2006/10/13

Misc. Friday Ramblings...

Dogbert:
The best part about hating people is that I never run out of great ideas.

Friday FIREPOWER!
  • What caliber is best for pumpkins?
    They're coming right for us!

  • Dragon Skin armor.
    "Pinnacle Dragon Skin SOV-2000 level III armor was tested this week for an LE agency, along with stand-alone Armored Mobility Incorporated level III plate armor used as a control and for comparison. Both types of armor were conditioned for 12 hours at 170 degrees F, then moved to ambient air for approximately 90 min prior to being shot. The problems associated with the use of inelastic clay backing material have been well documented; as such, the armor was secured to a life-size curvilinear torso replica made of Perma-Gel. Each armor system was shot a minimum of 20 times with five shots of each ammunition type fired against each armor system--one 90 degree perpendicular shot, two shots at 60 degrees obliquity, and two shots at 30 degrees obliquity, using each of the following loads fired at a distance of 10 feet:

    -- 5.56 mm 40 gr LeMas Urban Warfare (using a moly coated Nosler Ballistic Tip bullet) with a 3718 f/s average velocity.
    -- 5.56 mm M855 62 gr FMJ with a 3054 f/s average velocity.
    -- 7.62x39 mm M43 123 gr steel-core FMJ with a 2307 f/s average velocity.
    -- .30-06 M2 150 gr FMJ with a 2736 f/s average velocity.

    All of the above ammo was successfully stopped by both armor systems in this testing, with no armor failures or penetrations, even after receiving multiple hits."


  • North Korea's nuk-u-lar program.
    Estimating the yield is tricky business, because it depends on the geology of the test site. The South Koreans called the yield half a kiloton (550 tons), which is more or less—a factor of two—consistent with the relationship for tests in that yield range at the Soviet Shagan test site:

    Mb = 4.262 + .973LogW

    Where Mb is the magnitude of the body wave, and W is the yield.

    3.58-3.7 gives you a couple hundred tons (not kilotons), which is pretty close in this business unless you’re really math positive. The same equation, given the US estimate of 4.2, yields (pun intended) around a kiloton.

    A plutonium device should produce a yield in the range of the 20 kilotons, like the one we dropped on Nagasaki. No one has ever dudded their first test of a simple fission device. North Korean nuclear scientists are now officially the worst ever.

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