You're Crazy ? Mystery Cache
Hidden : 9/4/2014
Difficulty:
3 out of 5
Terrain:
3.5 out of 5

Size: Size: micro (micro)

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Geocache Description:


"Fat Man" was the codename for the type of atomic bomb that was detonated over the Japanese city of Nagasaki by the United States on 9 August 1945. Fat Man was an implosion-type nuclear weapon with a plutonium core.

Little Boy, a gun type fusion weapon, was considered a simple design and was never tested before dropping it on Hiroshima. But the fission implosion-type Fat Man was Crazy complicated. It was determined that a test had to be done first. The test of the Fat Man bomb was called Trinity.




Conventional explosives surrounded the plutonium core "pit". These charges were arranged in a soccer ball pattern on the outside of a sphere. Shaped charges focus the blast evenly. They simultaneously fire inward, crushing the pit to critical mass, starting a fission chain reaction. (x-ray graphic below)






A. An exploding bridgewire detonator simultaneously starts a detonation wave in each of the 32 tapered high-explosive columns.

B. Detonation wave (arrows) is initially convex.

C. Faster explosives (Composition B: 60% RDX, 40% TNT). The wavefronts become concave.

D. Slower explosives (Baratol: 70% barium nitrate, 30% TNT). The 32 waves then merge into a single spherical implosive shock-wave.

E. Inner charges' faster explosives (Composition B).

F. The medium density aluminum "pusher" transfers the imploding shock-wave from the low-density explosive to the high-density uranium, minimizing undesirable turbulence. The shock-wave then compresses the inner components.

G. boron plastic shell intended to prevent pre-detonation of the bomb by stray neutrons. The shock-wave reaches the center of the bomb.

H. beryllium polonium "urchin" is crushed, pushing the two metals together and thereby releasing a burst of neutrons into the compressed pit.

I. pit of the nickel-plated delta-phase alloy of 239plutonium–240plutonium–gallium, 96%–1%–3% by molarity. A fission chain reaction then begins. The tendency of the fissioning pit to blow itself apart prematurely is reduced by the inward momentum.

J. The natural uranium "tamper" reflects neutrons back into the pit, accelerating the chain reaction. If/when sufficient fast neutrons are produced, the ( ? ) itself undergoes fission, accounting for up to 20% of the weapon's yield.







Find the Detonation Code to solve for the final coordinates.


FTF ~ Corfman Clan ~ FTF

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