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 Post subject: FAQ: Can a Cheap spring-powered Thompson be used in a PR?
PostPosted: Wed Feb 18, 2004 8:27 am 
Edit: title changed from: 'Will the PR AS kit fit a spring-powered Thompson?'

I want to build a pulse rifle that has a soundboard, a working counter, and muzzle flash. I only want it for costuming purposes, and although a Tokyo Marui would be nice, I have no intention of shooting bb's and am terrified to dryshoot such a piece.

Is is possible to get the spring powered Thompson and use the PR kit on it?

Thanks in advance.
Edited by: [url=http://p220.ezboard.com/bthealienslegacy.showUserPublicProfile?gid=rook3>Rook 3[/url] at: 8/25/05 7:55 pm


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Wed Feb 18, 2004 12:21 pm 
Why not. I've got a veru accurate one I found in Taiwan of a 1927 (diff. receiver). But the scale is exact. I checked it against dummy recvr, TM.:)
"We few, we happy few, we band of brothers...For he today that sheds his blood with me
shall be my brother."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Wed Feb 18, 2004 3:49 pm 
I believe the spring thompson is the 1928 model The upper reciever is quite a bit wider than the M1A1 model we use for the Pulse rifle. Stuffing it into the airsoft PR shroud would require a bit of hacking and sanding to get it in there..I imagine it could be done though.

Matt


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Thu Feb 19, 2004 1:18 am 
yep, the spring powered Thompson's are the 1928 (or M1928 ) model. The version used in the Pulse rifle is the M1A1, released in the mid-1940s.

The true Thompson gurus will chime in, but the 1928 has several differences which make it mostly unsuitable for making a pulse rifle.

A bit of hacking, sanding, relocating the bolt from the top of the receiver to the side, which will neuter any firing ability of the gun...

There's a lot against it. I'm not saying it's impossible, but it may be more work than it's worth. It really boils down to how much your time is worth. :)

Rook

Visit Rook's Castle, I dare you! What's a matter McFly? Chicken?Edited by: [url=http://p220.ezboard.com/bthealienslegacy.showUserPublicProfile?gid=rook3>Rook 3[/url] at: 8/25/05 4:21 pm


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Thu Feb 19, 2004 2:32 pm 
Ok. Somebody please give me a measurement of the M1A1. I lied. I didn't check it (the M1928) against my M1A1 block.:lol:
"We few, we happy few, we band of brothers...For he today that sheds his blood with me
shall be my brother."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Thu Feb 19, 2004 3:41 pm 
Which measurements you need MAA?
The reciever is approx 1.325inch/33.5mm then flares out to 1.85inch/46mm to meet the grip frame/fire control group.

Mind you the one I'm measuring is an aluminum dummy but should be close to a few thousanths. ;)

Matt


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Thu Aug 25, 2005 11:22 pm 
Nobody has stepped forward saying they've done it.

A couple years ago somebody DID make one, but they relocated the bolt from the top, to the side, neutering the firing ability.

As has been mentioned previously, the M1928 has a few differences from the M1A1 Thompson. They include...

- Slightly different shape pistol grip/lower receiver.
- Larger size upper receiver.
- Top mounted bolt.
- Finned barrel (Although there are people now selling Top bolt Thompsons with the smooth/non-finned barrel on eBay, but they're still calling them M1A1's, which is incorrect.)

If you are a skilled modeler (and I know YOU are from your other work) you could certainly make a modded or derivative pulse rifle using an M1928.

There's a whole other thread devoted to the ins and outs of the cheap (and not so cheap) plastic Spas 12's Here.

