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The Martin JRM Mars is a large, four-engined cargo transport flying boat designed and built by the Martin Company for the United States Navy during World War II.It was the largest Allied flying boat to enter production, although only seven were built.
During World War II, a few of Martin's most successful designs were the B-26 Marauder [7] and A-22 Maryland bombers, the PBM Mariner and JRM Mars [8] [9] flying boats, widely used for air-sea rescue, anti-submarine warfare and transport.
It was basically a 40% enlargement of the Martin JRM Mars, weighing 250,000 pounds at takeoff and featuring a longer hull and wingspan, being powered by six radial piston engines. No powerplant types were revealed. The Martin 193 lost out to the Hughes H-4 Hercules, and after the end of World War II obviated the urgency for Sky Freighters ...
To test the PBM's layout, Martin built a three-eighths scale flying model, the Martin 162A Tadpole Clipper with a crew of one and powered by a single 120 hp (89 kW) Chevrolet engine driving two airscrews via v-belts; this was flown in December 1937. [3] [4] This was followed by an initial production order for 21 PBM-1 aircraft on 28 December ...
The Mars was converted by the Navy into a transport aircraft designated the XPB2M-1R. Satisfied with the performance, 20 of the modified JRM-1 Mars were ordered. The first of the five production Mars flying boats entered service ferrying cargo to Hawaii and the Pacific Islands on 23 January 1944. [50]
Martin JM Marauder - Medium bomber; Martin JRM Mars - Transport flying boat; Martin M-130 - Impressed flying boat; Martin PBM Mariner - Flying boat; Martin PB2M Mars - Prototype patrol flying boat; Naval Aircraft Factory N3N - Trainer; Naval Aircraft Factory TDN - Assault drone; North American NJ-1 - Trainer; North American PBJ Mitchell ...
The Martin JRM Mars flying boat makes its final passenger flight, piloted by U.S. Navy Lieutenant Commander Virgil Solomon, lands the Marianas Mars at Alameda, California, United States, at the end of a flight from Honolulu, Hawaii. [40]
The Martin M-130 was a commercial flying boat designed and built in 1935 by the Glenn L. Martin Company in Baltimore, Maryland, for Pan American Airways. Three were built: the China Clipper, the Philippine Clipper and the Hawaii Clipper. All three had crashed by 1945.