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Thread: Best bang for buck tune on an HW85/95...

  1. 12-04-2016, 07:09 PM #16
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    Quote Originally Posted by the67al View Post
    Hi Jon, .22 cal hovering around 11fpe with superdomes and 12" barrel, I like it so much it's a keeper and just bought a cs500 for it to match my 99
    So you are at 74mm stroke, compred with the 99s @ 71mm

    If you had a longer barrel it would be better (like the 99)
    If you shortened the stroke another 2mm (longer nose ext), it would be a fraction quicker / better (like the 99)
    If you had both, it would be better

    I think it's mostly the barrel (length) though...
    Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
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  2. 12-04-2016, 07:19 PM #17
    the67al
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    tested a 98 shrouded .20 16" barrel on it and it was stunning to shoot, the thing hardly moved but knew I could not live with the front heavy feel.
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  3. 12-04-2016, 07:45 PM #18
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    Quote Originally Posted by the67al View Post
    tested a 98 shrouded .20 16" barrel on it and it was stunning to shoot, the thing hardly moved but knew I could not live with the front heavy feel.
    The reason that it was stunning to shoot was BECAUSE of the front heavy feel.
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  4. 12-04-2016, 08:04 PM #19
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    Quote Originally Posted by Hsing-ee View Post
    The reason that it was stunning to shoot was BECAUSE of the front heavy feel.
    Well, also the length...

    Get a regular 16" barrel and everything will be perfect

    No need for that stupid half ton 98 shroud once you short stroke them
    Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
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  5. 12-04-2016, 08:12 PM #20
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    Quote Originally Posted by HW55T View Post
    What is the piston stroke on a mk1 Hw85 I was lead to believe it is 95mm.

    Reducing the stroke by 15mm would be about right wouldn't it ?
    Ask Jon, I have forgotten, although I reduced the stroke by 13mm. I think this was a compromise as I have both .22 and .177 barrels for the rifle.
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  6. 12-04-2016, 08:45 PM #21
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    86mm on mine... so reducing by 12-13mm makes sense (maybe even just 10mm if .177)
    Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
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  7. 13-04-2016, 03:17 PM #22
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    Quote Originally Posted by Jon Budd View Post
    86mm on mine... so reducing by 12-13mm makes sense (maybe even just 10mm if .177)
    Thanks for that info Jon, I'm looking for a super quick lock time so went for the 12mm ss nose cone.

    Atb

    John.
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  8. 13-04-2016, 03:30 PM #23
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    is it worth

    Short stroking mine in .20 caliber ?

    Jonny
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  9. 13-04-2016, 05:27 PM #24
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    Quote Originally Posted by Hsing-ee View Post
    The reason that it was stunning to shoot was BECAUSE of the front heavy feel.
    Yep, but did not like the balance.
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  10. 13-04-2016, 05:41 PM #25
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    Quote Originally Posted by jonny neate View Post
    Short stroking mine in .20 caliber ?

    Jonny
    yup...
    Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
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  11. 13-04-2016, 05:42 PM #26
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    Quote Originally Posted by the67al View Post
    Yep, but did not like the balance.
    yeah, they are way too heavy with that shroud. Unshrouded 16" (old school HW Karbine length) is perfect.
    Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
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  12. 13-04-2016, 05:53 PM #27
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    thanks JB

    Might have a go when I get some time , I've got a 97 piston I fitted with a longer latch rod and don't seem to have the time to fit it in my rifle .
    Do must pull my finger out.
    Jonny
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  13. 13-04-2016, 07:07 PM #28
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    Quote Originally Posted by the67al View Post
    Yep, but did not like the balance.
    Stick a heavy scope on it or adjust with lead in the butt....
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  14. 13-04-2016, 07:28 PM #29
    fatwelshboy
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    When Bigtoe tuned my 95 he made up a sleeve and had Colin Malloy blue it. For me it's perfect, just enough weight to control muzzle flip but nowhere near as front heavy as a 98.

    http://i1197.photobucket.com/albums/...ps529343fa.jpg

    http://i1197.photobucket.com/albums/...ps8efc3eec.jpg
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  15. 13-04-2016, 07:34 PM #30
    the67al
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    Quote Originally Posted by Hsing-ee View Post
    Stick a heavy scope on it or adjust with lead in the butt....
    In all honesty it is just about right with 3-9x40 scope and a konceptus 170mm steel mod.
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