Built at BREL Derby Litchurch Lane Works the six types of trailer cars used large aluminium extrusions welded together to form a shell 40% lighter than a conventional steel bodied coach.
Alusuisse puts aluminium in motion – British Rail APT Passenger coach in self-supporting, welded aluminium design.
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The APT-P power cars were constructed at BREL Derby Locomotive Works as lightweight steel semi-monocoque structures with deep side skirts.
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