From: "David G. Davidson" <firstname.lastname@example.org> Organization: http://members.aol.com/tristar500/l1011 Date: 31 Jul 96 12:29:43 References: 1 2 3 4
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>Arn't the center engines on DC-10/MD11 and LT-1011 aircraft different >from the under wing engines? Engines can be different in configuration based on what position they're installed on the airplane. For example on the L-1011, the number two engine has two hydraulic pumps, whereas the number 1 and 3 engines only have one hydraulic pump. Same applies to the 727 where nbr 3 engine doesn't have a hydraulic pump at all. So basically, the engines are the same, but are differently configured based on where they get hung on the airplane.