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mike_Duplessis · ***Power User*** Offline Joined: Jan 24, 2006 Posts: 236

Here's a number I don't recall running across.
Does anybody know the penetration stats for the U.S. 120mm gun? Not asking for any super-secret info, I just assume there's number floating out there somewhere.

Adrian_Wainer · ***Power User*** Offline Joined: Jun 03, 2006 Posts: 255

I am not an MBT/AFV swot but if you can find engagement ranges, penetration points and armour details re Iraq equipment taken-out in the two Gulf wars, I think you have got it.

these guys might be able to help you

63.99.108.76/forums/index.php?

63.99.108.76/forums/in...howforum=8

Best and Warm Regards
Adrian Wainer

Ã¢â‚¬Å¾Ik val aan, volg mij!Ã¢â‚¬Â?
Rear Admiral Karel Doorman Royal Netherland Navy
Battle of the Java Sea 1942

C_Sherman · ***Power User*** Offline Joined: Jan 24, 2006 Posts: 590

I'm pretty sure the actual numbers are classified, but I recall an article or two when they were first introduced. The numbers I remember were in excess of a foot for armor steel, rather than inches. I don't think they mentioned Depleted Uranium (DU) penetrators, so I might guess this is for tungsten darts. Not much help, I know...

As it turns out, these penetration numbers were actually a driving force in the development of composite (Chobham-type) armors. Or "armours" if you prefer. The thickness of steel required to defeat a sabot projectile became so prohibitive in terms of weight and thickness that alternative armors were the only option. Obviously that worked out OK for the Abrams, Challenger, and Leos.

C

mike_Duplessis · ***Power User*** Offline Joined: Jan 24, 2006 Posts: 236

I was directed to this interesting website:
members.tripod.com/col...rotect.htm

They stress on the site that they're only working with estimates, but:

US M829A3 120mm DU 765mm at 2km (200x) (Russian estimate 795mm)

US M829A2 120mm DU 730mm at 2km (1994)

US M829A1 120mm DU 610mm at 2km (1991) (Russian estimate 700mm)

US M829 120mm DU 552mm at 2km (1988)

US M827 120mm DU 450mm at 2km (1986)

Compared to:

Ukraine 125mm Vitiaz round 760mm at 2km (2002)

Russian 125mm BM-4? tungsten 800mm at 2km (200?)

Russian 125mm BM-42M tungsten 600mm at 2km (1991) (22:1 L/D)

Russian 125mm BM-42 "Mango" tungsten alloy 520mm at 2km (1988) (16:1 L/D)

Russian 125mm BM-32 "Vant" DU 560mm at 2km (1985) (13:1 L/D)

Russian 125mm BM-29 DU 500mm at 2km (1982) (12:1 L/D)

Adrian_Wainer · ***Power User*** Offline Joined: Jun 03, 2006 Posts: 255

Odds and Ends, you might find something of interest here Mike.

www.irak.be/ATK%20Prod...k-ammo.htm

66.102.9.104/search?q=...clnk&cd=10

63.99.108.76/forums/in...10482&st=0

Best and Warm Regards
Adrian Wainer

Ã¢â‚¬Å¾Ik val aan, volg mij!Ã¢â‚¬Â?
Rear Admiral Karel Doorman Royal Netherland Navy
Battle of the Java Sea 1942

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