the douglas mailplanes were a family of 1920s american single seat mail planes designed and built by the douglas aircraft company. the aircraft were used to run the main routes of the united states air mail service until the introduction of three engined aircraft in 1928.
Specifications
General Characteristics
- Created On Mac
- Wingspan 30.9ft (9.4m)
- Length 24.7ft (7.5m)
- Height 9.5ft (2.9m)
- Empty Weight 2,637lbs (1,196kg)
- Loaded Weight 5,129lbs (2,326kg)
Performance
- Horse Power/Weight Ratio 0.097
- Wing Loading 16.7lbs/ft2 (81.7kg/m2)
- Wing Area 306.4ft2 (28.5m2)
- Drag Points 3538
Parts
- Number of Parts 49
- Control Surfaces 5
- Performance Cost 221
