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USAF B-50 BOMBER LOAD ADJUSTER CALCULATOR B-50A RB-50D ORIGINAL KOREA NEW For Sale
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USAF B-50 BOMBER LOAD ADJUSTER CALCULATOR B-50A RB-50D ORIGINAL KOREA NEW:
$749.00
THIS IS A BRAND NEW ORIGINAL USAF B-50 BOMBER LOAD ADJUSTER OR LOAD CALCULATOR OR COMPUTER BALANCE AIRCRAFT. . IT IS IN PERFECT CONDITION IN ORIGINAL CASE AND BOX WITH INSTRUCTIONS AND METAL CLIP FOR ATTACHING TO PLANE OR DESK. THE PLASTIC SLIDE IS CLEAR AND SLIDES FREELY AS DOES THE CENTER SLIDE PIECE. MADE BY COX & STEVENS AIRCRAFT CORP, DATE ON BOX IS JUL 17 1954. LEATHER CASE IS ALSO EXCELLENT WITH NO DRY ROT OR CRACKING. THIS LOOKS AS GOOD AS THE DAY IT WAS MADE. The four-engine, propeller-powered Boeing B-50 bomber was among the last piston-powered bombers built during an era that was to be dominated by jets, particularly theB-47and theB-52. In 1949, the B-50A, theLucky Lady IImade the first nonstop flight around the world in 94 hours, refueled in flight four times by KB-29Ms. The B-50 evolved from theB-29D, but because it included so many improvements, it was redesignated the B-50A, with 59 percent more power than the B-29. Other improvements were more aerodynamic nacelles, larger flaps, fast-retracting ball-screw landing gear, hydraulic rudder boost, hydraulic nosewheel steering and heated-wing deicing. It also had a higher vertical tail that folded when the bomber rolled into standard-height hangars. The B-50\'s wing, made from the new 75ST aluminum alloy, was 16 percent stronger and 600 pounds lighter than the otherwise identical B-29 wing. Sixty B-50As were ordered by the U.S. Army Air Forces before the end of World War II, and delivery began in 1947. In all 79 B-50As were built. The next version, the B-50B, was heavier, with a gross weight of 170,000 pounds. Fitted with cameras and wing tanks, it was designated of RB-50B and used for strategic reconnaissance. The B-50D was distinguished by a one-piece transparent-plastic nose molding and an optically flat bombardier\'s window in the lower portion. Some B-50s were later converted to hose-type KB-50 aerial tankers, their speed enhanced by the addition of two 5,200-pound-thrust jet engines, so at 400 mph, they could refuel jet aircraft. One KB-50D became a drone to test Bell XGAM missiles, and 36 became long-range reconnaissance aircraft (WB-50D). Boeing built 371 B-50s between 1947 and 1953. Some served until 1965 and were in action during the Vietnam conflict as refueling tankers.
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