Douglas Dolphin - Specifications (RD-3 Dolphin)

Specifications (RD-3 Dolphin)

Data from McDonnell Douglas Aircraft since 1920, Vol. 1

General characteristics

• Crew: Two, pilot and co-pilot
• Capacity: Six passengers
• Length: 45 ft 3 in (13.79 m)
• Wingspan: 60 ft (18 m)
• Height: 15 ft 2 in (4.62 m)
• Wing area: 6,370 sq ft (592 m2)
• Empty weight: 6,764 lb (3,068 kg)
• Gross weight: 9,734 lb (4,415 kg)
• Fuel capacity: 240 US gal (908 l)
• Powerplant: 2 × Pratt & Whitney R-1340-4 Wasp 9-cyl. air-cooled radial piston engines, 450 hp (340 kW) each
  

or 2x 450 hp (336 kW) Pratt & Whitney R-1340-96 Wasp engines

Performance

• Maximum speed: 149 mph (240 km/h; 129 kn) at sea level
• Cruise speed: 105 mph (91 kn; 169 km/h)
• Range: 692 mi (601 nmi; 1,114 km)
• Service ceiling: 15,100 ft (4,602 m)
• Rate of climb: 806.5 ft/min (4.097 m/s)
• Time to altitude: 5,000 ft (1,524 m) in 6 minutes, 12 seconds
• Wing loading: 16.4 lb/sq ft (80 kg/m²)
• Power/mass: 0.093 hp/lb (0.204 kW/kg)