Four-engine monoplane airliner, derived from the B-17. It was the first airliner with a pressurized cabin to enter revenue service, and was developed after the collapse of Douglas's DC-4E program. Only 10 were built, starting in 1938.
https://en.wikipedia.org/wiki/Boeing_307_Stratoliner
GENERAL STATS (SA-307B)
Crew: 5
Capacity: 33
Length: 74 feet 4 inches (22.66 meters)
Wingspan: 107 feet 3 inches (32.69 meters)
Height: 20 feet 9 inches (6.32 meters)
Wing area: 1,486 square feet (138.1 meters squared)
Gross weight: 45,000 pounds (20,412 kilograms)
Fuel capacity: normal capacity of 1,275 US gallons (1,062 imperial gallons, 4,830 liters), max capacity of 1,800 US gallons (1,500 imperial gallons, 6,800 liters)
Powerplant: x4 Wright GR-1820-G105A Cyclone supercharged radial engines, 1,100 HP per engine
Max speed: 250 MPH (400 KMH, 220 knots)
Minimum control speed: 70 MPH (110 KMH, 61 knots) with flaps
Range: 1,300 miles (2,100 kilometers, 1,100 nautical miles) at 75% throttle
Service ceiling: 25,200 feet (7,700 meters)
The Boeing Model 307 Stratoliner (or Strato-Clipper in Pan American service, or C-75 in USAAF service) is an American stressed-skin four-engine low-wing tailwheel monoplane airliner derived from the B-17 Flying Fortress bomber, which entered commercial service in July 1940. It was the first airliner in revenue service with a pressurized cabin, w...
