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Door Gun From Hell!

7968 Views 16 Replies 4 Participants Last post by  Daniel Watters
[IMG=left]http://www.planetrainbowsix.com/armm/images/door_gun.jpg[/IMG]

Yes, this is part of an actual military project.

Name the weapon, its caliber, cartridge, and the purpose of its installation.
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WTF? 30MM tank buster?
That thing is SWEET!

DETAILS! STAT!
Yes, it is 30mm, but which one? (There are two very different 30mm chamberings in US inventory.)

Yes, it could be used to kill tanks, but that it is not its primary purpose in this application.
George beat me to it, but I was opting for a 40mm anti-tank gun.

Um, yup… what George said!

Bunker-busting? The ol' anti-pillbox M789 (HEDP) High Explosive Dual Purpose round? Or is it the 30mm x 173 GAU-8/A?
Close, there is an experimental 40mm cartridge associated with this weapon. The conversion will require only swapping the 30mm barrel for a 40mm barrel.

But no, bunker busting isn't the mission. Hint: This is a USN project.

FWIW: The weapon in question also had a prototype Big Brother chambered for Bofors' 40x364mm, not be confused with the WW2-era 40x311mm Bofors cartridge.
Getting warmer... :D
DeanSpeir said:
The ol' anti-pillbox M789 (HEDP) High Explosive Dual Purpose round? Or is it the 30mm x 173 GAU-8/A?
It is indeed the same 30x173mm round as used by the GAU-8/A, but the cartridges tagged for this project wouldn't be adviseable for use with the A-10. On the other hand, they would be suitable for the Dutch Goalkeeper CIWS.
Hmmmmn… "Getting warmer" with a smilie!

Are you teasing me, Dan'l? Is it actually a DU round?

If it was an anti-missile round, the gun would be the GAU-8 Avenger, but it's not, so a "mine-sweeping" weapon?
DeanSpeir said:
Is it actually a DU round?

If it was an anti-missile round, the gun would be the GAU-8 Avenger, but it's not, so a "mine-sweeping" weapon?
Bingo, it is part of the Rapid Airborne Mine Clearance System (RAMICS).

The weapon is an ATK Mk 44 (Bushmaster II).

To be honest, I really don't know what the Mk 258 MOD 1's long rod penetrator is made from. I just wouldn't want to have one of my engines ingest part of a sabot.
Dan'l said:
To be honest, I really don't know what the Mk 258 MOD 1's long rod penetrator is made from.
When you used the word "warmer," I thought you were giving me a hint, hence the DU.
Mine clearing? LOL... indeed.
I bet the Coasties are salivating for that thing for drug interdiction operations. I used to know some of those guys who really had a fondness for firepower.
DeanSpeir said:
When you used the word "warmer," I thought you were giving me a hint, hence the DU.
It was a hint. I just meant that the target was also submerged.

Mad Ogre said:
I bet the Coasties are salivating for that thing for drug interdiction operations.
Yeah, it would make a bigger dent than their Robar RC50.
This is part of the performance requirements for the Mk 258 Mod 1 cartridge:

The ammunition must be capable of entering the water at an angle of 60 degrees from the horizontal and continue in water to a range of 75 feet. The velocity after traveling 75 feet in water must be greater than 3000 feet per second. The kinetic energy of the projectile after 75 feet of water travel must be greater than 46,000 foot-pounds.
Sheesh, I bet "Sheriff Brody" of "Amity Island" would have given his back teeth for one of those instead of that old M1 he used.... :wink:
Judas Priest!
:shock:
FWIW: The Mk 44 cannon is going to be used by the USN and USMC in the Mk 46 Weapons Station. The Mk 46 Mod 0 will be mounted on Expeditionary Fighting Vehicle (EFV), previously known as the Advanced Amphibious Assault Vehicle (AAAV). The Mk 46 Mod 1 will be found on the new San Antonio-class (LPD 17) landing platform dock ships.

Some in the Army have also expressed the desire to use the Mk 44 as a replacement for the 25mm M242 in the Bradley and in the proposed FCS.

ATK's info blurb for the Mk 44:
http://www.atk.com/international/precision/descriptions/products/GunSys/mk44.htm

More on the RAMICS:
http://www.dtic.mil/ndia/2003gun/jen.pdf

Info on the Mk 46 Mod 0:
http://www.dtic.mil/ndia/gun/nans.pdf

More info on the Super Forty variant:
http://www.dtic.mil/ndia/2003gun/mosh.pdf
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