Fast Progress on Mars' Sister Ships: Progress on cargo successors of the bomber-designed Mars, of which three of 20 for Navy are in jigs at Glenn L. Martin plant, has been so rapid that the keel oft the first was down before keel-laying ceremonies could be arranged. Picture shows the prototype after removal of the paint coat she had worn in NATS, saving 628 pounds of paint weight, 580 pounds of fuel on each California-Hawaii trip, and boosting cruising speed 4.3 mph. even with 1,200 pound additional payload thereby made possible.
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images and info provided by the Aviation Week ARCHIVE from the Zetu Harrys Collection
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