You might also try: MISSILEMAP. So was the Tsar Bomb really a functional weapon? High-profile indeed. The Megaton atomic bomb (called Atom by the Church of the Children of Atom and also the Apostles of the Holy Light) is the undetonated C-23 Megaton nuclear weapon sitting at the center of Megaton. The B-41 was of the usual long cylindrical shape. The gigantic weapon—over 26 feet long, nearly seven feet in diameter and 27 tons mass—was designed, engineered and fabricated all at once. Big Ivan's drag chute consumed most of the USSR's nylon output for 1961, leaving New Soviet Women to grumble about hosiery as one more thing the workers' paradise lacked. The B-41 was progressively phased out of service beginning in 1963, superseded by the B53 nuclear bomb. Like Russia's gigantic Tsar Bell and Tsar Cannon, this would be the Tsar Bomb. NUKEMAP 2.7 : FAQ. The two principal reasons for thinking this are the extremely compressed development schedule, and the very high profile of the test.”. Although similar to the real bomb in Megaton, the imaginary one is much larger. [3][2] However, since neither full yield versions of the B-41 nor "Tsar Bomba" were ever demonstrably tested, the B-41's high efficiency is merely theoretical; the most efficient tested and proven nuclear physics package is the W56. The Communist Party's 22nd Congress in October 1961 required something special. The Megaton atomic bomb only appears in Fallout 3. Had atmospheric nuclear testing continued the US might have tested a 100-megaton weapon half the weight of Big Ivan—light enough to actually fight with. I can only find figures for a 1 megaton bomb. About 500 of these weapons were manufactured between September 1960 and June 1962. At 11:32 am Moscow time the Tu-95N released its weapon then climbed and banked sharply. NUKEMAP is a mapping mash-up that calculates the effects of the detonation of a nuclear bomb. It even looked like a bomb was supposed to—just much, much bigger. It was the most powerful nuclear bomb ever developed by the United States, with a maximum yield of 25 megatons. On July 10, 1961 Soviet Premier Nikita Khrushchev summoned the USSR's top nuclear weaponeers and told them to promptly resume nuclear testing. As a result, for all its enormous power Big Ivan remains the “cleanest” nuclear weapon ever tested, as it derived more than half its power from nuclear fusion with far fewer radionuclides produced per megaton. Painted a special white reflective white to reduce flash damage from the explosion, the big Tu-95N turboprop bomber was still too small to carry Big Ivan internally. Such a huge bomb came about only because Soviet scientists had a good idea about how to proceed. The development of the B-41 began in 1955 with a USAF requirement for a Class B (high-yield, over 10,000 lb or 4,500 kg) weapon. It isn't clear who proposed a 100-megaton bomb—Khrushchev or the weaponeers—but at the premier's command the most powerful nuclear weapon ever built had to be ready in only four months. 20 Megatons would be a thermonuclear bomb. At the time the largest device the Soviets had tested yielded much lower, so to achieve 100 megatons Sakharov's team used clustering and staging. The founders of Megaton discovered the bomb, and a group of people calling themselves the Children of the Atom started worshiping it. Two versions were deployed, Y1, a "dirty" version with a tertiary stage encased with U-238 (natural uranium), and Y2, a "clean" version with a lead-encased tertiary. This article first appeared several years ago. The Megaton atomic bomb (called Atom by the Church of the Children of Atom and also the Apostles of the Holy Light) is the undetonated C-23 Megaton[1] nuclear weapon sitting at the center of Megaton. The B-41 was an example of a fission-fusion-fusion-fission type thermonuclear weapon, or tertiary stage bomb. During its operational lifetime, the B-41 was the most efficient known thermonuclear weapon in terms of yield to actual weight, with a 5.2 Megaton/tonne ratio (based on a 25 Mt yield). Efficiency. You must also state the height at which the bomb is detonated. As Carey Sublette of the Nuclear Weapons Archive website explains, “It is safe to assume that the 100 Mt bomb was a very conservative design - one that pushed no technical envelopes save for size. The additional tertiary fusion stage, compressed by a previous fusion stage, could be used to make a bomb with yields as large as desired. Megaton's sheriff Lucas Simms offers a reward for disarming the bomb. There are hints that the clean 50-megaton design was considered for weaponization, but nothing concrete. Would would be the effects of a 20-30 megaton tactical nuclear weapon blast on the surface of the moon? For two years while their country joined the United States and the United Kingdom in a voluntary moratorium on nuclear tests, Soviet nuclear scientists, including Andrei Sakharov, the “father of the Soviet hydrogen bomb,” developed and refined new weapon concepts and designs. The Soviet Union had no practical way of delivering its Tsar Bomb. 1. One Tsar Bomb alone could burn down West Germany—if it could get there. Finally, there was a fission jacket. After an interaction with Mr. Andrei Sakharov's team at Arzamas-16, the "USSR's Los Alamos," skipped the careful mathematical analysis require for H-bomb design and worked out "Big Ivan" on the fly using approximations. fueled by HEU to trigger the lithium-6 deuteride fusion fuel. The flash was visible at 600 miles and the thermal pulse felt over 165 miles away. “The same goes for rocks. For scenario, we're referring to an attack using a long range tactical nuclear ballistic