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Inside the Cold War

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INSIDE THE COLD WAR<br />

in 1950, <strong>the</strong> KB-29s were fitted with <strong>the</strong> telescoping “stiff<br />

boom” system. The Soviets, equally impressed with <strong>the</strong> large<br />

bomber, built a thousand unauthorized replicas—<strong>the</strong> TU-4.<br />

Some of <strong>the</strong> B/RB/KB-29s remained in <strong>the</strong> SAC inventory<br />

until 1956; <strong>the</strong> TU-4 remained in <strong>the</strong> Soviet inventory well<br />

into <strong>the</strong> 1960s.<br />

B-50A Advanced Superfortress. The B-50A was an enhanced<br />

version of <strong>the</strong> B-29, with more reliable Pratt & Whitney R-4360<br />

3500-horsepower engines. The first B-50A aircraft was delivered<br />

to SAC on 20 February 1948. Over 250 of <strong>the</strong> newer bombers,<br />

equipped with an engine analyzer to diagnose engine problems<br />

and outfitted with a taller vertical stabilizer for improved<br />

maneuverability, were built. While <strong>the</strong> B-50A had a range of<br />

4,900 miles (unrefueled) and an operational altitude of 36,000<br />

feet, it had an air-refueling capability and was also configured as<br />

a long-range reconnaissance platform. The last B-50 was<br />

phased out of <strong>the</strong> active inventory on 20 October 1955.<br />

B-36 Peacemaker. The B-36 holds perhaps <strong>the</strong> most unique<br />

place in military aviation history. The largest bomber ever<br />

built, it could fly in excess of 10,000 miles, unrefueled and<br />

carrying a 10,000-pound payload. The Army Air Corps<br />

announced <strong>the</strong> design competition for <strong>the</strong> bomber on 11 April<br />

1941, eight months before Pearl Harbor and five years before<br />

<strong>the</strong> atomic bomb. In addition to its weight and range<br />

capabilities, <strong>the</strong> Air Corps wanted it to have an airspeed of<br />

300 to 400 MPH and an operating capability from 5,000-foot<br />

runways. Convair of San Diego won <strong>the</strong> contract to build two<br />

prototypes to be delivered in 30 months, or about May 1944.<br />

Even though <strong>the</strong> war shifted Convair’s priorities to production<br />

of <strong>the</strong> B-24, work continued on building a mock-up of <strong>the</strong><br />

XB-36. The partially finished mock-up was eventually shipped<br />

by rail to a new assembly plant at Fort Worth, Texas.<br />

Convair’s initial design of <strong>the</strong> huge bomber called for six Pratt<br />

& Whitney Wasp major engines, with 19-foot three-bladed<br />

pusher propellers mounted on <strong>the</strong> trailing edge of <strong>the</strong> wing.<br />

Each 28-cylinder, 4-bank, radial engine had two superchargers<br />

that could produce three thousand horsepower up to<br />

an altitude of 35,000 feet. The huge engines in <strong>the</strong> “pusher”<br />

configuration projected a distinctive and unique sound because<br />

it was virtually impossible to synchronize all six propellers at<br />

34

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