New rapid transit cars for New York Port Authority are being constructed with extruded aluminum center sills, side sills and bolster hats; weight saving is approximately 20,000 lb/car from old design which uses steel members.
Sturdy extruded 'backbone' for rapid transit cars
Modern Metals
Modern Metals ; 21 , n 4
1965
2 pages
Aufsatz (Zeitschrift)
Englisch
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