missile with the intentions of destroy an enemy occupied mining and military base on the lunar surface. Seismometers recorded a an impact equal to a magnitude 5 earthquake. It weighed 10,670 lb (4,840 kg). The fate of the town lies in the Lone Wanderer's hands. Khrushchev's next move came on August 13, 1961, when East Germany began erecting the Berlin Wall. All-up three-stage thermonuclear weapons can be very dirty bombs, with more than half their power coming from fission—resulting in vast amounts of fallout. The snow has melted and their sides and edges are shiny. Its bomb bay doors were removed and sections of fuselage cut away to mount the bomb halfway inside the plane, like a giant engorged remora. ... “Before that it was just called the 50 megaton or 100 megaton bomb. The B-41 (designated Mk-41 until 1968) entered service in 1961. Carey Sublette, "Operation Plumbbob," Nuclear Weapon Archive, Learn how and when to remove this template message, National Museum of the United States Air Force, http://nuclearweaponarchive.org/Usa/Tests/Plumbob.html, http://www.ieri.be/fr/publications/ierinews/2011/juillet/fission-fusion-and-staging, https://en.wikipedia.org/w/index.php?title=B41_nuclear_bomb&oldid=963936221, Cold War aerial bombs of the United States, Articles needing additional references from October 2011, All articles needing additional references, Creative Commons Attribution-ShareAlike License, This page was last edited on 22 June 2020, at 17:05. The B-41 (also known as Mk-41) was a thermonuclear weapon deployed by the United States Strategic Air Command in the early 1960s. By ganging together eight or more smaller H-bombs and mating them to clusters of thermonuclear fuel capsules, a really big bomb could be built without any new technology. © Copyright 2020 Center for the National Interest All Rights Reserved. Based upon Nuclear Weapon Effects Calculator A 20 Gigaton nuclear explosion would create: 20 Gigatons = 83,680,000,000,000,000,000 joules or slightly over 3 times the total of all nuclear weapons in existence in 2017. https://fallout.fandom.com/wiki/Megaton_atomic_bomb?oldid=3117118. Fallout Wiki is a FANDOM Games Community. The atomic bomb itself is in the center of the town, since Megaton was built around the crater in which it sits. The bomb can be rigged to detonate with a fusion pulse charge. The Church of the Children of Atom believe the war of 2077 was actually a great holy event perpetuated by their god, Atom. Now they had to deliver big results in very short order. The EMP pulse blacked out radio communications for hundreds of miles for over an hour. This was followed by a yet-larger third fusion stage, the tertiary stage, compressed by the secondary stage. That was the Tsar Bomb's biggest effect. Multi-megaton thermonuclear weapons rely on staging. You can count on one hand the number of targets in Europe big enough to merit the Tsar Bomb's attentions. Key Point: The Tsar Bomb was not really a functional weapon. A first-stage fission device generates the heat, pressure and radiation to ignite nuclear fusion in a second-stage fuel vessel, and the more fusion fuel, the bigger the reaction. It isn't clear who proposed a 100-megaton bomb—Khrushchev or the weaponeers—but at the premier's command the most powerful nuclear weapon ever built had to be ready in only four months. However even at the Tsar Bomba's theoretical maximum yield of 100 megatons, it would still only achieve a yield to weight ratio of ~ 3.7 Megaton/tonne, thus the B-41 is the most efficient, highest yield to weight ratio, weapon ever created. It was still too big for American rockets but a 25 megaton bomb, the B-41, had the largest yield of any weapon in the US stockpile and it stayed in service until the 1970s. The Tsar Bomb fell to its glory, its oddly sleek locomotive-sized mass trailing its gigantic parachute as it dropped towards ground zero. US agencies rated the Tsar Bomba's yield at 57 million tons of TNT equivalent—far and away a world's record that still stands. As the aircraft approached the Mityushikha Bay test range, Major Andrei Durnovtsev and his crew checked their instruments and donned heavy goggles. Curiously enough, at about the same time American nuclear weaponeers had, according to Alex Wallerstein, arrived at breakthrough high-yield bomb designs. It was the highest-yield nuclear weapon ever fielded by the United States, with a maximum yield of 25 megatons (Mt), and weight of 4,850 kg (10,690 lb). Temperatures would rise to 20 million degrees Fahrenheit, and everything — buildings, trees, cars, and people - would he vaporized. It remains the highest yield-to-weight ratio of any weapon created. At 2000 m a 1 megaton bomb will produce a zone of effectively total devastation 6 km in diameter. The Y1 version, the third ("tertiary") stage was enclosed in a uranium tamper.[1]. The B-41 was the only three-stage thermonuclear weapon fielded by the U.S.[1]. Break, the bomb explodes and the Lone Wanderer wakes up outside of the Sacred Bog. The B-41 was progressively phased out of service beginning in 1963, superseded by the B53 nuclear bomb. Its blast yield was 25 to 50% that of the AN602 Tsar Bomba, which delivered a blast of 50 or 100 megatons of TNT, depending on its own configuration as a "clean" (lead encased) or dirty (uranium encased) bomb. Assembly and component testing took place inside a workshop constructed over a railroad flatcar. The US claimed in 1963 that it could produce a 35 Mt fusion bomb, and put it on a Titan II (3,700 kg [8,200 lb] payload), almost doubling the yield-to-weight ratio of the B-41.

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