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| jackssmirkingrevenge |
 Posted: 03/08/2010 22:25 PM Post subject: |
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aspiring machinist
Joined: 15 Mar 2007
Posts: 18060
32518.54 Spud Bux
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| Hotwired wrote: | | Blow-forward instead of blow-back. |
Sadly the man seems to have an aversion to sleeves, even though they remove the need for a locking mechanism... |
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| POLAND_SPUD |
| Posted: 03/09/2010 0:51 AM Post subject: |
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Lieutenant General
Joined: 13 Oct 2007
Posts: 4387
11901.36 Spud Bux
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| Quote: | | Sadly the man seems to have an aversion to sleeves, even though they remove the need for a locking mechanism | blow-back has potential... the only problem is that BTB insists on getting it to work with the delayed blow-back instead of getting it to work at all |
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| Lentamentalisk |
| Posted: 03/09/2010 4:00 AM Post subject: |
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Resident Tinkerer
Joined: 07 Aug 2007
Posts: 1202
2200.81 Spud Bux
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What about an integrated blow forward and suppressor? Kill two birds with one stone (unless you are going for noise and recoil, which most people seem to be doing on smaller cannons...) I mean, that diagram is already pretty much a suppressor, just one that moves with air.
I guess the trick would be to keep the volume low enough (at least to start) to keep the pressure high enough (again, at least to start) to actually slide the sleeve. |
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| jackssmirkingrevenge |
| Posted: 03/09/2010 4:12 AM Post subject: |
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aspiring machinist
Joined: 15 Mar 2007
Posts: 18060
32518.54 Spud Bux
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| Lentamentalisk wrote: | | What about an integrated blow forward and suppressor? |
As I've stated ad nauseum, that's what the FX does  |
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| Brian the brain |
| Posted: 03/09/2010 15:34 PM Post subject: |
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Dutch Spud Clan Leader
Joined: 05 Dec 2005
Posts: 2763
6458.86 Spud Bux
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Keep at it boys!
My scooter is nearly finished.
I have a neighbour down the block that restaures old motorcycles.
I'm talking 1907-no parts available.
He builds frames from scratch!
And those were not just pipes..
I've seen his incredible stuff.
Truely complex shapes such as a crownplate with oval holes through it..all steel, but he can hardsolder too. An artist.
He straightened out the crownplate of my scooter ( front forks) like it was nothing.
100% straight... (Don't go there Jack!)
Took out all the tension.
So that project was done pretty quick and won't take up any more of my time..
This man has everything a spudder could ever need.
Lathe, mill, drill press, welders, you name it.
I gave him more tip than the original amount he charged me...
He said I could come back if I ever needed any work done...first job would be free of charge...
That was AFTER I told him about my hobby..
He said he'd love to see Old Shatterhand...
So...I guess I'll take him up on that offer...
Oh...and...as my scooter was considered to be a " totall loss" by the insurance....I get to spend the extra cash...on a lathe...
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| jackssmirkingrevenge |
| Posted: 03/10/2010 0:46 AM Post subject: |
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aspiring machinist
Joined: 15 Mar 2007
Posts: 18060
32518.54 Spud Bux
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| Brian the brain wrote: | | 100% straight... (Don't go there Jack!) |
And who doesn't like a straight fork
I had to
Maybe you should see if he would turn his talents to spudguns?
This could be your next project:
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| django |
| Posted: 03/10/2010 4:26 AM Post subject: |
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Captain
Joined: 12 Feb 2005
Posts: 316
1207.95 Spud Bux
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| AH HA,HA,HA,HA,HA look out here comes Brian vrrrmmmmmmmmm,KA----BOOOM!! |
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| Skywalker |
| Posted: 03/10/2010 18:53 PM Post subject: |
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Master Sergeant
Joined: 05 Aug 2007
Posts: 169
621.30 Spud Bux
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Well, if you are inventive and/or have access to a machine shop, I could definitely see someone combining this blow-back mechanism and bolt with a slide-valve to pilot the gun, something like this:
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| iknowmy3tables |
| Posted: 03/10/2010 19:40 PM Post subject: |
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poopie joke comedian
Joined: 15 Dec 2006
Posts: 1513
2813.79 Spud Bux
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a bit much dead space and where does does that design use blow back,
on top of that Brian's current design pushes the ammo directly over the valve opening to minimize dead space |
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| Brian the brain |
| Posted: 03/11/2010 14:58 PM Post subject: |
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Dutch Spud Clan Leader
Joined: 05 Dec 2005
Posts: 2763
6458.86 Spud Bux
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Muhahaha...
Nice scooter there...
Damnit..I have been thinking of hiding a bbmg in there just cause I can..
But what if I get pulled over...And they confiscate the thing...one day.
I've already tinkered with the engine to make it go 75% faster than it is allowed to..
( Yes...same stupid laws again)
There is a remote chance of me getting caught...but still...
Oh well...The ram doesn't seem to be the problem.
It's the QD. I need the ballbearing kind.
This one intensifies it's grip under pressure.
I'll lathe the boltlock myself when I get the chance..and get it up and running.I've fooled around with this for far too long.
There are too many flaws in it.Friction on the ram, hard to knock open bolt..loose fit ammo, forked up barrel from refitting everything time after time..
The system works if the boltlock works...basically what Al-xg did.
He had a smooth boltlock.
So..this project is on hold untill I can lathe the parts I need to make it work.
I don't feel like solving things in a different way as I know this is workable. |
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| jackssmirkingrevenge |
| Posted: 03/11/2010 15:02 PM Post subject: |
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aspiring machinist
Joined: 15 Mar 2007
Posts: 18060
32518.54 Spud Bux
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| What a load of boltlocks, just go with the sleeve |
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| SEAKING9006 |
| Posted: 03/11/2010 16:39 PM Post subject: |
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Brigadier General
Joined: 23 Jun 2008
Posts: 752
1555.24 Spud Bux
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Just go to home depot and BUY one, then. I always get a ton of QD's every time I go, I never seem to have enough of them.
Unless of course there are no home depots where you are. Seems like one easy issue to fix. |
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| POLAND_SPUD |
| Posted: 03/11/2010 16:46 PM Post subject: |
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Lieutenant General
Joined: 13 Oct 2007
Posts: 4387
11901.36 Spud Bux
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| Quote: | | This one intensifies it's grip under pressure |
| Quote: | | It's the QD. I need the ballbearing kind | ball bearing QDs that I've seen are the same... where did you find one that isn't a bb QD?? |
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| inonickname |
| Posted: 03/12/2010 2:31 AM Post subject: |
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Major General
Joined: 07 Dec 2008
Posts: 2487
6556.71 Spud Bux
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| POLAND_SPUD wrote: | | Quote: | | This one intensifies it's grip under pressure |
| Quote: | | It's the QD. I need the ballbearing kind | ball bearing QDs that I've seen are the same... where did you find one that isn't a bb QD?? |
You can get ones which move a sliding bit of metal to grip a collar on the male neck. |
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| POLAND_SPUD |
| Posted: 03/12/2010 7:31 AM Post subject: |
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Lieutenant General
Joined: 13 Oct 2007
Posts: 4387
11901.36 Spud Bux
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I like that QD thing on it... but who said it needs that air ram where it is ?? if the ram has to open the QD first and than the QD has to open too this means that there will be some delay caused by inertia
ohh btw I found this yesterday
it's a working model of m16 rifle created in algodoo... it is both semi auto and full auto (and yeah you change between the two by switching the select fire lever) you can download it here http://www.algodoo.com/algobox/index.php?page=3
I wish algodoo could simulate gases  |
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