1/72 scale Doak VZ-4DA (Model 16) Tilting ducts VTOL prototype

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#AA-2008   1/72 scale  Doak VZ-4DA Model 16  Archaeopteryx of tilt-ducts VTOL


Model Kit Contents (click the image for larger photo)

Model Features

21 resin parts


Vac-formed canopy & Decal


Span 166 mm


Length 167 mm


Unit price: US$35

Shipping charge: US$5.00@

Each model kit contents one set of canopy and one sheet of decal. Extra accessories of the canopy and decal can be side-order.

Extra decal


Extra canopy



Aircraft History and Specification

The Doak Model 16 was the world's first aircraft to demonstrate the tilting duct VTOL concept. In 1956, the concept led to U.S. Army interesting, and bought a prototype, desiganted VZ-4DA. The configuration was the tilting duct blower where located at each wing tip, pointing vertical for take off & landing, and rotated to the horizontal for forward flight. Engine exhaust was deflected at the fuselage rear for pitch control. To limit the development costs, it used many old parts, such as the landing gear from the Cessna 182, seats from the F-51, duct actuators from T-33 electric flap motors, and the rudder mechanism from other Doak aircraft. The first flight was performed in 1958. After a year of tests, US Army accepted the VZ-4 and passed it to NASA for further tests. In 1961, Doak ended his business and sold all the patent rights and engineering files to Douglas Aircraft. Although Douglas had ideas to improve the VZ-4, but without proposed well to the Army. VZ-4 remained in NASA until 1972. Then it was transferred to the US Army Transportation Command Museum.










Experimental tilting duct VTOL aircraft

To demonstrate tilting ducted propeller configuration




2x General Electric YT58-GE-8D shaft turbine

445 mph




Model References

The Doak VZ-4DA is suitable to group with the following collection series.

U.S. Army V/STOL experimental aircarft

Hiller VZ-1 Pawnee

Vertol VZ-2

Ryan VZ-3 Vertiplane

Doak VZ-4DA

Fairchild VZ-5

Chrysler VZ-6

Curtiss-Wright VZ-7AP Aerial Jeep

Piasecki VZ-8P Flying Jeep

Avro VZ-9 Avro Car

Lockheed VZ-10 (XV-4A) Hummingbird

Ryan VZ-11 (XV-5A) Vertifan

Hawker Siddeley VZ-12 (XV-6A) Kestrel

Post war U.S. experimental aircraft