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  1. delooper

    Casting ammo from lead-acid batteries?

    Have any of you tried recoving the lead from a lead-acid battery, to use as your base metal to cast pellets or slugs? I have a bunch of old, expired lead-acid batteries sitting around. Might as well use the metal for something.
  2. delooper

    Measuring resonance on the barrel

    Does anyone make a light-weight high-frequency motion sensor that would be suitable to mount on a barrel, so that you could measure both the amplitude and frequency of barrel vibration, say, for a PCP air rifle? I'd guess someone has made something for the powderburner market, but I don't know...
  3. delooper

    Self-resetting traps

    I've been using the Goodnature squirrel (A18), rat and mouse traps (A24) for the past 4 years or so. I have a bunch of the A24's and some Chinese (from e-bay) knock-offs around the yard. And I have one of the A18's up a tree. By and large they work well. They're useful both for when you...
  4. delooper

    Drifting scope in rings question (must be a standard question?)

    Last time I was on the range I had zeroed my scope and I was taking shots further and further out. And then all of a sudden, I lost zero. At the time I didn't understand what was going on but now that I'm home and have time to look closely at the scope, I see it had drifted in the rings until...
  5. delooper

    Has anyone paired the Rovyvon GL4 with a Sightmark IR scope?

    Curious if anyone has paired the Rovyvon GL4 illuminator with any of the newer Sightmark IR scopes? I have the Holosun LE321-GR which is fairly similar, but I notice it does not emit in the same IR range that the Sightmark is sensitive in, so it looks a little dim through the scope. Curious...
  6. delooper

    Functional crown dynamics

    Has anyone here tried a functional test of their barrel crown? I'm thinking along the lines of using a high-speed camera to observe how gas flows out of the barrel when a pellet is shot. Curious to see which crown shapes have the best experimental outcomes. I imagine people have done...
  7. delooper

    My little dude is all grown-up

    Caught two rabbits tonight. Got one last week, almost by accident and it triggered something deep down inside of him. Usually can't stand being out in the cold, but tonight he was outside on his own for two hours. At least, I think that's two rabbits. Might be a rabbit and a small rat...
  8. delooper

    Fill line assembly

    Hi all, I've mostly been using these fill lines from Huma Air. These fill lines have a loose connection between the hose and the attached female fastener. So I find I have to be a little careful when attaching quick-detach heads to these lines. In the gap between the hose and the fastener...
  9. delooper

    GX CS2 debugging

    My first GS CS2 failed after about 3.3 years of hard usage. So I plugged in my backup CS2 compressor (never used!) only to discover it also had a problem. My burst disc was broken, on a new CS2. In the above image, I believe the metal thing with the hole in it is the burst disc. The...
  10. delooper

    Holosun Thermal (DRS-TH) -- and future optical-thermal hybrid scopes

    Is anyone planning on trying the Holosun Thermal (DRS-TH) for pesting? I currently have a 640x480 thermal (IRAY RICO RH50) but I'm curious if the red dot would be enough for most of my purposes. It's cheaper, smaller and overlays thermal over an optical image. So there's a decent amount to...
  11. delooper

    Deluxe slingshot vs. pellet gun for hunting/pesting

    Any strong feelings about the difference between pesting with an airgun vs. a slingshot? There are nice "conversion kits" that turn bows into "barrelled" slingshots with red dot sights. These are pretty heavy-hitting things, shooting 15mm carbon steel ballbearings. They appear to give...
  12. delooper

    Fill lines, pressure ratings, typical failure pressure over short periods of time

    Hi all, Once I was filling my SCBA bottle (unsupervised) and forgot to check up on it. The pump appears to have got the bottle up to about 340 bar, and the fill line burst. This has got me wondering, what is the landscape out there for PCP fill lines like? I don't know who really makes...
  13. delooper

    EDgun SCBA burst disc replacement - correction: Edgun EZ-fill 360-degree adapter o-ring burst

    Hi all, I believe my "burst disc" for my Air Venturi 100 cu-in SCBA tank burst. This is the AV-4516HPT, in case the exact model matters. Is this something I should get a rebuild kit for, from the manufacturer, or are suitable replacement burst discs and parts easily obtained elsewhere...
  14. delooper

    Seneca hunting pellets

    Hi there, I see Seneca Hunting Pellets are being sold in Canada now. They look really nice -- on the long and heavy side of pellets. Does anyone know what their lengths are? I'd rather not buy them if they're too long for my magazines. I'm primarily interested in the 32.4gr .22 cal...
  15. delooper

    Edgun Leshiy classic in Canada

    If anyone in Canada has a Leshiy classic, I'd love to take it off your hands. Calibre does not matter much, but 0.22" mildly preferred. At present I'm not interested in anything cross-border as importation would likely be too much of a headache for me.
  16. delooper

    Edgun Leshiy 2 jet kit, hole diameters vs. labels

    I've been curious to verify the hole diameters on my jet kit. So I bought a hole gauge kit, to measure. My kit can measure hole diameters between 0.2mm and 1.28mm in 0.02mm increments. What I'll do is list the largest gauge that fits in each jet. 0.1mm jets -- can't test. 0.2mm jets --...
  17. delooper

    o-rings for foster fittings

    I recently had an o-ring for a foster fitting fail -- in the female 1/8" BSPP fitting in the image below. I did some searching on the forum and all the advice was for buna-n AS568-10 o-rings. But I have some of those, and they're far from what I need. My o-rings need to be 3/32" thick, but...
  18. delooper

    EGW "Bell target"

    Recently acquired the EGW "Bell target" https://www.edgunwest.com/store/targets/item/bell-target/ These are made by someone in southern California. The design appears to have changed a little since EGW posted its advertisement. The above is the front. I think those are my grimy...
  19. delooper

    I got into airguns for pesting. My job appears to be done.

    When we bought our house, the first few months I was too busy with home renovations to act. But there'd be raccoons fighting on our deck at night. Massive colonies of rats in our trees and the vines along our fences, and mice everywhere. The symptoms were bad: 1) taking a flashlight into...
  20. delooper

    SWAT prismatic / Immersive Optics ?quick release?

    Are there any quick release attachments or mounts that fit the SWAT prismatic scopes, or equivalently the Immersive Optics scopes? I find I'd use mine more often if it had a QR. I mount my SWAT on top of a rail extender + riser. So if there were quick releases that fit onto those, I'd be...