Martin PB2M Mars (Model 170)- long-range naval patrol flying boat.
Total produced: 1 BuNo. 1520
Powerplants: 4 x 2250 hp (1680 kW) Wright R-3350-8 Double Cyclone, 18-cylinder air-cooled radial engines driving threebladed, electric controllable-pitch laminated wooden propellers (XPB2M-1R refitted with metal propellers).
Armament: single 7,62mm (.30 in) machine gun each in nose, dorsal, waist, and tail turrets and up to 4540 kg (10,000 lbs) of bombs, torpedoes, or depth charges carried in two upper hull bays.
In 1943 XPB2M-1 was disarmed and converted to a transport configuration as the XPB2M-1R. Mars was assigned to the VR-8 (1943) and VR-2 (January 1944).
|max speed||356 km/h at 1370 m (221 mph at 4500 ft)|
|330 km/h at 0 m (205 mph at 0 ft)|
|cruising speed||240 km/h (149 mph)|
|service ceiling||4450 m (14,600 ft)|
|climb rate||2,23 m/s (440 ft/min)|
|max range||7958 km (4,945 miles)|
|empty weight||34279 kg (75,573 lbs)|
|loaded weight||65317 kg (144,000 lbs)|
|span||60,96 m (200 ft)|
|lenght||35,73 m (117ft 3in)|
|height||11,7 m (38 ft 5in)|
|wing area||342.16 m2 (3,683 sq. ft)|
- American Flying Boats and Amphibious Aircraft – E.R. Johnson
- Wings Of Fame – The Journal Of Classic Combat Aircraft – Volume 7
- Steve Ginter – Naval Fighters Number Twenty-Nine Martin Mars XPB2M-1R & JRM Flying Boats
- R. Johnson – United States Naval Aviation, 1919-1941: Aircraft, Airships and Ships Between the Wars