02-17-2014, 02:29 PM
So, my lathe is getting close to being ready to make some chips and I think that this would be a good first project once I learn how to actually utilize the features of my lathe.
As an Explosive Ordnance Disposal (EOD) Technician we use a wide array of tools but the MK2 Mod 1 has been around almost since the beginning of EOD. During EOD school when I had the choice of what tool to use I found that for probably 90+ percent of all applications this little baby would do the trick and do it really well. Whether it was expose the contents of a paper bag or remove the end cap from a steel pipe bomb the .50 cal dearmer works wonders. Yes, it is officially known as a dearmer, which to me means that we made up our own word. But anyway, here are some pictures of the tool and then my hand drawing with dimensions.
My idea is to actually shrink this down to a .30 cal dearmer and use the 30-06 as the cartridge that would be inserted. "I have no plans of attempting to use this as an actual tool, it is for display purposes only." The reason that I want to use the 30-06 is that when John Moses Browning designed the .50 BMG for anti-aircraft use he realized that there was no need to reinvent the wheel and if the 30-06 worked really well (which it does) then a bigger version do really well also. Now, I'm going the other way because 30-06 brass for a display piece is readily available and inexpensive. The .50 BMG is more difficult to find and generally commands outrageous pricing. I am also doing the smaller version because the MK2 Mod 1 is quite large and heavy. Aluminum would make it lighter but for whatever reason I want to keep it in the carbon steel form.
The first picture is a 50% version made in aluminum sold by Bombs Away. I don't like it being in aluminum and I don't like Bombs Away so I'm not trying to advertise for them but it is a really fancy little kit.
As an Explosive Ordnance Disposal (EOD) Technician we use a wide array of tools but the MK2 Mod 1 has been around almost since the beginning of EOD. During EOD school when I had the choice of what tool to use I found that for probably 90+ percent of all applications this little baby would do the trick and do it really well. Whether it was expose the contents of a paper bag or remove the end cap from a steel pipe bomb the .50 cal dearmer works wonders. Yes, it is officially known as a dearmer, which to me means that we made up our own word. But anyway, here are some pictures of the tool and then my hand drawing with dimensions.
My idea is to actually shrink this down to a .30 cal dearmer and use the 30-06 as the cartridge that would be inserted. "I have no plans of attempting to use this as an actual tool, it is for display purposes only." The reason that I want to use the 30-06 is that when John Moses Browning designed the .50 BMG for anti-aircraft use he realized that there was no need to reinvent the wheel and if the 30-06 worked really well (which it does) then a bigger version do really well also. Now, I'm going the other way because 30-06 brass for a display piece is readily available and inexpensive. The .50 BMG is more difficult to find and generally commands outrageous pricing. I am also doing the smaller version because the MK2 Mod 1 is quite large and heavy. Aluminum would make it lighter but for whatever reason I want to keep it in the carbon steel form.
The first picture is a 50% version made in aluminum sold by Bombs Away. I don't like it being in aluminum and I don't like Bombs Away so I'm not trying to advertise for them but it is a really fancy little kit.
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According to my calculations my final OD will be 1.2" with a total length of (IIRC) 4.35"
