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Brutal HPA BBMG idea

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Unread postAuthor: JDP12 » Mon Feb 22, 2010 3:48 pm

aw.... what a shame.

Good luck with the next version
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Unread postAuthor: psycix » Mon Feb 22, 2010 5:15 pm

You're really getting good at this aren't you? :roll:
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Unread postAuthor: Gippeto » Mon Feb 22, 2010 7:41 pm

jackssmirkingrevenge wrote:At least they didn't blow up :D



YAYYYY TLAR!!! :D
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Unread postAuthor: jackssmirkingrevenge » Mon Feb 22, 2010 11:39 pm

JDP12 wrote:Good luck with the next version


It's nothing too revolutionary (apart from the ball valve - see what I did there :D) so no problems there, I'll start it this evening hopefully.

waar zijn je mislukte experimenten lul? wrote:You're really getting good at this aren't you?


Yes, I'm multi-tasking now :roll: *and* failing, lol talk about getting in touch with your feminine side :D

I make little boys out of wood wrote:YAYYYY TLAR!!!


Let's not be unfair to epoxy, any time it failed on me was either because I didn't give it enough time to cure which seems to be most of the time, or occasionally bad design on my part. These particular parts baked at 60ºC for 13 hours (told you, looong workday :( ) so no surprise they held up well ;)
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Unread postAuthor: jackssmirkingrevenge » Thu Feb 25, 2010 3:24 pm

After my reasonably successful micro BBMG project I thought I'd give the smaller calibre another go with a ball valve trigger, initial results are very promising though limited as my SCUBA is due for refilling. Methinks I'll ramp it up from "submachinegun" to "assault rifle" with a longer barrel and tighter seal to reduce ROF somewhat, watch this space ;)

[youtube]http://www.youtube.com/watch?v=7PfRr-c5n9Y[/youtube]
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Unread postAuthor: POLAND_SPUD » Thu Feb 25, 2010 5:42 pm

nice

so what was it ? 1mm or 3mm calibre ?
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Unread postAuthor: jackssmirkingrevenge » Fri Feb 26, 2010 3:51 am

POLAND_SPUD wrote:so what was it ? 1mm or 3mm calibre ?


Did I bother making titles for nothing :P

I'm waiting for this to arrive before making the 1mm one.
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Unread postAuthor: psycix » Fri Feb 26, 2010 6:34 am

That looks impressive (on highspeed)

1mm?!? thats called a sandblaster. :shock:
Maybe you should look at abrasive sprayer patents...

Cmon, 6mm BBMG! :wink:
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Unread postAuthor: jackssmirkingrevenge » Fri Feb 26, 2010 6:54 am

psycix wrote:That looks impressive (on highspeed)


That's the thing, you need high speed footage to really appreciate the action. In real time it was BRAAAAAAAP!!!! :D

1mm?!? thats called a sandblaster.


That's for the sentry gun, I think it makes sense for reasons outlined here. Single shot testing with 1mm BBs at 800 psi have been relatively promising, it will go through both sides of a beer can or embed itself in plywood :)

C'mon, 6mm BBMG! :wink:


I had something worse in mind actually ;)
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Unread postAuthor: psycix » Fri Feb 26, 2010 7:06 am

[Nukem]I've got balls of steel![/Nukem] :D
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Unread postAuthor: POLAND_SPUD » Fri Feb 26, 2010 7:30 am

I had something worse in mind actually
I don't think it's the best idea really... well it would be cool but that calibre makes more sense for semi-automatic fire or fast semi-automatic fire but certainly not for a full auto gun... you'd need a lot more air for that

.20" cal or 6mm bbs should offer plenty of power while they are considerably cheaper and consume less air per each shot


you could even built the first gun using the full auto valve of my design :D
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Unread postAuthor: c11man » Fri Feb 26, 2010 11:14 pm

why stop at 3/8inch bearings when you can have 5/8!
<a href="http://s696.photobucket.com/albums/vv321/c11man/bearing%20cannon/?action=view&current=100_9842.jpg" target="_blank"><img src="http://i696.photobucket.com/albums/vv321/c11man/bearing%20cannon/100_9842.jpg" border="0" alt="Photobucket"></a>
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Unread postAuthor: jackssmirkingrevenge » Sat Feb 27, 2010 7:10 am

I've been watching some silly American propaganda, I think I will stick with 3mm calibre (just got another 10,000 rounds :D), but the time is ripe to make a gatling type BBMG...
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Latest ammo shipment and the dangers of ricochet when filming in high speed, illustrated by my halogen lamp...
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Unread postAuthor: Brian the brain » Sat Feb 27, 2010 12:41 pm

That video is pure magic.
I could feel my balls of steel schrink as I watched it..

Oh wait..

Nope..they're still 16 mm...
:D
Got some 11 mm ones too though.
Working on a forced blowback bullpup design as we..ehm...read and write..

BTW..1mm sounds very promising.
That would make a true raygun especially if you crank UP the ROF.
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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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Unread postAuthor: jackssmirkingrevenge » Sat Feb 27, 2010 1:03 pm

Brian the brain wrote:Nope..they're still 16 mm...


Haha, I disturbed and amused in equal measures at the idea that you "self-checked" while posting :D

1mm sounds very promising. That would make a true raygun especially if you crank UP the ROF.


The flow into the BB chamber is going to be at the very least 100% of the flow through the barrel (using a 5mm ported ball valve) and there will be no seals or detents so ROF should be as high as it can get :D
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