International
Courtesy: http://nuclearweaponarchive.org/Usa/Tests/Ivy.html
Ivy MikeTest: Mike
Time: 19:14:59.4 31 October 1952 (GMT)
07:14:59.4 1 November 1952 (local)
Location: Elugelab ("Flora") Island, Enewetak Atoll
Test Height and Type: Surface burst
Yield: 10.4 Mt
The mushroom cloud climbed to 57,000 feet in only 90 seconds, entering the stratosphere. One minute later it reached 108,000 feet, eventually stabilizing at a ceiling of 120,000 feet. Half an hour after the test the mushroom stretched 60 miles across, with the base of the mushroom head joining the stem at 45,000 feet.
The device detonated in the Mike ("m" for "megaton") test, called the Sausage, was the first "true" H-Bomb ever tested, that is - the first thermonuclear device built upon the Teller-Ulam principles of staged radiation implosion. The device was designed by the Panda Committee directed by J. Carson Mark at Los Alamos (Teller declined to play a role in its development).
The 10.4 megaton device was a two stage device using a TX-5 fission bomb as the primary stage, and a secondary stage consisting of liquid deuterium fusion fuel stored in a cylindrical Dewar (thermos) flask. Running down the center of the Dewar was a plutonium "spark plug" rod to ignite the fusion reaction. The Dewar was surrounded by a natural uranium pusher/tamper weighing more than 5 metric tons. The entire assembly was housed in an enormous steel casing, 80 inches wide and 244 inches long, with walls ~10-12 inches thick, the largest single forging made up to that time. The inside surface of the casing was lined with sheets of lead and polyethylene to form the radiation channel that conducted heat from the primary to the secondary. The entire device weighed 82 tons.
The enormous explosion was the 4th largest device ever tested by the U.S. 77% (8 megatons) of the yield was due to fast fission of the natural uranium pusher/tamper, with remainder (2.4 megatons) coming directly from fusion of the deuterium fuel. The island the test device was installed on, Elugelab (code named Flora), was entirely destroyed. The resulting crater was 6240 ft across and 164 ft deep. High levels of radiation blanketed much of the atoll following the test.
aaaaaaaahhhhhhhhh pretty...thats a fucken big ass mushroom.
By S3rI0 1223588664 Reply Spam [+0] Moderate Up Moderate Down RemoveI can only cite the german Wikipedia, which, while certainly not the most reliable source, has an interesting article on Ivy Mike. The whole fusion material of Ivy Mike was surrounded by a Urane-238 block, which was intended to shield the Bomb. 77% of the power came from this block.
Altogether, Ivy Mike had a yield of 10,4 Megatons, which IS a lot. Actually it was the forth strongest nuke ever built by the US.
what is 3rd Fission stage ? which is unexpected
By NeoPHILiyac [Affiliate User] 1220667185 Reply Spam [+0] Moderate Up Moderate Down RemoveIt wasn't a small nuke. This was the first ever hydrogen bomb test with several megatons yield. Still one of the most powerful bombs ever built. Although bomb is wrong, this was a device, not useful for military service.
But it was not weak. In fact they grossly underestimated the power, because a third fission stage occurred which was unexpected.
thats just a small nuke but it looks so big
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