Russ

Image

"Time has little to do with infinity and jelly doughnuts." Edited by: [url=http://p220.ezboard.com/bthealienslegacy.showUserPublicProfile?gid=rook3>Rook 3[/url] at: 8/25/05 7:53 pm


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Fri Aug 26, 2005 12:01 am 
So has anyone tried this yet? On ebay, it looks like you can get a spring spas and 1928 thompson for a little over $100. Matt gets us the shrouds, with room for the upper bolt.
Image


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Sun Sep 25, 2005 11:43 pm 
This thread is older than some cockroaches I've recently killed in my kitchen.
[img]http://www.scifimilitary.com/MAA/SFMsig.jpg[/img]


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Mon Sep 26, 2005 7:24 pm 
I dunno, those cockroaches can live for like 500 years ya know. ;)

I'm going to try this just for fun, using all springer parts. Thompson, spas, and 870. Gun show is coming up and they usually sell these thompson springers for cheaper than ebay, and I have a couple plastic spas cages laying around.

In the next few weeks I'll post some photos of my progress with some vac formed shrouds.

Njc---------------


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Tue Nov 29, 2005 5:58 pm 
This thread lives!

FYI I just got a mod 1928 for the very purpose of modifying it for PR use.

I plan to widen the shroud to fit over the upper reciever of the 1928, and not bother with relocating the bolt but rather modify it to be ambidexterous similar to the G36 design.

Being wider , the standard PR stock will not fit, and there will be hardly any room left in the shroud to fit a larger one in there even if you did. So this leaves the 1928 a good candidate for our thumbhole stock version.

The trick is to not try and make the 1928 look like an m1a1 that's too much trouble. The point is to make an all new variant.

Rook, do you still have that line art you did of the thumbhole/sniper PR?
Post it or send it to me to post if you have time.

Alex, if you ever get the notion, and since you got the gigabytes to do it, I fancy to see a smartly rendered, shaded, textured...etc etc version of that gun...

And since I'm barking orders..Noeland, we need a progress report on that springer project!

Sarah, coffee...black...and wheres my copy of "Modern Carnage"....someone get...Armat on the phone, and for gods sake tell Wayland I'll call him when I have a spare nanosecond...sheesh

M
[img]http://hometown.aol.com/mattworsdell/images/mcorplogo10023.gif]


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Tue Nov 29, 2005 7:21 pm 
Who's baby is that...

What's your angle...

I'll buy that! :D

By the way... you gonna use that drum mag? ;)
Kevin

[img]http://groups.msn.com/_Secure/0TgDnAloXyJBkYBZV7s*Kj9!1Bc8b0FJ!WEmX8BpHJk8yRyABH697OsLy1Bm1knQrHcDDdHqDnRAmyoDB6vy6w!ASmCM57J8W6cyCxY8Y84TWwwCw7UVNAA/Burton%20004.JPG[/img]

"I know I'm human. And if you were all these things, then you'd just attack me right now, so some of you are still human. This thing doesn't want to show itself, it wants to hide inside an imitation. If it takes us over, then it has no more enemies, nobody left to kill it. And then it's won."

Edited by: [url=http://p220.ezboard.com/bthealienslegacy.showUserPublicProfile?gid=ssgtburton>SSgt Burton[/url]  Image at: 11/29/05 12:22 pm


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Wed Nov 30, 2005 2:42 am 
If you want the drummie its yours kev.

M
[img]http://hometown.aol.com/mattworsdell/images/mcorplogo10023.gif]


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Wed Nov 30, 2005 4:59 am 
Throw it in with the rest of the parts!

Just let me know the damage. ;)
Kevin

[img]http://groups.msn.com/_Secure/0TgDnAloXyJBkYBZV7s*Kj9!1Bc8b0FJ!WEmX8BpHJk8yRyABH697OsLy1Bm1knQrHcDDdHqDnRAmyoDB6vy6w!ASmCM57J8W6cyCxY8Y84TWwwCw7UVNAA/Burton%20004.JPG[/img]

"I know I'm human. And if you were all these things, then you'd just attack me right now, so some of you are still human. This thing doesn't want to show itself, it wants to hide inside an imitation. If it takes us over, then it has no more enemies, nobody left to kill it. And then it's won."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Thu Dec 01, 2005 3:34 am 
Matt, sent you the requested picture.

Cheers,

Russ

Image

"Time has little to do with infinity and jelly doughnuts."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Thu Dec 01, 2005 6:48 am 
Quote:
Quote:Alex, if you ever get the notion, and since you got the gigabytes to do it, I fancy to see a smartly rendered, shaded, textured...etc etc version of that gun...

Working on it... ;)

Quote:
Quote:Rook, do you still have that line art you did of the thumbhole/sniper PR?

Russ, Can you post it here in this thread or PM me a link to the image? Don't have access to my email at the moment...

-Alex
"The M41-A. When you absolutely, positively have to kill every mofo in the room. Accept no substitutes."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Thu Dec 01, 2005 2:52 pm 
Aqui...

[img]http://hometown.aol.com/mattworsdell/images/prprotox3.jpg[/img]

The top is the original inspiration taken from a "vintage" Japanese fan mag.
The second is my pencil sketch of that image.
The third is Rooks version.

M
[img]http://hometown.aol.com/mattworsdell/images/mcorplogo10023.gif]


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Thu Dec 01, 2005 3:18 pm 
My thumbhole stock mod with the patented "grip lock pin" system (tm) ( ;) ) is there because, as always, I was basing it on the idea of using an airsoft gun, which requires having access to a removable hand grip which covers the motor of the Marui Thompson. Plus, the larger stock would house a larger battery, allowing the GL section to be used for other bad things. :lol:

Russ

Image

"Time has little to do with infinity and jelly doughnuts."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Thu Dec 01, 2005 11:40 pm 
Here's a quick mock-up:

[img]http://www.hooverae.com/upload/pics/tommyPulseRifle.jpg[/img]

It uses a 1928 TommyGun Receiver, and the stock is based off Matt's and Russ' fixed stock design.

Here's what the same stock would look like with a regular M1A1 receiver:

[img]http://www.hooverae.com/upload/pics/longStockPulseRifle.jpg[/img]

-Alex
"The M41-A. When you absolutely, positively have to kill every mofo in the room. Accept no substitutes."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Fri Dec 02, 2005 12:32 am 
Okay, where's that JAW DROPPING smiley face when you need it??? Image

:lol:

Very, Very cool Alex!

Russ

Image

"Time has little to do with infinity and jelly doughnuts."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Fri Dec 02, 2005 1:22 am 
Let's be careful of using the term "jaw dropping"
Here is my sniper stock from d con.
[img]http://home.comcast.net/~josephranger/sniper_stock.jpg[/img]
Image


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Fri Dec 02, 2005 2:04 am 
Is there a gun I'm supposed to find in those pictures? ;)
Kevin

[img]http://groups.msn.com/_Secure/0TgDnAloXyJBkYBZV7s*Kj9!1Bc8b0FJ!WEmX8BpHJk8yRyABH697OsLy1Bm1knQrHcDDdHqDnRAmyoDB6vy6w!ASmCM57J8W6cyCxY8Y84TWwwCw7UVNAA/Burton%20004.JPG[/img]

"I know I'm human. And if you were all these things, then you'd just attack me right now, so some of you are still human. This thing doesn't want to show itself, it wants to hide inside an imitation. If it takes us over, then it has no more enemies, nobody left to kill it. And then it's won."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Fri Dec 02, 2005 9:46 am 
Quote:
Quote:Very, Very cool Alex!

Russ


Thanks Russ! Next, I think I'll do a mockup more true to the PR Sniper Variant pic. :)

-Alex
"The M41-A. When you absolutely, positively have to kill every mofo in the room. Accept no substitutes."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Fri Dec 02, 2005 3:40 pm 
heh, I was going to ask if you were going to add the muzzle extension. Cool, cool.

Russ

Image

"Time has little to do with infinity and jelly doughnuts."


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 Post subject: Re: Will the PR AS kit fit a spring-powered Thompson?
PostPosted: Fri Dec 02, 2005 4:32 pm 
Quote:
Quote:heh, I was going to ask if you were going to add the muzzle extension. Cool, cool.


Done! ;)

[img]http://www.hooverae.com/upload/pics/sniperPRMockUp.jpg%20[/img]

I tried to follow the original sketch as much as possible. It ain't perfect, but it's a start. :)

-Alex
"The M41-A. When you absolutely, positively have to kill every mofo in the room. Accept no substitutes."


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