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TX200 MKII - Walnut
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Stuart View Drop Down
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    Posted: 02 Aug 2023 at 6:31am
Spring has less load due to steel top hat replaced with Nylatron one with shorter shoulder length resulting in less weight which could have an effect on piston speed, spring pre load could be increased but nice how it is.
Lots of variables in a springer for sure. Just nice to improve things from a gun that had swept volume mainly designed for plus 12ft/lb when adding stronger spring for UKs overseas markets and UK had weaker spring for home market but still with the long stroke.
The internals of the gun I’m on about is for TX200mk3 and later Prosport not the TX200mk2
Sorry should have seen the main post was for the TX200 MKII

Edited by Stuart - 02 Aug 2023 at 7:01am
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Pauly5 View Drop Down
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They call that swept volume.

Tony Leech in the UK has a FB page dedicated to it.
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I see 👍🏻.
Thanks.
Walk quietly, but carry a big stick.
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nunga View Drop Down
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It more or less just makes the piston longer and it doesnt travel as far when the gun is fired. this cuts down the vibrations when the piston hits the end of the cylinder and the spring does not have as much load on it. But it doesnt generate the same amount of power because you lose the air volume which is taken up by the longer piston inside the cylinder.
2nd place HP springer - WFTF World Championships 2014
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Stuart View Drop Down
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Hello Pete.
Have a read of this site, it explains it better than myself but I have done similar modification on my Prosport
and has improved the firing cycle and increased accuracy. Piston extension resulting in Less swept volume of the piston giving marginally quicker piston time, not a faster piston just shorter time, not increased power just better feel when that shot is taken.
Definitely recommend these modifications.
Go on site below.
https://nbroadsman.me.uk/index.php/air-rifles/air-arms-tx200-hc-tuning
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RangerPete View Drop Down
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Hi Stuart,
Excuse my ignorance, but what is short stroking?
Pete.
Walk quietly, but carry a big stick.
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Stuart View Drop Down
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Short stroked my Prosport and with an O’ring seal running at 11.2 ft/lb .177 jsb 10.3 head shots on Rabbits
Just as dead as with a .22.   Accuracy is what I want and short stroking has improved this gun.
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INDER View Drop Down
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Originally posted by J-S J-S wrote:

Originally posted by INDER INDER wrote:

Originally posted by J-S J-S wrote:

The HW97 and AA TX200 are both very much top end springers, there are other options for hunting though if you want more power - the HW80 is a great break barrel air rifle and some offerings by Diana aswell.


Yes JS, 

I believe in .177 for feather and .22 (And Above) for fur. I believe TX and HW97 are best in .177 and Diana52 and HW80 are best in .22 so will pick up all four (One can wish isn't it LOL)

-Inder

Well thats a great shopping list indeed! I have heard the Diana is a heavy beast, but the HW80 is a great gun for hunting. 
I dont get to do a lot of hunting, but have a .22 Theoben Sirocco in the safe should such an occasion arrise 

D52 is indeed heavy and a bit fiddly to cock but it fits me like glove. In fact I won a competition with .22 beating .177 TX , HWs and Pro-sports. I love it

-Inder
FAC Diana52 .22 with Maccari kit - Bushnell Legend 5-15*40
FAC HW97 .177- Bushnell Legend Ultra HD Mildot 4.5-14×44
FAC TX200HC .177- Bushnell Legend Ultra HD Mildot 4.5-14×44
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J-S View Drop Down
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Originally posted by INDER INDER wrote:

Originally posted by J-S J-S wrote:

The HW97 and AA TX200 are both very much top end springers, there are other options for hunting though if you want more power - the HW80 is a great break barrel air rifle and some offerings by Diana aswell.


Yes JS, 

I believe in .177 for feather and .22 (And Above) for fur. I believe TX and HW97 are best in .177 and Diana52 and HW80 are best in .22 so will pick up all four (One can wish isn't it LOL)

-Inder

Well thats a great shopping list indeed! I have heard the Diana is a heavy beast, but the HW80 is a great gun for hunting. 
I dont get to do a lot of hunting, but have a .22 Theoben Sirocco in the safe should such an occasion arrise 
J S Airguns
Air Arms TX200('s)
Theoben Sirocco
HW77
FWB 300s
Webley Patriot
One or two others...

