Avenger96 Posted September 11, 2012 Report Share Posted September 11, 2012 So, everyone who has played Borderlands has probably seen the epicsauce gun the Sledge likes to point at people and use as a toothpick. I want to make something very similar utilizing 40MM grenades. Picture for reference: I don't want to include the toothpick, but I think the rest of it could be achieved fairly easily using wood for the stock and platis for the fiddly detail bits. My problem, however, is that I don't know how to make the firing mechanism, so could someone who's done it before help? Whatever I do, I'd like to have a dual firing pin for the top and bottom, with one a little short so it doesn't engage until right after the first one, firing both shots with one pull like in the game. Thanks for reading! Link to post Share on other sites
Tsar Posted September 11, 2012 Report Share Posted September 11, 2012 How about taking a ICS GLM for the revolving parts. take of the 6 chambers and make a PVC one renagdecow style, the the trigger and the revolving sytem could be attached to a lever. but I havnt figured out that bit yet. give me a while Link to post Share on other sites
faramon Posted September 11, 2012 Report Share Posted September 11, 2012 As a person who has been playing borderlands recently and looking forward to borderlands 2 I agree with this . In terms of firing, surely as it is a 10000% burst fire weapon all you need to do is make a trigger that presses both 40mm's just slightly one after the other (slightly curved so the second goes off a split second later). Renegadecow should see this topic and add words of true wisdom. Link to post Share on other sites
Tsar Posted September 11, 2012 Report Share Posted September 11, 2012 I could of swarn it was a revolving system.... Havnt played it in a while though/ Link to post Share on other sites
Avenger96 Posted September 11, 2012 Author Report Share Posted September 11, 2012 Tsar, 90% of the shotties in the game are revolvers, but not this one. It's an over-under double barrel. When I get this one done, it won't be identical to the one from the game, but it will be close enough to make Borderlands fans go "OMG is that Sledge's Shotgun???" I'm also reconsidering omitting the spike. I'll probably add it, but not sharp. I'm thinking a standard RIS for the top, and make custom sights. I can get dark red wood stain, and I know my way around a chunk of wood coming from a family of carpenters. The locking mechanism will be tricky, because the front will probably be fairly heavy even if I just use PVC for the barrels I can probably get sheets of kydex or similar plastic to mold around for the fiddly bits like the contours on the stock. Also, I've just realized that it may be hard to get a firing pin to the lower barrel, as it's nearly flush with the trigger. Also, Renegade Cow would be appreciated Link to post Share on other sites
AceOfSkulls Posted September 11, 2012 Report Share Posted September 11, 2012 Sledges shotgun is single barrel even the 2 shot shotguns in borderlands are single barreled Link to post Share on other sites
renegadecow Posted September 11, 2012 Report Share Posted September 11, 2012 I don't play that game so had to check out a vid. It's a single barreled weapon with the chamber rotating like a revolver would only it does both shots in rapid succession like an automatic. I could only think of two ways to pull it off: electronically assisted or pre-wound mechanism. Either way it's pretty bananas. Link to post Share on other sites
Avenger96 Posted September 11, 2012 Author Report Share Posted September 11, 2012 Oh wow, I never noticed on the little TV in my room. I guess a pre wound mech could work, and I would definately have the coolest, yet most unreliable gun on the field. Link to post Share on other sites
Avenger96 Posted September 11, 2012 Author Report Share Posted September 11, 2012 Also, to think about it I've only used during nighttime in game. What are your thought on it renegade? Link to post Share on other sites
Mike_West Posted September 11, 2012 Report Share Posted September 11, 2012 To hell with that. Make a double-barrel. Link to post Share on other sites
Tsar Posted September 11, 2012 Report Share Posted September 11, 2012 I would hate to be infront of that. You could mix it up and use differnt weight bb's in each shell for the ultimate scatter effect. Just like the gun in the game. Link to post Share on other sites
Avenger96 Posted September 11, 2012 Author Report Share Posted September 11, 2012 Yeah, I think I'll hide second barrel in the foregrip tube. Or, really screw it and settle for single barrel. Link to post Share on other sites
vorpalbunnie Posted September 12, 2012 Report Share Posted September 12, 2012 To hell with that. Make a double-barrel. Double pump if he's lazy Link to post Share on other sites
renegadecow Posted September 12, 2012 Report Share Posted September 12, 2012 If you ask me it looks like it was designed by a guy who isn't all that familiar with firearms. It looks cool, but it has so many conflicting elements that getting it to work for real will be a real mess. Since you're not out to make an exact replica starting by using 40mm grenades instead of shotshells, making it into a simple O/U layout with a single successive trigger will be a whole lot easier not to mention practical. Then embellish it by having the lever/hand guard work as a breech lock like on a T/C Contender. Link to post Share on other sites
