Deathray MP now running on unregged 12 gram!!

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Brian the brain
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Thu Mar 27, 2008 7:16 pm

Name: Deathray Machine Pistol, by BTB

Caliber: 6mm
Type: BBMG, ultimate inline
Constr. material: all metal
Max pressure: 900 psi :D Edit: Now it runs off of a 12 gram with the help of a jet adapter!!!

Main valve: pressure washer handle
BB capacity: as of yet unknown..
ROF : extreme, as far as I can tell

Well...after all the failures, trying to create an autovalved machinegun, I decided to build something that would work... :D

This short machine pistol uses the Ultimate Inline principle.
I've shot it at 35 bar and my heart is still pounding like crazy.
EDIT: unregged CO2 is even worse!!
The short design doesn't mean it's weak at all!

It cut up a can in a split scond and all I found was split bb's as if they were peas! :shock: :shock:

This thing could cut your hand off!!
So much for air-soft.

I used the pressure from my fridge compressor, but it would work just as well off of unregged CO2...Wish I had a suited barrel in .177....muhahaha

Now some pics that 'll make you guys eat your bbmg's!!
Paintjob, elevated sights and buttplate are coming...

(Updated: see finished pictures below)
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Nasty little bugger....The Tee is where the action is.Vortex block consists of a reshaped 12 mm elbow, tapped to 1/4&amp;quot;to accept the treaded barrel. Barrel is smoothbore, but an absolute PERFECT fit for 6mm bb's.<br />This thing runs on pure aggression!!
Nasty little bugger....The Tee is where the action is.Vortex block consists of a reshaped 12 mm elbow, tapped to 1/4&quot;to accept the treaded barrel. Barrel is smoothbore, but an absolute PERFECT fit for 6mm bb's.
This thing runs on pure aggression!!
Fill-plug wich can be unscrewed by hand.Works perfectly!
Fill-plug wich can be unscrewed by hand.Works perfectly!
deathrayMP003_edited.jpg (22.58 KiB) Viewed 11017 times
Ultimate inline, as you can see.Piston is a perfect fit, though not sealing.
Ultimate inline, as you can see.Piston is a perfect fit, though not sealing.
Look from the front.Notice the lasersight..hehehe.<br />The nozzle is threaded to 3/8 to later attach a silencer.<br />I love the &amp;quot;SWAT&amp;quot; look...
Look from the front.Notice the lasersight..hehehe.
The nozzle is threaded to 3/8 to later attach a silencer.
I love the &quot;SWAT&quot; look...
blackMP005.jpg (31.62 KiB) Viewed 10861 times
Now with flat black paintjob and buttplate added.I also reglued a decorative piece back on at the frontgrip.It should keep my hand from ever slipping in front of the nozzle
Now with flat black paintjob and buttplate added.I also reglued a decorative piece back on at the frontgrip.It should keep my hand from ever slipping in front of the nozzle
blackMPmain.JPG (36.59 KiB) Viewed 10861 times
It pierced thin MDF board even after I had lost a lot of pressure to a JAM...Grrrr!! One bb was somehow bigger than all the others, as it was perfectly round, but still jammed.I had to take the gun apart to fix it.While doing so I also filled up the bottom of the Tee to get better action.The bb's dropped to far before.
It pierced thin MDF board even after I had lost a lot of pressure to a JAM...Grrrr!! One bb was somehow bigger than all the others, as it was perfectly round, but still jammed.I had to take the gun apart to fix it.While doing so I also filled up the bottom of the Tee to get better action.The bb's dropped to far before.
piercedMDF.JPG (23.44 KiB) Viewed 10861 times
This used to be part of a broken pneumatic nailgun. I hacked it up to make it look like this..
This used to be part of a broken pneumatic nailgun. I hacked it up to make it look like this..
blackMP004.jpg (33.38 KiB) Viewed 10861 times
Here is my compressor I made (thanks to POLANDSPUD)
Here is my compressor I made (thanks to POLANDSPUD)
Finished look.<br />I might add a silencer later.<br />The laser sight helps a lot.Without it I could not hit a thing with the short design and all...
Finished look.
I might add a silencer later.
The laser sight helps a lot.Without it I could not hit a thing with the short design and all...
beretta airsoft pistol grip, filed to fit and filled with solid epoxy putty.<br />It's a completely solid grip now.
beretta airsoft pistol grip, filed to fit and filled with solid epoxy putty.
It's a completely solid grip now.
With stainless steel funcional suppressor.Threads right in by hand.
With stainless steel funcional suppressor.Threads right in by hand.
Yup...A 12 gram jet adapter.Even though the flow is really small, it fires like CRAZY!<br />This is because the pressure washer is spewing out LIQUID CO2!!<br /><br />It fires for about 3-4 seconds off of a 12 gram.That is a lot of bb's and a lot of power.Whatever it hits gets pounded to submission.
Yup...A 12 gram jet adapter.Even though the flow is really small, it fires like CRAZY!
This is because the pressure washer is spewing out LIQUID CO2!!

