Boeing Model 6D

The Boeing Model 6D, a.k.a. Boeing Model 6E, Boeing B-1D and Boeing B-1E, was an American pusher biplane flying-boat built by Boeing between 1928 and 1929.

Model 6D
Boeing Model B1D or 6D LFQ 2
Role passenger flying-boat
National origin United States
Manufacturer Boeing
First flight April 1928[1]
Number built 10 of all models
Variants Boeing Model 204

Development and design

Boeing Model B1D or 6D LRQ
Boeing Model B-1D or Model 6D

The Model 6D continued the designation series of the 1919 Boeing Model 6 but the only similarity was that they are both biplane pusher flying-boats. The 6D was designed in 1928 and 2 aircraft were built between May 1928 and April 1929. The 6Ds rectangular hull was constructed of wood with wood longerons, covered in spruce veneer. Wings were taken from the Model 40 and shortened, with the pusher engine and wood propeller mounted on the lower side of the upper wing.[1]

Boeing model B1D 6D drawing
Boeing model B1D/6D drawing

A slightly heavier, more robustly built version, powered by a 410 hp (310 kW) Pratt & Whitney R-1340 Wasp engine, was produced as the B-1E / Model 204 / Model 204A.[1]

Variants

B-1D
2:Two aircraft powered by 220 hp (160 kW) Wright J-5 Whirlwind 9-cyl radial engines[1]
B-1E
Almost identical to the B-1D with strengthened structure, the B-1E was powered by a 410 hp (310 kW) Pratt & Whitney R-1340 Wasp. Five aircraft were built, of a batch of ten, the remaining aircraft were re-designated Model 204.[1]
Model 204
Five B-1E airframes re-designated before completion. Only two were completed by Boeing, one Model 204 and one Model 204A, with a third completed by a private party using the c/n and registration of the original airframe.[1]
Model 204A
The second Model 204 airframe completed as a dual-control trainer for William E. Boeing.[1]

Specifications (B-1D)

Data from Boeing aircraft since 1916,[1] Jane's all the World's Aircraft 1928[2]

General characteristics

  • Crew: 1
  • Capacity: 3 pax
  • Length: 30 ft 9 in (9.37 m)
  • Wingspan: 39 ft 8.25 in (12.0968 m)
  • Height: 12 ft (3.7 m)
  • Wing area: 466 sq ft (43.3 m2)
  • Airfoil: Boeing 103
  • Empty weight: 2,442 lb (1,108 kg)
  • Gross weight: 3,442 lb (1,561 kg)
  • Powerplant: 1 × Wright J-5 Whirlwind 9-cylinder air-cooled radial piston engine, 220 hp (160 kW)
  • Propellers: 2-bladed wooden fixed pitch pusher propeller

Performance

  • Maximum speed: 95 mph (153 km/h, 83 kn)
  • Cruise speed: 80 mph (130 km/h, 70 kn)
  • Stall speed: 52 mph (84 km/h, 45 kn)
  • Range: 175 mi (282 km, 152 nmi)
  • Service ceiling: 12,000 ft (3,700 m)
  • Time to altitude: 3,400 ft (1,000 m) in 10 minutes
  • Wing loading: 7.4 lb/sq ft (36 kg/m2)
  • Power/mass: 0.09 hp/lb (0.15 kW/kg)

References

  1. ^ a b c d e f g h Bowers, Peter M. (1989). Boeing aircraft since 1916. Annapolis, Md.: Naval Institute Press. pp. 153–156. ISBN 9780870210372.
  2. ^ Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. p. 202c.
6D

6D, 6d, or 6-D may refer to:

Canon EOS 6D, a digital SLR camera

Jamaica 6d abolition of slavery postage stamp, a 1921 stamp issue

Six-dimensional space, any space that has six dimensions

6D skull, a cyberknife tracking method

6D, the production code for the 1983 Doctor Who serial Snakedance

List of aircraft (Bf–Bo)

This is a list of aircraft in alphabetical order beginning with 'Bf' through 'Bo'.

List of seaplanes and amphibious aircraft

The following is a list of seaplanes and amphibious aircraft, which includes floatplanes and flying boats, by country of origin.

Seaplanes are any aircraft that has the capability of landing on water while amphibious aircraft are equipped with wheels to alight on land, as well as being able to land on the water. Flying boats rely on the fuselage or hull for buoyancy, while floatplanes rely on external pontoons or floats. Some experimental aircraft used specially designed skis to skim across the water but did not always have a corresponding ability to float.

This list does not include ekranoplans, 'Wing-In-Ground-effect' (WIG), water-skimmers, wingships or similar vehicles reliant on ground effect.

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