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Found 6 results

  1. I've been following this for a while: http://www.dtic.mil/ndia/2002gun/kathe.pdf http://www.dtic.mil/ndia/2007gun_missile/GMTueAM2/MinerPresentation.pdf http://www.dtic.mil/ndia/2009gunmissile/katheEmertechtuesday.pdf It's a remarkably good idea. RAVEN a drastically improved design for a recoilless rifle. In a traditional recoilless rifle, at the moment of ignition gas is free to exit the rear of the gun out of a De Laval nozzle: If the thrust of gas going through the nozzle is close enough to the momentum of the gas and projectile exiting the muzzle, the we
  2. Hello, I was wondering what were the Rh-105 penetration capabilities with 60s and 70s ammo? This is the only information i found thus far: Thank you sovngard! 130mm @ 60° @ 2000m 150mm @ 60° @ 800m What about 100m and 1000m? What about 0°?
  3. M1 CATTB pic from TankNet. I feel uncertain whether its cannon's caliber was 140mm or not, I found a figure at the document AD-A228 389 showed behind, which label the gun as LW 120.But in many ways I've found its data in websites all considered to be 140mm. AFAIK,the first xm291(140)demonstrator was based on xm1 tank, and the successor was the''Thumper'' which was fitted with a new turret look like the CATTB but still m1a1 hull(Maybe it was CATTB's predecessor? ) I will really appreciate if anyone have valuable information to share
  4. First off, notice the "might" in the title. It is not yet known what exactly happened. What I'll be talking about is something I heard from someone close to the people involved. It might turn out to be not true, or it might be true. To be sure we have to wait for the official report of the investigation. Second, it might seem I am attacking the victims of the accident, this is not the case. But if they made mistakes, I will point them out. So most of you have probably already heard of the accident with the M18 Hellcat. What I have heard from people close, is that the round went off
  5. http://www.popsci.com/china-builds-worlds-fastest-tank-gun-then-tries-hide-it New high velocity 125mm tank gun reportedly starting testing for the Chinese military. Not surprised that the data disappeared off the university website at all. Edit: 125mm/60? oO
  6. Or more specifically, why don't they burst? You have huge pressures behind them, they're thin and not really solidly fixed in place, and yet they are expected to stay intact - how? Me and colli were discussing this on TS yesterday, and there's no way inertia of the firing pin could be providing meaningful support - from squinting at a pressure Vs time graph of a 30.06, and assuming the firing pin can be modelled as a piston of radius ~1mm acted on by the chamber pressure, the applied impulse is on the order of kgms-1. So that firing in should be moving backwards at a considerable velocity,
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