https://en.wikipedia.org/wiki/Martin_T3M
General characteristics
- Crew: three
- Length: 41 ft 4 in (12.60 m)
- Wingspan: 56 ft 7 in (17.25 m)
- Height: 15 ft 1 in (4.60 m)
- Wing area: 883 ft² (82.1 m²)
- Empty weight: 5,814 lb (2,643 kg)
- Loaded weight: 9,503 lb (4,320 kg)
- Powerplant: 1 × Packard 3A-2500 liquid-cooled V-12 engine, 770 hp (574 kW)
Performance
- Maximum speed: 109 mph (95 kn, 175 km/h)
- Range: 634 mi (551 nmi, 1,020 km)
- Service ceiling: 7,900 ft (2,400 m)
- Wing loading: 10.8 lb/ft² (52.6 kg/m²)
- Power/mass: 0.081 hp/lb (0.13 kW/kg)
- Climb to 5,000 ft: 16.8 min
Armament
- 1 × flexibly mounted 0.3 in (7.62 mm) machine gun in rear cockpit
- 1 × torpedo or bombs under fuselage
