Posted 23 April 2012 - 02:56 PM
SO, I made one that acts like a wye, but is easy and relatively cheap to make.
You will need:
A saw, a file, and a pair of shop scissors, and sandpaper+glue or solvent weld stuff, you won't need sandpaper if you are welding, so if you are solvent welding, ignore what I say about sanding stuff.
You will need .5" PVC, a .5" tee, elbow and endcap, as well as a 45* bent peice of .5" electical conduit stuff. You'll understand when you see it. Also, get a washer. The size is determined in relation to the tee, you'll see what I mean later.
Cut 2 peices from the PVC that are 1.5" long, or longer.
Also, cut down the conduit as shown. This should be done so that the cut off peice is all the straight section, with all of the curvy stuff left on. Discard/whatever the straight peice. Keep the other straight part, though. Sand about .75" on the curvy part at the end of it, this is so it will glue into the tee.
Go ahead and put this together:
Now, cut the tee as shown. Keep some of the inside mounting edge on the top intact so that it will still seal and mount properly. Once it's cut, sand the connection part jsut a little bit so the glue has some more to adhere to.
Apply some glue to the conduit and the tee, and stick them together like so, but don't attatch the elbow just yet. Let the glue cure.
Once the glue is cured, drop in the washer, Is should fit like this, the washer is so that the thing doesn't jam as much, because the darts can no longer fall into the vertical section, but if you are using darts that are longer than 1", then it shouldn't be a problem.
Now, it's done. Add an end cap to the back, or a ball valve, or whatever. If you want, you can put a coupler on it and add some more pipe to increase the ammount of ammo you can store. If you are using the endcap, take the shop scissors and ream the back to help a bit with dart feeding.
Well, what do you think?
Posted 23 April 2012 - 03:05 PM
-Have you been needing to point to down at all? Even slightly? Can it shoot up, at a slight angle? As if you were firing at someone who has higher ground than you.
-Is there a significant decrease in range as the darts get depleted? Since there aren't as many pushing it downward, would it waste more air pushing the dart into the barrel?
Posted 23 April 2012 - 04:52 PM
That, and it's ease of construction. Another big disadvantage of an RSCB is that it can be difficult to get it to point directly forward, and to keep it from flopping around - a disadvantage the GRSCB shares. Though I like some of these wye replacements, at some point it's easier to just buy the real thing.
And the only real advantage to an RSCB is its low profile.
Posted 23 April 2012 - 09:09 PM
I think this is a really cool and easy idea man, good job.
Posted 23 April 2012 - 09:21 PM
The first one I made worked quite well, and only needed "encouragement" on the last dart or so on occasion. However, when I fired it on my HAMP with only two darts in, they both came out when it was level.
Um, the decrease of range with ammo in is a standard phenomenon for most pipe loaders, but the decrease isn't that bad.
One thing I've heard about RSCBs vs wyes is that they get better pre-firing load seals between the darts and the barrels just because the darts are really lined up with the barrels, not at an angle to them. You could always try to put a brass halfpipe (or other material) to bridge the clip and the barrel, like in some hoppers to increase that effect.
Thank you DanB, for the answer to the next question: RSCBs are easier to find/obtain, you just need a hardware store, and you don't have to go online.
As to the floppiness: I assume you mean the left/right de-aligning due to the vertical PVC chunk. One thing I do is I assemble the tee and the elbow, then place it on the ground or another smooth surface and press them down, so that they align. If your pipe fit is good, it shouldn't flop around during the round.
And in response to the comments on the saturation of the wye replacement world, I just want to say this: don't think of it necessarily as a wye, if you have wyes and like them, stick with them. I have a homemade wye as well as two of these, and I love the wye. BUT, if you are not able to obtain wyes, and or do not want to goop together or sand endlessly parts to make one, or are just used to RSCBs, then this may be for you. Think of this as an an almost direct upgrade to an RSCB. If you don't use RSCBs, then don't worry about this thing.
And one popped up while I was writing: This thing has the same amount of deadspace that a RSCB with the same clip capacity would have, so the ranges would be the same. As to wyes, wyes have less deadspace, so they would most likely shoot a bit farther. And clips would also shoot farther, but may vary just based on how much deadspace is in the breech design, but also wouldn't suffer from the range sapping that occurs in pipe clip systems. And lastly, the famous speedloader will always outrange anything, just because they have a near-nonexistent amount of deadspace, but are also the slowest type (same thing with turrets/revolvers, but without the slowness.)
Edited by Exo, 23 April 2012 - 09:30 PM.
Posted 29 April 2012 - 11:06 PM
Posted 29 April 2012 - 11:44 PM
One plus to this set-up over a hopper could be dart selection. The gental curve (to my knowledge) would allow longer darts or darts with high coefficient of friction tips (rubber/silicone) to be fed into the barrel smoother without getting caught. Now I can't guarentee that this is the case but it could be easily tested.
I've used similar setups and they do in fact avoid the friction issues with hopper feed. Stock length darts will probably still be an issue due to the radius of bend in the conduit.
My Half-Baked MHA Site
Posted 06 May 2012 - 05:18 PM
So... Its a hopper with a lot of deadspace?
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