![]() ![]() So this way the only part that retains the gas seal is the wood, and everything else is undersized enough that it won't bind. I would use a 3/8" rod, with a 1/2" wooden plug on the butt of it. And then turn what's left of the barrel down so you have a section that's 5/8 x 1-2" long put the sleeve over the barrel, and then weld it on (I might also suggest drilling some off-center holes, and putting taper pins in the holes.įor your line carrier. Open up the tube so it can be mounted to what's left of the barrel (probably drill, and ream it out to 5/8. 308) Cut the barrel/chamber arrangement so the end of the blank sticks out when it's chambered (this will make sure it won't fire a live round with the possibility of doing any real damage to anyone or anything. 308 (blanks are more plentiful) This could likely be done by just running a chambering reamer into the 8mm mauser chamber. Cut the barrel that's in it down so there is just enough material there to chamber a cartridge, I highly recommend rechambering the gun to. If you are looking to make a line thrower, I suggest replacing the barrel with a piece of thick wall tube say 1/2" bore with a 3/4 OD. Two, unless you have experience with this, you may blow up the gun. Two reasons, first, you will pretty much destroy your thrower. I imagine that seals in Iceland waters are no different than ones in Canadian at certain seasons they will quickly sink after being shot, unless they are quickly gaffed or harpooned.Įgad! Don't try using a bullet trap for a line throwing gun. I think that the Greener, and similar launchers are more intended to afix a line to the animal, to facilitate recovery, rather than to kill it. I think that this was a shotgun type powder, but do not know this for a certainty. The trick would be to determine a safe charge for loading the blank launching cartridges.303 grenade launching blanks used "Ballistite" powder. There should be a swivel ring for the line, so that the line trails directly behind the dart, otherwise the tug of the line could pull the harpoon off course. I don't know why a parallel sided spiggot could not be fitted to the muzzle, and a hollow tail put on the dart. ![]() Imagine holding up your hands while your mother would wind yarn off them into a ball. Used a 2 armed line holder mounted under the barrel. I was somewhat surprised to see that in Jaws, the gun is actually assembled and used properly, with the allowance that the line frame was not necessary.The Greener Martini was a light harpoon gun. The gun was shipped in a case complete with everything needed for use, including the gun, three harpoons, six lines, and two line frames. 38 Special cartridge is used to fire, and the harpoon has two large folding hooks to anchor it in a fish after striking. It has an effective range of about 30 meters, and the line attached to the harpoon can handle a 300 pound load (with stronger lines available up to 1200 pound). The intended use of the gun is to shoot large fish from an overhang on the bow of a fishing boat. These were built as legitimate hunting arms, although they are far better known today for the appearance of one in the movie Jaws. Imported into the US through the appropriately-named Navy Arms company, this is a Greener Martini action built into a “Light Harpoon Gun” by Webley & Scott in the UK. ![]()
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