PERFORMANCE OF A LIBERTY 12 AIRPLANE ENGINE - NASA

PERFORMANCE OF A LIBERTY 12 NRPLANE ENGINE. PROGRAM OF TESTS. 1. A run was made with wide-open throttle at ground altitude at speeds from 1,200 to 2,000 revolutions per minute. At each speed the spark advance was adjusted for maximum power. The carburetor was adjusted at each speed to give the least fuel consumption possible with ................
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