1094. A Loadability Comparison of the L-1011 and DC-10-10


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R D Maxwell: 1094. A Loadability Comparison of the L-1011 and DC-10-10. 1975.



The loadability of the -McDonnell Douglas: DC-10-10 and Lockheed L-1011TriStar are compared based on the models operated by Delta Air Lines, One operator’s experiences with the two airplanes are presented for comparative purposes to other wide-body’s trijet operators, and as feedback information to the manufacturers, design engineers.
Both are 250-seat wide-body trijets with similar dimensions and weights. The DC-l0 had a lower, Operational Empty Weight at delivery by 6,000 pounds, but weight growth over a longer period for the DC-10 has reduced this margin. The tail engine location causes some differences in the exterior dimensions, but the cabin sizes are virtua1ly the same. The locations of the forward cargo compartment and under floor galley are reversed on the two airplanes. The L-1011, having the galley behind the cargo compartment has more forward C.G. movement from forward cargo, but it’s empty C.G. starts out farther aft. .The L-1011 has a slightly wider C.G. envelope, and does not require ballasting for operation without payload. The L-1011 carries two more cargo containers than the DC-10, but has more restrictions on cargo container and compartment limits.


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