The Allison T40, company designation Allison Model 500, was an early American turboprop engine composed of two Allison T38 power sections driving a contra-rotating propeller via a common gearbox.
Famous quotes containing the word allison:
“... we have the satisfaction of knowing that because all of us believed, we inspired, motivated, and liberated some of the most beautiful people on earthyoung, gifted, and black.”
—Mary Allison Burch (b. 1906)