Remimax Posted August 3, 2017 Report Share Posted August 3, 2017 (edited) Is there anything you would change or re_do again? What I thought might be cool is to either add a rib on top with an adjusted, or mill a groove as a sighting plane. Could the mod be off center so the body is lower and closer to the barrel top?. This is a jolly thread. could easily be done off center, the hushpower over & under demo's that,with out the porting and baffles the op is ******* in the wind. better not shoot to many rounds or the epoxy its attached with will break down and it will launch the mod like a rocket using me old lathe i turned down steel barrel shims/sleeves on my mossberg 12 gauge diy mod and silver soldered em to the barrel. can be done with a cheap blowlamp. Ali mod tube screws onto that,just a diy hushpower copy. Edited August 3, 2017 by Remimax Quote Link to comment Share on other sites More sharing options...
Daveo26 Posted August 4, 2017 Author Report Share Posted August 4, 2017 better not shoot to many rounds or the epoxy its attached with will break down and it will launch the mod like a rocket I'm confident it won't it would have to be too hot to touch to upset the epoxy.But thanks for the input Quote Link to comment Share on other sites More sharing options...
Daveo26 Posted August 4, 2017 Author Report Share Posted August 4, 2017 I've looked into this epoxy thing....... The epoxy I used is rated upto 65 Celsius, human skin is at risk of burns from 44 Celsius That big piece of aluminium tube will act as a heat sink and dissipate the heat quickly This guy shoots 500 rounds through a mossberg 500 in one go, the temp at the breech at the end of the test is 40 Celsius. It's at my epoxys upper limit at the muzzle end Thank you (drops microphone and walks offstage) Quote Link to comment Share on other sites More sharing options...
Guest cookoff013 Posted August 4, 2017 Report Share Posted August 4, 2017 been running some 70mm 20gauge 28gram 5s plastic wad ,13grains AS,8 star crimp chrono 1020 fps in my hushpower pump york guns. fair reduction in noise with them over standard game loads. now that is really interesting, thats the exact kind of combo that is great for subs. small amounts of fast powder and the payload thats alittle excessive. did you know that at 13 grains thats not alot of puff, but it seems unusually efficient. i have a similar load in 12gauge with a powder called ba10 i used 13.odd grains for an ounce there too. touche my friend, touche ! Quote Link to comment Share on other sites More sharing options...
sitsinhedges Posted August 4, 2017 Report Share Posted August 4, 2017 I'm confident it won't it would have to be too hot to touch to upset the epoxy. But thanks for the input I used heat resistant Loctite without any problem. Quote Link to comment Share on other sites More sharing options...
Old farrier Posted August 4, 2017 Report Share Posted August 4, 2017 I'm confident it won't it would have to be too hot to touch to upset the epoxy. But thanks for the input Mine is a push fit with a couple of grub screws into countersink holes easier to remove to clean it Caution is exercised when refitting as bore alignment is a tad important Quote Link to comment Share on other sites More sharing options...
Remimax Posted August 4, 2017 Report Share Posted August 4, 2017 now that is really interesting, thats the exact kind of combo that is great for subs. small amounts of fast powder and the payload thats alittle excessive. did you know that at 13 grains thats not alot of puff, but it seems unusually efficient. i have a similar load in 12gauge with a powder called ba10 i used 13.odd grains for an ounce there too. touche my friend, touche ! credit is all yours,pinched the train of thought off you ! just started low and worked me way up. Quote Link to comment Share on other sites More sharing options...
Guest cookoff013 Posted August 5, 2017 Report Share Posted August 5, 2017 credit is all yours,pinched the train of thought off you ! :)just started low and worked me way up.Excellent.These forums are great Quote Link to comment Share on other sites More sharing options...
fortune Posted August 5, 2017 Report Share Posted August 5, 2017 Years ago I had a silencer for a 410. It was an out front jobby that had a barrel bushing that was clamped by a hose clip. The silencer was a tube with baffles and an end cap. It was pretty effective on Eley fourlong. The sound reduction was good when shot up in the air but not so good when shot at a ground target. I have made several silencers over the years as technical experiments. I haven't found it totally necessary to drill holes in the barrel to get the sound reduction. I have even drilled a row of small holes right at the back of the silencer can baffle position to bleed gas off back down and out of an over the barrel type. This allows the gasses to come backwards from the front construction and baffles. I have also used rubber baffles made out of old conveyor belt with a Very small hole in them. It's good fun experimenting. But you have to think about possible dangerous situations before you do anything. Quote Link to comment Share on other sites More sharing options...
Daveo26 Posted August 26, 2017 Author Report Share Posted August 26, 2017 I did what was suggested and ported the barrel, I went for 4 pairs of 3.5mm holes angled back 20degrees Not got round to the baffles yet. Quote Link to comment Share on other sites More sharing options...
Wb123 Posted August 28, 2017 Report Share Posted August 28, 2017 Im enjoying reading this, please keep us updated as to how things go. Quote Link to comment Share on other sites More sharing options...
Daveo26 Posted August 30, 2017 Author Report Share Posted August 30, 2017 Im enjoying reading this, please keep us updated as to how things go.So far things have gone like this:2 rabbits 2 more rabbits 1 rabbit , 1 pigeon and a squirrel so pretty good . Quote Link to comment Share on other sites More sharing options...
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