 Post subject: Barrel TP mod
PostPosted: Wed Jan 10, 2018 5:49 pm 
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Location: Central West River Nova Scotia
Here’s an Idea I tried to increase the TP volume on a Hatsan barrel. It worked great. All I did was drill a hole completely through the barrel, then using a dremmel, I made channels from the main TP to the other two. Then cleaned up the burr on the inside.
Here’s a pic. .https://imgur.com/a/l5Isx

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 Post subject: Re: Barrel TP mod
PostPosted: Wed Jan 10, 2018 6:19 pm 
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Location: Caronport, Saskatchewan
Cool! What kind of performance increase did you see from it?

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 Post subject: Re: Barrel TP mod
PostPosted: Wed Jan 10, 2018 7:25 pm 
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wesb2007 wrote:
Cool! What kind of performance increase did you see from it?

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I used it on my SSP and got approximately 50 fps more. No loss in accuracy. A pcp would likely do better.

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 Post subject: Re: Barrel TP mod
PostPosted: Sat Jan 13, 2018 1:35 pm 
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I forgot to mention in case there are a few newbies reading. The holes in the barrel provide more air to the pellet without having to enlarge the main TP, which can only be enlarged slightly or else the pellet will fall in. Of course the TP in the valve and breech must be opened up as much as you like, or deem necessary.

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 Post subject: Re: Barrel TP mod
PostPosted: Sun Jan 14, 2018 9:26 am 
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That's a nice velocity increase, great idea!

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