Curtiss Tanager

Tanager
Role	Technology demonstrator
Manufacturer	Curtiss
Designer	Robert R. Osborn and Theodore Paul Wright
First flight	12 October 1929
Number built	1

The Curtiss Model 54 Tanager was an aircraft constructed in 1929 as Curtiss' entry in the Guggenheim Safe Aircraft Competition. It was a conventional biplane design with a highly streamlined fuselage similar in outline to the Curtiss Eagle, but of considerably smaller proportions. The wings were fitted with a variety of high-lift devices, including automatic leading edge slots on the upper wing, flaps that extended along the entire span of the upper wing, and "floating" ailerons on the lower wing that, in the absence of pilot input, automatically adjusted themselves parallel to the airflow over the wing. The combination of these devices gave the Tanager a stall speed of just 31 mph (50 km/h) and allowed it to land in only 90 ft (27 m).

Curtiss Tanager

Only the Tanager and the Handley Page Gugnunc passed the qualifying round of the competition, and ultimately, the Tanager was to beat its rival by only one point to claim the $100,000 (£20,000) prize, the Gugnunc failing to achieve a minimum speed below 38 mph. Even before the competition was decided, however, Handley Page was suing Curtiss for the unlicensed use of the leading-edge slot. Curtiss claimed they were using the slots experimentally and would apply for a license for any commercial use. Curtiss counter-sued Handley Page for infringements of six of their patents in the Handley Page machine. They also cited a ruling that the British machine was not permitted to be imported into the US.

Following the competition, the Tanager was destroyed in a fire when sparks from its engine set the grass alight.

Specifications

Data from Curtiss Aircraft 1907–1947

General characteristics

• Crew: one pilot
• Capacity: two passengers
• Length: 26 ft 8 in (8.12 m)
• Wingspan: 43 ft 10 in (13.35 m)
• Height: 11 ft 4 in (3.45 m)
• Wing area: 333 ft² (30.93 m²)
• Empty weight: 1,958 lb (888 kg)
• Gross weight: 2,841 lb (1,289 kg)
• Powerplant: 1 × Curtiss Challenger, 185 hp (138 kW)

Performance

• Maximum speed: 112 mph (180 km/h)
• Cruise speed: 95 mph (153 km/h)
• Range: 535 miles (861 km)
• Service ceiling: 12,500 ft (8,810 m)
• Rate of climb: 700 ft/min (3.6 m/s)

See also

Aircraft of comparable role, configuration and era

• McDonnell Doodlebug a competitor in the contest

Bibliography

• Time 6 January 1930

External links

• First announcement of competitors Flight 1927
• Flight 16 June 1927 THE DANIEL GUGGENHEIM SAFE-AIRCRAFT COMPETITION
• "Wings For All Of Us", October 1930, Popular Mechanics detailed illustration Tanager's safety low speed and short take off and landing ability
• "Hundred-Thousand Dollar Plane - Why it Won" Popular Mechanics, March 1930 detailed text article and excellent photo of Tanager
• "AMERICAN PLANE WINS $100,000 SAFETY PRIZE", 1930 News film