HW80 |
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grbaker5
Member Joined: 15 Sep 2021 Location: Te Horo Status: Offline Posts: 10 |
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Posted: 03 Nov 2022 at 12:09pm |
I would definately remove the old grease and then Moly grease the spring... not heaps but enough to allow smooth metal on metal contact. Just some thoughts... the twang sound is generated right next to you ear when firing. If you stand away from the rifle (have someone else fire it) it isn't that loud... I have found springs quiter than thump of nitro-pistons but that may be subjective. If it makes a twack sound the spring is broken... so twang is good. Vortex and other make after-market nylon spring guide kits, including HW80s. I have one to fit to my TX200 but I haven't bothered since its twang doesn't scare the bunnies. http://vortekproducts.com/ourstore/index.php?route=common/home Obviously they ship to NZ but not sure wehat that would cost presently.
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 2284 |
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If I've ever heard an excuse for a beer, that's got to be it.
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dvlnme
Senior Member Joined: 30 May 2017 Location: taranaki Status: Offline Posts: 519 |
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its generaly accepted in UK that it only takes 6fpe from small 177 pellet to cleanly kill rabbits with a head shot,the main advanages of higher velocitys are higher fpe/flatter trajectorys/shorter flight time and capability to use heavier pellets at decent velocitys,the advantage of heavier pellets is tho velocity maybe lower than lighter pellets they hold that velocity for longer and tend to shoot flatter for longer distances than lighter pellets so hold more energy for longer as well and tend not to be as affected by wind as much lighter pellets,in the end it all comes down to the most accurate pellet for the rifle or pistol, learning its trajectory out to the max distance you are most likely to shoot it out to,and then put a lot practice into learning how to shoot it over a range of distances out to that max distance,its really all about learning your rifle and what its capable of,the kill area of a rabbit/hares head is approx 25mm in diameter for a brain kill shot,i use twist caps of my beer bottles for practice hunting targets,because they are easy to see and reacte when hit i place them at radom distances out to100m,when i can no longer consistantly hit these 27mm targets thats the max distance i use that gun for hunting,i find this works better for me than paper targets because i dont need to check targets to know when i hit them and they lot more fun to shoot at than paper eh.
cheers mike
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flock
Senior Member Joined: 27 Jan 2022 Location: Christchurch Status: Offline Posts: 93 |
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Thanks for the offer, JSBs are doing fine. 3 shots threw each other at 25 yards.
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 2284 |
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It still has around 5fpe @ 128m.
you want me sort out 20 AA field 16gr pellets and send them to you for trial. save buying a tin |
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 2284 |
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I ran 14.3gr round nose deablo through gun chair at 750 ftps
Here's the graph. Thats enough to bowl a hare over at 100yards, 91.44m. |
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flock
Senior Member Joined: 27 Jan 2022 Location: Christchurch Status: Offline Posts: 93 |
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only spitting the 14g at 750
Edited by flock - 31 Oct 2022 at 3:46pm |
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dvlnme
Senior Member Joined: 30 May 2017 Location: taranaki Status: Offline Posts: 519 |
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js is proberly right about your rifle,but higher fpe isnt everything when comes to airgun hunting,i have no hesitation taking a 12fpe 177/22 cal gun small game hunting as js said they doso very effectivly in the UK out to considerable distances with 12fpe rifles i have 177cal pcp rifles that are twice 12fpe and 22 cal rifles up to 3 or more times 12fpe i use for hunting,the only real advantage more than 12fpe is the rifles can effectivly use much heavier pellets a decent velocitys,it really all comes down to accuracy accuracy is key for effective airgun hunting,any rifle that will keep 5 shots within 10mm at 15yds will be very capable of head shots on rabbits etc out past 50yds as many forum members can attest to,there is no point chasing more power if accuracy deterorates at higher power levels as it can do at times,
there is bound to be a 16gr pellet this rifle will shoot very accuratly,its just a matter of trying different 16gr pellets til you find one that will give you the accuracy you want thats my two bobs worth anyway. cheers mike
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flock
Senior Member Joined: 27 Jan 2022 Location: Christchurch Status: Offline Posts: 93 |
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Thanks J-S tried the 16g JSBs but the accuracy wasn't there, the 14g JSBs shot real well. Will put up with the tang, next time I'll go the TBT way.
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J-S
Senior Member Joined: 19 Oct 2014 Location: Auckland Status: Offline Posts: 425 |
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The HW80 should be around 20fpe. it may be a case that its in fact a UK sub12 model? if that is the case, it may be oversprung which is trying to force power resulting in a harsh cycle. Its a large capacity rifle so at 18fpe it should be pretty smooth - like a 17/18fpe rifle performing at 15fpe will be a lot more tame. sub12 will usually have "Hull Cartridge" on barrel. OX mainsprings are notoriously reviewed as pretty average and removed pretty quickly by airgun tuners.. id stay clear. Weihrauch original springs are likely some of the best quality around. I would try and ascertain for sure its not a 12fpe model, then give it a strip down, clean out, re-lube, change the seal and spring to HW original, (also look into Titan springs for aftermarket) Polishing the spring ends and using a little moly paste can help twang Or go the tuning route - TBT (airrifletuning.co.uk) have a pro kit including spring guides and spring etc Nick from TBT is helpful, so he may be able to give advice as well - to ascertain if its a full power or UK version. Weihrauchs do twang, the spring guides are steel and not usually a tight fit (perhaps allowing some variance in spring winding?) so can be a little harsh until they settle. Tight fitting guides will eliminate a lot of the twang and a thin layer of grease will help as well. Id use a dry spring in a low power target rifle but not in a high power sporter. |
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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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