The power of General Electric's newest and most powerful production engine, the J-73, is demonstrated here by the company's "flying laboratory" a converted B-29. At altitude, the big bomber's four propellers have been feathered and the jet engine extended from the bomb bay and turned on. Powered only by the single J-73 engine, the bomber is able to maintain 180 miles per hour. The J-73 powers the Air Force's new North American F-86H Sabre Jet. This new fighter bomber is capable of speeds over 650 miles per hour and a service ceiling of 45,000 feet.
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