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HW77 Venom Project |
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kruzaroad 
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Joined: 03 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 2623 |
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 Topic: HW77 Venom ProjectPosted: 25 Sep 2024 at 2:37pm |
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The sig was a 20fpe and as accurate as.
But it's fpe at target, which mid range muzzle energy, tends to be softer on recoil and carries power out 80m/100m. Or so I have found. |
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RangerPete
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Joined: 19 Apr 2023 Location: Cambridge. Status: Offline Posts: 1028 |
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Posted: 25 Sep 2024 at 12:08pm |
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Agree with J-S, power and accuracy are not necessarily tied together.
Powerful springers can be very accurate (one of the members here has a big Diana 56 pushing over 20FPE thats a tack driver), and lower power springers can shoot horribly.... Its all about searching for that perfect combination of rifle, pellet, and shooter. Of corse it does help if you start your search holding a good quality rifle in your hands 
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Walk quietly, but carry a big stick.
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J-S
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Joined: 20 Oct 2014 Location: Auckland Status: Offline Posts: 486 |
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Posted: 25 Sep 2024 at 3:32am |
Cheers; At the moment its in the safe, only a small job to do which is smooth out the cocking slot for a screw to ride in that keeps the piston centred; its a bit tight and gritty but other than that it shoots well. Power vs accuracy is often a matter of pellet choice and getting used to how the rifle likes to be shot. considering the HW77, full power is only around 15-16fpe so no magnum anyway so its not a huge difference to the uk power. Ive had the most changes in my TX200, which summarised below: (the TX200 mkiii is really made for export / high power, so the brits are less keen on this one compared to the older mkii which was 12fpe) - Factory standard full power - 15ish fpe; snappy cycle with a bit of thump, stacked pellets with JSB exact Heavy 10.34gr. - added spring guides from TBT - made rifle smoother but didnt change power or accuracy - reduced power for target shooting with TBT short sproke extension; this uses the full power spring for a quick snappy cycle with less felt recoil, and reduced air volume which basically replicates the older mkii. Best pellet now JSB exact Express (hates the heavies now with reduced power) and around 11fpe - went to a skirtless piston from UK, recoil is reduced further, spring is still a strong spring so a quick cycle - very efficient. similar power to above but slightly lower, now it likes QYS Streamlined pellets which is unfortunate because they arent readily available here.. JSB Express are second in line. so a matter of getting used to the rifle and how it shoots, how it likes to be held, and pellet testing when you change power. magnum power will be harder to control, think 22fpe HW80, Diana magnums etc, but if they have a good barrel and predictable trigger they have the potential to be just as accurate as low power if you do your part - low power is just easier to achieve the accuracy / consistency..
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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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JasonEdward
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Joined: 22 Sep 2024 Location: Waihi Status: Offline Posts: 186 |
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Posted: 24 Sep 2024 at 4:59pm |
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Any updates?
What a very beautiful rifle you have made. Just lovely. Does it group up well? One question i need to ask you who know - for best accuracy, is it a good idea to keep power down to the Brits under 12 requirement or can springer shoot as straight with more power? |
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J-S
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Joined: 20 Oct 2014 Location: Auckland Status: Offline Posts: 486 |
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Posted: 19 Apr 2023 at 10:47am |
Thanks. The lawn - Thats called ‘saturation’ and ‘vibrancy’ in the phone photo editing settings.. Edited by J-S - 20 Apr 2023 at 7:00am |
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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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Pauly5
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Joined: 11 Mar 2013 Location: Titahi Bay Status: Offline Posts: 1663 |
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Posted: 19 Apr 2023 at 8:55am |
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What a lovely piece there Jono. I must say your lawn looks good too.
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J-S
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Posted: 19 Apr 2023 at 8:08am |
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Well, she’s all together. Looking good, shooting smooth at 11.2fpe / 740fps.
Went to go get it sighted in roughly before taking to the range and the scopes out of elevation!! Bugger. Now just to get some adjustable mounts to try and get it nicely on paper!  
