The Snap-1 Mk2, Writeup Options

[CaptainSlug]

Did you find all of the parts at True Value? I'm not having much luck finding washers with the same ID so I may have to use larger screws.

This post has been edited by CaptainSlug: Mar 26 2006, 10:55 PM

[Carbon]

Yep, in the loose parts aisle. It's flexible, though...the parts list is exactly what I used, but you can substitute if something will fit, size wise.

[boltsniper]

Very nice Carbon. Anyone should be able to build one of these with this writeup. I think you have nailed the single shot simple homemade that so many wanted for the longest time.

[Carbon]

Thanks, Bolt.

A little bit of an update on the design and assembly... I spent a lot of the weekend playing with the SNAP-1 (with the pump breech), and had a major problem with the handle....even with superglue, it refused to stay on, and broke off under normal usage. Considering how you'd want to be able to use it one-handed (even with the long breech barrel), I decided some external support was necessary. I drilled two holes through the top of the handle, and zip-tied it to the PC, after anchoring it with a little hot glue. It's not going anywhere, anymore, and it's not nearly as ugly as I feared it would be. I'll get a pic up tonight.

[boltsniper]

I`ve never had that problem. Thats weird. I use nothing but superglue to bond my guns together. Specifically the Loctite Superglue that comes in the triangular bottle. I`ve never had a grip break off. Actually, when I was building the BASR I had to remove the grip to get to the valve to fix it one time. I coldn`t break it off with my hands by just pulling. I had to break out the hammer. That resulted in the PVC not the bonds breaking. I ended up having to cut the remainder off and making a whole new one. I`m not really doing anything special either. I recognized it ws going to be a high stress bond so I made sure that the surface area in conctact was maximum. I used the same method you described with sandpaper over PVC to get the right curve. I tack the part on with superglue then after that is dry I run around the seem and apply more glue to form kind of a fillet of glue. I run around holding the FAR and SCAR with just the pistol grip and have never had a problem.

CA can go bad and if its old it will not create a strong bond. And as far as I kow all superglue is just the same CA formula so it shouldn`t really matter what brand you use.

I et the impression that your fabrication skills are jsut as good as mine so I don`t think that your joints aren't good enough. The zip ties are a good idea though. Nice solid reinforment.

This post has been edited by boltsniper: Mar 27 2006, 09:39 AM

[Carbon]

I was wondering if you did anything different with your handles, but it sounds like no...I'm doing the same thing. The only thing I can guess is that the forces are a bit different on the SNAP. The handle feels solid while holding it, but the act of firing breaks it off. On your guns, the plunger head is more or less centered over your handle. On mine, it starts far ahead, and ends even farther forward. Since my plunger is also heavier, I was wondering if the accelleration and sudden stop was acting like a hammer to break it off...

[davidbowie]

I would guess that the weight of the plunger slamming into the front reducer is knocking off your grip. That's what did it for me, and that's why I now attach my grips with tee fittings.

[ompa]

Carbon, I run screws into mine. I fill the space with Bondo or some type of filling agent, then use screws in addition to superglue to attach them. Those little fuckers aren't coming off my guns any time soon.

~ompa

[Carbon]

I realized another factor...this handle is the first time I used thinwall for the handle. Less surface to glue together, combined with the weird forces inherent in the SNAP.

I remember when you said yours blew up, DB. Tee fittings are sturdy as hell, but I can't give up on the slight angle I like on a handle...

Anyway, here's the zip-tie solution. Really, the lumpy glue on my handle is uglier than the zipties.



Thanks for the Bondo tip, ompa, I'll play around with that.

This post has been edited by Carbon: Mar 27 2006, 08:33 PM

[CaptainSlug]

You could cover up the ugliness of the glue and improve the grip by adding a layer of craft foam.

This post has been edited by CaptainSlug: Mar 28 2006, 01:15 AM

[davidbowie]

I find it easier to just wrap them in e-tape. Or, if I want them really grippy, hockey tape.

[GeneralPrimevil]

Hey, I got me some springs for free. However, they take a bit of strength to compress. Since I can use hand excercisers up to 150 lbs and these springs moved a 100 lb. scale without compressing more than a half inch, I dunno if I could use 'em.

Pic!

That plate next to it is from an air chamber (large diaphragm valve) which is about 5" in diameter. The springs are 11" and 12" long.

To make relevant to the grip situation, if I used these springs and held on to the grip while cocking, the bond would break before it reached half-cock. Not only that, the force (if it did get fully cocked) would probable break the piston head when it slams into the cylinder head...

I'm gonna look through Lowes' supply ans see if I can't find a 1" I.D. spring or a 2" O.D. spring. One or the other, or one for each gun since I have to make a few of these before June...

[forest_sharpshooter]

I like this alot.I have been wanting to make something like this for a while and you just helped out!

This post has been edited by forest_sharpshooter: Sep 10 2006, 09:52 AM

[NiteWalker]

DO NOT revive old topics. Read the Code of Conduct before you post something like this. You could get yourself banned. Just some advice to help you stay in these forums. Also, fix your capitalization... that's something else you need to work on.


This post has been edited by NiteWalker: Aug 30 2006, 06:22 AM

[Uncle Hammer]

You joined two months ago and your already telling people to read the CoC and to use grammar and puncuation. Why not let the admins do their job and not telling new people what they can and can't or should do. Although his post didn't abide by the CoC, it wasn't really a necromancy. He was just commenting on how it was a nice write up and how he would like to build one. I really don't see the harm as long it's not something stupid.