Browning M2HB, M3 & AN/M2 machine gun 3D printed - Terminator RSB-80?

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TazMan2000

Master Member
One of my customers sent me measurements of an actual M3 Tripod. I was close with mine but it helps having the exact (or close) measurements and not estimating from photographs. Still, in order to make this printable I had to make a few modifications. Initially I was going to make the pads extendable but that isn't going to happen. Everything will still be able to fold up though. I still have to make a few doohickeys for the legs, but it's almost ready for printing.

M3 Tripod1.png


TazMan2000
 

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TazMan2000

Master Member
I'm still designing the T&E (Traverse and Elevation) mechanism which holds up the M2, but have started printing the 'hub' parts. Despite the other half missing from the front section and without glue, it is surprisingly strong.

I will be using 3/4" copper plumbing pipe as a internal sleeve for the tripod legs.

Tripod 1.jpeg
Tripod 2.jpeg
Tripod 3.jpeg


TazMan2000
 

TazMan2000

Master Member
Upper hub glued together. The front tripod leg where I thought would require aluminum reinforcement actually is fairly strong. I designed meshed serated teeth on PLA washers to prevent the front tripod leg from moving once unfolded. It works great. I still have a day or two of printing the remaining parts of the main legs, but this contraption is turning out to be pretty strong. It probably would hold up a real weapon, but wouldn't stand up very long to prolonged recoil.

IMG_2678.JPG


TazMan2000
 

joberg

Master Member
Upper hub glued together. The front tripod leg where I thought would require aluminum reinforcement actually is fairly strong. I designed meshed serated teeth on PLA washers to prevent the front tripod leg from moving once unfolded. It works great. I still have a day or two of printing the remaining parts of the main legs, but this contraption is turning out to be pretty strong. It probably would hold up a real weapon, but wouldn't stand up very long to prolonged recoil.

View attachment 1455647

TazMan2000
Unless with reinforced Carbon Fibers ;) Looking good from where I stand!
 

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TazMan2000

Master Member
I still have to print the pintle which actually mounts to M2HB and some other details. Although not fully fuctional, the Traverse and Elevation mechanism slides to the left and right, and it raises and lowers, with graduations of rotation. The rear tripod legs aren't glued together yet. The slider for the Traverse Bar will be able to be locked in place with a latch.

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20210509_122418.jpg


TazMan2000
 

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