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Spring sleeve for springers? https://www.airgunforum.ca/forums/topic76420.html |
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Author: | DDtank [ Thu Jun 01, 2017 7:28 am ] |
Post subject: | Spring sleeve for springers? |
I have read about the idea of making a spring sleeve / piston liner, cut out of a thin plastic bottle or beer can and with one end folded over to be held under the top hat. Is this worth bothering with? |
Author: | leadslinger [ Thu Jun 01, 2017 7:49 am ] |
Post subject: | Re: Spring sleeve for springers? |
DDtank wrote: I have read about the idea of making a spring sleeve / piston liner, cut out of a thin plastic bottle or beer can and with one end folded over to be held under the top hat. Is this worth bothering with? Don't do a beer can. I use a pop bottle in mine. I found the can twisted and got chewed up and alum can all in the action. |
Author: | DDtank [ Thu Jun 01, 2017 8:00 am ] |
Post subject: | Re: Spring sleeve for springers? |
Yes, that's what I have read can be used but I would also be inclined to use plastic if I do it at all. What does it bring for you? |
Author: | leadslinger [ Thu Jun 01, 2017 8:27 am ] |
Post subject: | Re: Spring sleeve for springers? |
DDtank wrote: Yes, that's what I have read can be used but I would also be inclined to use plastic if I do it at all. What does it bring for you? It got rid of some of the spring twang on my Vantage. Its more of a pop now. I might have made the alum sleeve too tight but it was fun cleaning. Bits and pieces of can all in the spring. |
Author: | Ace [ Thu Jun 01, 2017 9:37 pm ] |
Post subject: | Re: Spring sleeve for springers? |
beer can is a bit too soft use a pop can... |
Author: | ricksplace [ Fri Jun 02, 2017 3:04 am ] |
Post subject: | Re: Spring sleeve for springers? |
I used the plastic from a yogurt tub. It's thicker than aluminum from a beverage can, and doesn't shred. The sleeve reduces spring twang and noise. It will probably have little affect on accuracy. It may have some very minor affect on velocity, but you wouldn't be able to tell the difference without a chronograph. It's a good mod to include when you have the gun apart for a tune. It tends to make the gun more pleasant to shoot. The plastic sleeve on one of my rifles is going on 3000 shots with no sign of fatigue. Cheers! Rick. |
Author: | Ace [ Fri Jun 02, 2017 10:09 am ] |
Post subject: | Re: Spring sleeve for springers? |
ricksplace wrote: I used the plastic from a yogurt tub. It's thicker than aluminum from a beverage can, and doesn't shred. The sleeve reduces spring twang and noise. It will probably have little affect on accuracy. It may have some very minor affect on velocity, but you wouldn't be able to tell the difference without a chronograph. It's a good mod to include when you have the gun apart for a tune. It tends to make the gun more pleasant to shoot. The plastic sleeve on one of my rifles is going on 3000 shots with no sign of fatigue. Cheers! Rick. all depends on the tolerance of each rifle tube to spring clearance, if you can get away with plastic then fine... otherwise a pop can works great... |
Author: | DDtank [ Sat Jun 03, 2017 1:33 pm ] |
Post subject: | Re: Spring sleeve for springers? |
Thanks all. Decided not to bother as the thought of bits of plastic bottle floating around inside my HW77 outweighed anything I have heard about potential benefit. Having put it back together with a Tinbum top hat and spring guide, it seems a bit less twangy though not necessarily any smoother. Further testing required to see if it was worth taking apart at all. |
Author: | Ace [ Sat Jun 03, 2017 9:32 pm ] |
Post subject: | Re: Spring sleeve for springers? |
DDtank wrote: Thanks all. Decided not to bother as the thought of bits of plastic bottle floating around inside my HW77 outweighed anything I have heard about potential benefit. Having put it back together with a Tinbum top hat and spring guide, it seems a bit less twangy though not necessarily any smoother. Further testing required to see if it was worth taking apart at all. you never said it was for an HW77...lol i would never do this mod on a quality rifle like that, you don't need this on any HW rifle due to tolerances already being very good out of the box... this mod is more for a springer that has a lot of spring twang.... |
Author: | Ace [ Sat Jun 03, 2017 9:39 pm ] |
Post subject: | Re: Spring sleeve for springers? |