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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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J-S
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Joined: 20 Oct 2014 Location: Auckland Status: Offline Posts: 486 |
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Posted: 18 Apr 2023 at 5:45am |
Thanks, but im just putting together other folks bits so cant claim any of their kudos, but its coming together nicely. The CS stock is nice, the thumb up groove is really comfortable. They've been making stocks for a lot of the UK brands in the 80s and 90s (Theoben, Venom, Air Arms, etc), and their current offerings are still in that style which i like.
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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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J-S
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Joined: 20 Oct 2014 Location: Auckland Status: Offline Posts: 486 |
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Posted: 18 Apr 2023 at 5:36am |
Thanks, it looks great installed with the jeweled finish in the breech area. Yes, it was expensive compared to some kits, about the price opf buying a cometa fusion... But when you consider that the piston is titanium, and its the complete internals including the compression tube with breech seal, piston, piston seal, piston liner, spring, spring guides and spare washers, the finishing etc, and the labour to make it all, prelubricate it so its a 'drop in' kit, and test its power before getting out the door, im ok with the price.. oh, and a sticker too.. Its installed now ands shooting 11.2ft lb, and its nice and smooth. Not super fast - 740fps-ish, but nice to shoot. |
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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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Billbobnz
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Joined: 14 Jun 2020 Location: Ashburton Status: Offline Posts: 918 |
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Posted: 16 Apr 2023 at 6:00am |
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J-S always has the sexiest rifles
 Looks an absolute stunner. Love the groove for thumbs up shooting |
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J-S
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Joined: 20 Oct 2014 Location: Auckland Status: Offline Posts: 486 |
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Posted: 15 Apr 2023 at 10:33am |
The jeweled part is the visible section, the rest is less bling.. But i got a cool sticker too! I imagine the piston is titanium, the comp tube doesnt need to be.. It was chronoed at 11.6fpe before leaving UK so will be interesting to see where its at in the old 77 |
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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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Myson
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Joined: 07 Mar 2016 Location: Feilding Status: Offline Posts: 224 |
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Posted: 15 Apr 2023 at 10:31am |
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Stunning looking rifle Jono!!! Excellent job!
Is that Paul Short stage 4 titanium kit an alien artifact?!!!  That looks "out of this world"! You'll be shooting beyond the speed of light with that kit fitted! It'll probably sort out Vampires too!! I guess that was a wee bit expensive? But Top Shelf eh?! Great project.... |
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https://www.youtube.com/watch?v=eq7jVyBfFqE
Air Arms S510 US .22 Air Arms S410 .22 Weihrauch HW97KT .177 Weihrauch HW95 .177 |
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Pauly5
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Joined: 11 Mar 2013 Location: Titahi Bay Status: Offline Posts: 1663 |
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Posted: 15 Apr 2023 at 9:39am |
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Internal bling.
very nice. Are both piston and cylinder Titanium? It'll be good to hear how it shoots?
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J-S
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Joined: 20 Oct 2014 Location: Auckland Status: Offline Posts: 486 |
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Posted: 15 Apr 2023 at 5:34am |
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Well after installing the V-Mach kit, it’s struggling to make 10fpe, so I got talking with Paul Short in UK after enquiring if he could confirm the trigger was one of his early super set backs (which it was), and after initial likely diagnosis that the comp tube is leaking I was sick led into the rabbit hole of tuning and ended up with this on my doorstep; a Paul Short stage 4 titanium kit. Includes the piston and comp tube, both glided, spring and custom guides, seal, all pre-lubed very sparingly ready to drip in. It’s a lovely bit of kit and currently in process of selling a kidney to recoup costs but will be nice to have the rifle up and running better than new and in the heritage in which it started being customised.
It still has a venom muzzle but it’s very much a Paul Short HW77 
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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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J-S
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Joined: 20 Oct 2014 Location: Auckland Status: Offline Posts: 486 |
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Posted: 24 Nov 2022 at 7:11am |
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Cheers guys!
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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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JasonEdward wrote: