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#8182 .38/.357 prototype

Posted by Cutter on 04 August 2018 - 05:44 PM

I’m liking this model.
I might just finish the model then start the real deal all over.
It’s only a hobby  
 
 
 
 
 

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#7795 D&E Carriage

Posted by Roller on 28 August 2017 - 10:59 PM

Attached File  IMG_20170727_085606.jpg   295.38KB   2 downloadsupdate on project.


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#7485 Model 1874 Camel gun

Posted by Anderson Guncraft on 10 January 2016 - 04:43 PM

This pic was taken yesterday 01/09/16. 1874 Camel in .45-70 nearing completion. I still have the feed hopper to machine. This is the last major part of the gun to be done. Gear blanks are at the gear cutting shop and should be done in a couple of weeks. After the gun is done I'll start on the tripod parts. 

 

If you are on Facebook search for Anderson Guncraft.

 

Barry

 

 

 

Attached File  DSC01063 (800x600).jpg   305.58KB   7 downloads


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#8293 Another hobby

Posted by bruski on 08 September 2018 - 05:46 AM

Here are a few more pictures of my scaled up Demon V-8 engine. The blower is a sliding vane type of air pump which is more efficient than running two rotors that are double lobed. It looks like it has two rotors by the looks of the bearing caps. I temporarily am using glow plugs in the heads but it will run with a spark ignition after break in. The two gears on the output shaft are temporary for an extra heavy flywheel. The engine has split shell bearings on the crankshaft mains and rods. It is still too tight to run by itself yet and needs some run time in the lathe about 2000 rpm which is still below the idle speed.

 

bruski 

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#8220 .38/.357 prototype

Posted by Sparky_NY on 17 August 2018 - 05:20 PM

Just to prove I have not been totally slacking while you guys make so much progress.

 

Extractors are M16/Ar15 copies I made,   bolts have slot on bottom for ejector pin in pan.   Bolts made from 4140 prehard,  extractors O1.   Holes for firing pins done and rear bushing.   Firing pins are next.

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#8213 .38/.357 prototype

Posted by bruski on 13 August 2018 - 12:56 AM

Cutter,

 Have a nice vacation and don't forget to bring your laptop with you so you can design a nice hopper feed mechanism for the 357's.

bruski


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#8207 Fess up

Posted by Sparky_NY on 12 August 2018 - 02:05 AM

Dang D&E gat, later mated with the RGG design for a hybrid version.      Started back when I got my first bridgeport,  a friend had the plans and never attempted to build it, he gave them to me for a first project on that bridgeport.

 

Then, I decided to get into cnc.... built a stepper x/y table to mount on the bridgeport, later converted the machine itself to cnc.       THEN....  a friend with a machine shop gave me a smoking deal on a V2Xt bridgeport with servos,  so I changed machines.

 

THEN......    I sold all my machines,  moved south but kept all the tooling and such.     Built a 32x50 pole barn for a shop,  a room in that barn for a machine shop.  Retired about 2 years ago.  Got more machines and FINALLY returned to the gat project.   Finished it up this year and fired it a bunch.    Now onto the 357 gat project.

 

So....  3 bridgeports,  900 miles, put up a building, finish the gat somewhere around 7 years after I started it.          Had fun though through out it all however.  


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#8188 .38/.357 prototype

Posted by Cutter on 08 August 2018 - 04:19 PM

The window view

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#8185 .38/.357 prototype

Posted by Cutter on 07 August 2018 - 08:10 PM

I made the side rails from 1/4 X 1 aluminum
I had laying around for awhile. I also have
some 1” diameter aluminum tube for the phony barrels,
but only 13.375 long. That’s all the tubing.
Press in an insert with the chamber detailed.
 
I’m modifying the drawing for any changes as I go.
Should have a good drawing at the end

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#8172 .38/.357 prototype

Posted by Cutter on 03 August 2018 - 10:46 PM

I made the cocking mechanism today from some
white Delrin
Well worth the two days I spent on this, now I can
dial it all in.

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#8131 .38/.357 prototype

Posted by bruski on 28 July 2018 - 09:46 PM

Hey everybody,

 Thanks guys for the Birthday greetings, I been eating all day so far at the different restaurants around town that offer free meals on your birthday.

 

Here are some pictures of the firing pin used in the test firing of a primer. It is made up from the 10-32 x 3 inch socket head screw with a 10-32 stand off as a coupler attached to a piece of 3/16 drill rod threaded on one end and turned for the cartridge end. The bolt and bushing on the rear end is drilled and tapped for a 10-32 set screw to hold it in place.

 

 The dent on the primer looks good and deep enough for successful firing. It is adjustable being threaded into the stand off. The extractor part number is Brownells 430-000-249 and does work ok but is a little blunt on the forward end making it hard to snap over the rim. A little grinding and filing fixed that with more of an angled ramp.

 

 Cutter, I plan to mark and drill the bolts with the cam installed and with a cartridge chambered on BDC in the firing position. The cam that I used on the prototype basically surrounds the entire bolt carrier and I will probably use it on this gun.

 

bruski 

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#8127 .38/.357 prototype

Posted by bruski on 28 July 2018 - 02:52 AM

Cutter,

 Thanks for the information about measuring down to a millionth. Your extractors are looking great also.

 

I had a successful test firing of a freshly primed brass in one chamber. The extractor seems to let go of the brass just as soon as it clears the chamber and ejecting by itself without any help. I would assume this would get even better with recoiling going on at the same time.

bruski

 

 

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#8110 .38/.357 prototype

Posted by Cutter on 25 July 2018 - 06:14 PM

That operation is finished, all bots in,
 had one off 20 millionths, but close enough   

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#8092 .38/.357 prototype

Posted by Sparky_NY on 22 July 2018 - 11:28 PM

Got the pair made.     12/24 tooth, 16pitch.    Center distance is 1.591 which will look much better with this size gun for the crank placement.   My housing is 4" ID, 4-3/8 OD.

 

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#8078 .38/.357 prototype

Posted by bruski on 20 July 2018 - 08:16 PM

I don't think the .312 through hole is necessary for me any way, maybe for your longer bolts though. The video is nice to watch while it reminds us of our goal it also has the excitement with it to give us a kick in the pants to keep working on ours. Thanks.

 

 In the pictures you will notice 6 bolts fitted to the carrier at last. I had to pull a lever 6 times to get them which took quite a bit more effort than cutters push button machine,lol. The holes are not drilled yet for the firing pins though, more on that later.

bruski

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#7833 Rat Gat

Posted by Cutter on 18 January 2018 - 05:06 PM

Where is everyone ?

 


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#7731 D&E rebuild / hybrid

Posted by Sparky_NY on 14 February 2017 - 01:51 AM

Spent a good part of the day learning fusion 360 and drawing up the DE housing with all its details, including the threads.   It made me pull out half of what little hair I have left but should be worth it in the long run.   

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#7714 Rat Gat

Posted by Cutter on 27 January 2017 - 04:35 PM

Two new magazines for the Twins, the small one belongs to Shorty

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#7703 0% receiver

Posted by Cutter on 06 January 2017 - 06:07 PM

Posting an image for joboxxer

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#7621 Trying to get it done

Posted by USMC0811 on 03 July 2016 - 12:51 PM

Attached File  DSC02089.JPG   555.23KB   5 downloadsAttached File  DSC02098.JPG   542.33KB   5 downloadsAttached File  DSC02078.JPG   499.17KB   4 downloads
 
 
 
here are some pic's will get more latter today


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