notrabies Posted September 13, 2012 Report Share Posted September 13, 2012 My 2 cents would be to use the Madbull Tanaka grenade shells, using 2 barrels (the lower being concealed to keep with the look) and a 3 stage trigger press where step one is the first shell, step two is the second shell, and step three would be the revolving aspect. I'd think you'd set it up so when you load it you twist it to build up spring tension, and that the end of the trigger pull releases the spring and allows it to revolve. If you do it like this the only airsoft type component you would need would be the inner barrels, giving you lots of leeway on your design and requiring you to take minimal design factors into account. The only negative would be that the "magazine" would only rotate after your shots have fired instead of in the middle and after, but you could always make your trigger add in another rotation release after the first shot is fired. This would allow you to stick with the original single barrel as well. The whole project sounds like it would be tons of fun to work on, so let me know if my ideas sound decent and maybe I can help some more. Link to post Share on other sites
Tarr Posted September 15, 2012 Report Share Posted September 15, 2012 Well with a three stage trigger you could just as well make it revolve between shots. Make 'stoppers' for the revolving part so it can only do a 180 turn, jam a spring on it, make it release on 'stage 2' and tadaa.. or something like that.. Link to post Share on other sites
Avenger96 Posted September 15, 2012 Author Report Share Posted September 15, 2012 The plan is to have a pre wound spring, with a thumb activated sliding stop on the left side of the receiver to keep it in place until your ready. Steps: Load shells and twist chamber Fire top barrel, activate the sliding stop with your thumb. Cylinder spins to another stop at the top of the receiver, with the bottom shell behind the barrel and in front of the firing pin. If this doesn't work out, I'll probably do what notrabies said, and hide the second barrel in the handguard that utilizes a smaller shell, probably one of those "Mad Max" shotgun shells. Link to post Share on other sites
notrabies Posted September 16, 2012 Report Share Posted September 16, 2012 Actually I've realized you can do this super simple if you're willing to give up the 2 shot burst. Make it a simple 2 stage trigger where the first stage fires and second stage releases the cylinder to spin 180. Just fire it twice quickly and you'll have a very simple and reliable mechanism. For shells I'd probably do the goblin paintball shells with the airsoft inserts, 12 bb's per shot is pretty appetizing: http://goblinpaintball.com/GoblinStore Link to post Share on other sites
Mike_West Posted September 16, 2012 Report Share Posted September 16, 2012 For shells I'd probably do the goblin paintball shells with the airsoft inserts, 12 bb's per shot is pretty appetizing: http://goblinpaintball.com/GoblinStore Okay, now THAT looks tasty. Makes me wanna whip up some shell-fed monstrosity of my own. Link to post Share on other sites
notrabies Posted September 16, 2012 Report Share Posted September 16, 2012 If you're feeling lazy, the shells fit in the Hwasan double barrel with only a tiny bit of work, I've seen one with my own eyes and the owner said he only replaced like two parts. Link to post Share on other sites
Avenger96 Posted September 17, 2012 Author Report Share Posted September 17, 2012 Those little Goblin "Deuce" pistols don't look bad themselves. Not realistic, but very cool. The reason I prefer 40MM is because of the stupid amount of .12, .20, .25 and .30s I can spew into a room on someone all at once. Link to post Share on other sites
Mike_West Posted September 17, 2012 Report Share Posted September 17, 2012 If you're feeling lazy, the shells fit in the Hwasan double barrel with only a tiny bit of work, I've seen one with my own eyes and the owner said he only replaced like two parts. I'm sold all the more. Link to post Share on other sites
Mazuran Posted September 17, 2012 Report Share Posted September 17, 2012 The reason I prefer 40MM is because of the stupid amount of .12, .20, .25 and .30s I can spew into a room on someone all at once. Don't forget the looks on people's faces when you get it out in the safe zone, and of course there's the grin factor! There was a side-by-side 40mm launcher in AI magazine a while ago, might be worth looking that up. Link to post Share on other sites
notrabies Posted September 17, 2012 Report Share Posted September 17, 2012 Those little Goblin "Deuce" pistols don't look bad themselves. Not realistic, but very cool. The reason I prefer 40MM is because of the stupid amount of .12, .20, .25 and .30s I can spew into a room on someone all at once. Fair enough, but my concern would be the forces in rotating the chamber loaded up with 2 40mms. Since you're rotating on such a small axis with heavy weights, and at 180 degrees each time, I feel like you might end up with a destructive amount of torque that could rip apart your mechanism, if not just causing alignment issues. Link to post Share on other sites
Avenger96 Posted September 19, 2012 Author Report Share Posted September 19, 2012 Oh wow, I didn't think about that. Thanks! I'll probably go to the shotgun sized shells. Link to post Share on other sites
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