P&W engine testing.
A rather unusual way of testing a PW150 engine. Shown here attached to a B720.
http://www.airliners.net/photo/Pratt-Whitney-Canada/Boeing-720-023B/1907925/L
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A rather unusual way of testing a PW150 engine. Shown here attached to a B720.
http://www.airliners.net/photo/Pratt-Whitney-Canada/Boeing-720-023B/1907925/L