Current projects:
Too many..
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Posts: 14 		Post Options Post Options   Thanks (0) Thanks(0)   Quote INDER Quote  Post ReplyReply Direct Link To This Post Posted: 15 Dec 2021 at 10:11am
Originally posted by J-S J-S wrote:

The HW97 and AA TX200 are both very much top end springers, there are other options for hunting though if you want more power - the HW80 is a great break barrel air rifle and some offerings by Diana aswell.


Yes JS, 

I believe in .177 for feather and .22 (And Above) for fur. I believe TX and HW97 are best in .177 and Diana52 and HW80 are best in .22 so will pick up all four (One can wish isn't it LOL)

-Inder
FAC Diana52 .22 with Maccari kit - Bushnell Legend 5-15*40
FAC HW97 .177- Bushnell Legend Ultra HD Mildot 4.5-14×44
FAC TX200HC .177- Bushnell Legend Ultra HD Mildot 4.5-14×44
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dvlnme View Drop Down
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Posts: 519 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dvlnme Quote  Post ReplyReply Direct Link To This Post Posted: 15 Dec 2021 at 5:56am
hi Jono,can you email me my fone dumped all my emails etc off fone and computer so have lost all the info we had been talking about mate.
 cheers
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J-S View Drop Down
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You are one luck chap Sir Smile

I have already money kept on the side to buy a TX and a HW97/77 if I ever make it to NZ. Just don't see any other springer which can compete with these 

BTW do you know what was the differene between MKII and MKIII. Is it only stock or something in internals too?

-Inder 
[/QUOTE]

The MKIII was more built for full power for the export market. I may be wrong but pretty sure the mkII is only UK 12 footpound. It has a strong spring, and a fairy short stroke. The MKIII has a shorter piston so more swept volume, and with a strong spring gets around 16footpound. In UK the MKIII has a weaker spring to meet 12footpound limits, so its a little slower shot cycle and less preferred than the MKII.

Its a very easy rifle to dissemble and a lot of aftermarket options to tailor it to your shooting.

The HW97 and AA TX200 are both very much top end springers, there are other options for hunting though if you want more power - the HW80 is a great break barrel air rifle and some offerings by Diana aswell.

J S Airguns
Air Arms TX200('s)
Theoben Sirocco
HW77
FWB 300s
Webley Patriot
One or two others...

Current projects:
Too many..
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INDER View Drop Down
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Posts: 14 		Post Options Post Options   Thanks (0) Thanks(0)   Quote INDER Quote  Post ReplyReply Direct Link To This Post Posted: 11 Dec 2021 at 11:13am
Originally posted by J-S J-S wrote:

Thanks Inder, they are a great rifle. I have three right now; this walnut one that may not get a lot of use which will keep it in nice condition. I use a beech TX200 tuned to sub12 for target shooting and a .22 tx200 that was a bit of a project.

You are one luck chap Sir Smile

I have already money kept on the side to buy a TX and a HW97/77 if I ever make it to NZ. Just don't see any other springer which can compete with these 

BTW do you know what was the differene between MKII and MKIII. Is it only stock or something in internals too?

-Inder 
FAC Diana52 .22 with Maccari kit - Bushnell Legend 5-15*40
FAC HW97 .177- Bushnell Legend Ultra HD Mildot 4.5-14×44
FAC TX200HC .177- Bushnell Legend Ultra HD Mildot 4.5-14×44
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J-S View Drop Down
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Posts: 487 		Post Options Post Options   Thanks (0) Thanks(0)   Quote J-S Quote  Post ReplyReply Direct Link To This Post Posted: 11 Dec 2021 at 6:54am
Originally posted by INDER INDER wrote:

TX line of rifle are beauties. Enjoy it in good health.

-Inder


Thanks Inder, they are a great rifle. I have three right now; this walnut one that may not get a lot of use which will keep it in nice condition. I use a beech TX200 tuned to sub12 for target shooting and a .22 tx200 that was a bit of a project.
J S Airguns
Air Arms TX200('s)
Theoben Sirocco
HW77
FWB 300s
Webley Patriot
One or two others...

Current projects:
Too many..
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INDER View Drop Down
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Posts: 14 		Post Options Post Options   Thanks (0) Thanks(0)   Quote INDER Quote  Post ReplyReply Direct Link To This Post Posted: 10 Dec 2021 at 6:31pm
TX line of rifle are beauties. Enjoy it in good health.

-Inder
FAC Diana52 .22 with Maccari kit - Bushnell Legend 5-15*40
FAC HW97 .177- Bushnell Legend Ultra HD Mildot 4.5-14×44
FAC TX200HC .177- Bushnell Legend Ultra HD Mildot 4.5-14×44
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