It fires for about 3-4 seconds off of a 12 gram.That is a lot of bb's and a lot of power.Whatever it hits gets pounded to submission.
Close up.I cleaned it up a bit.The part where the pressure line enters the T has been cut down to the minimum.
Close up.I cleaned it up a bit.The part where the pressure line enters the T has been cut down to the minimum.
Last edited by Brian the brain on Sun Jul 27, 2008 2:12 am, edited 7 times in total.
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elitesniper
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Thu Mar 27, 2008 7:18 pm

HOLY, crap dude :shock: , its going to be like a railgun :) , nice work
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Brian the brain
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Thu Mar 27, 2008 7:20 pm

Finally something to deserve the name "deathray".

I had no idea what 35 bar was going to do to an airsoft bb..well..I did, but not really..

It aint pretty I tell ya... :D
Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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elitesniper
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Thu Mar 27, 2008 7:22 pm

But the gun sure is :D , can you you please bless us with a video. :D
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Brian the brain
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Thu Mar 27, 2008 7:26 pm

I'd have to ask my dad, but I'm not sure he'll agree with this thing..

Wow, that sounds like ...all of you 14 year olds....

I don;t have a videocamera myself, so...I have to go over there and try to borrow it..

Any suggestions on the look of a light stock/buttplate ??
Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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elitesniper
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Thu Mar 27, 2008 7:29 pm

yea add a L shaped one similar to the color of your handle, camo greenish-ish :)
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Brian the brain
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Thu Mar 27, 2008 7:31 pm

That's just flaky...not camo.
I have to paint it all black.
I might put a camo bottle cover on it though, since I got the cloth already.

I think I need some Bondo...This thing could turn out pretty well...
Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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STHORNE
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Thu Mar 27, 2008 7:31 pm

haven't you been working on this a while now? That or never got around to posting it....

anyway, nice job.
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elitesniper
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Thu Mar 27, 2008 7:34 pm

nono, not camo, but the that dark green tone from the camo not the camo itself, i personally don't really like camo.
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A a r o n
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Thu Mar 27, 2008 7:35 pm

Amazing gun.

Post some damage photos please.



Perhaps you could add a stock similar to this one.

Image
Last edited by A a r o n on Thu Mar 27, 2008 7:36 pm, edited 1 time in total.
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Brian the brain
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Thu Mar 27, 2008 7:35 pm

I've tried several Idea's like this, ar running off of the same setup...


None worked very well, except for this one.
I especially like the fact it can easily be fired from one hand...
I'll go for the L-shape


Oh and. Thorne..I'm not a big fan of your sig...it's..a bit INVASIVE
Last edited by Brian the brain on Thu Mar 27, 2008 7:37 pm, edited 1 time in total.
Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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STHORNE
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Thu Mar 27, 2008 7:36 pm

who's sig, mine?
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elitesniper
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Thu Mar 27, 2008 7:38 pm

I think he ment mine.. anyways, yeaa! thats the kind of stock you should use.
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Brian the brain
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Thu Mar 27, 2008 7:42 pm

I meant sthornes..but hey...
Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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STHORNE
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Thu Mar 27, 2008 7:43 pm

yeah, i was thinking about changing it....it is kinda bold for my nature.

I was just waiting for some objections towards it before i changed it, and since your the first.....here i go.
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