Chevota wrote: It's totally worth it! I use 2-liter soda bottles or similar since diff soda bottles have diff thicknesses. It won't leave any plastic debris as long you do it correctly. An alum can is a bad idea imo, I can't imagine the alum working very well or it surviving, which one member here confirmed with bits of alum everywhere. . sorry chevota there is a deference between cheap beer can aluminum and pop can tin... i did this mod on my ben classic .22 worked like a charm and its still fine 3 years later |
Author: | DDtank [ Sat Jun 03, 2017 9:51 pm ] |
Post subject: | Re: Spring sleeve for springers? |
Ace wrote: you never said it was for an HW77...lol i would never do this mod on a quality rifle like that, you don't need this on any HW rifle due to tolerances already being very good out of the box... this mod is more for a springer that has a lot of spring twang.... Thanks Ace, that's what I figured in the end too. Chevota, you did send me your e-book a while back, thanks. Lots of good stuff in there! |
Author: | Chevota [ Sun Jun 04, 2017 3:19 pm ] |
Post subject: | Re: Spring sleeve for springers? |
Ace: I believe I remember you saying yours worked. So tin meaning tin coated steel... I haven't seen steel sody pop cans in forever, but I'm in the US. Yea steel will certainly work, but I prefer plastic Sometimes I make two layers of plastic which in 2-liter sody in the US is ~.015" +-.003. One plastic layer pretty much does the trick noise wise but sometimes I get anal and want it tighter. Hmm, the last part of that sentence didn't sound right... DD: For me any twang is super annoying so I'd do it regardless of the guns value or quality. Like in that Diana pix it has an oem steel liner which is certainly better than none but it doesn't cut it for me. Some guns that have a steel liner don't have room to add a plastic one so I remove the steel and use plastic. If there is no room for any liner then back to spring tar, but so far there's always been room on my stuff. It's your gun and your decision so totally up to you |
Author: | DDtank [ Sun Jun 04, 2017 5:51 pm ] |
Post subject: | Re: Spring sleeve for springers? |
Interestingly (maybe you know this already), the HW80 comes with a steel liner but when I put a Vortek kit in mine, that had to come out and now no liner at all. That was with the Vortek spring and guides etc and it all made it completely twang free. I have mixed feelings about the outcome though as while it is soooo much smoother, it is almost a 2-handed job to cock it and with the 'K' barrel it is quite a chore. Makes hell of a crack too - like rimfire going off. |
Author: | Chevota [ Tue Jun 06, 2017 6:41 pm ] |
Post subject: | Re: Spring sleeve for springers? |
My guess is they didn't want to mix theirs with metal, and since they're making the liner they can make it to fit. That Diana pix I left the oem liner b/c it took up space that I would otherwise need to fill in with more layers of plastic, or root around for thicker plastic. It works great like the pix, plus I don't have to worry about losing the metal liner. Weihrauch are tighter fitting guns so even with the rather thin metal liner I have to remove it to stuff in one layer of 2-liter bottle. In your case the plastic they uses was so thick they had to use a smaller spring. Or maybe they just really wanted that particular spring and made the plastic to match, hard to say. So you can get a weaker spring if you want, or shorten yours. Weihrauch sells the 20" barrel if you really wanted, which was $120US last time I saw one. Optionally you can get a muzzle brake that lengthens yours. I had one on mine but since I had a 20" bbl there was no need to let it hang over the end much. Not sure of the make, I bought it 1993, probaby from Beeman. Picture a steel tube of maybe 6-7" long x 3 or 4mm wall and the ID just a bit bigger than the barrel. The outside of one end tapered for ~2" so it looks nice. Point is you could slide it all the way down to the breech block or let it overhang as far as the setscrews allowed. It may have had a liner so the setscrews didn't tear up the barrel, can't remember. Blued of course and very nice looking, especially for me since I don't use the front sight. Fyi... If yours is that loud then my only conclusion is it's just dieseling. Mine was a 90 btw, and rather loud but nowhere near that loud. It was 45lbs to cock! Not sure what the deal was with that since all that effort should net ~30+ftlbs, but it only made ~23. Super sweet gun, nicer than most if not all my firearms but something is not right with the efficiency. I'm guessing yours is prolly 45, maybe more? Send me or post a pix of that baby if you can, the 77 too. |
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