• Source: American Eagle A-129

The American Eagle A-129 was an American biplane first flown in 1929.




Design and development


The preceding American Eagle A-101 of 1926 had achieved some success, but its fierce spin characteristics had resulted in several crashes during training flights. Giuseppe Bellanca redesigned the biplane with a longer fuselage and narrower cowling to accommodate the five-cylinder Kinner K-5 100 h.p. radial engine, which had its cylinder heads exposed. To mark the year of its first appearance, the designation A-129 was applied.




Operational history


Initially designed to replace the Porterfield Flying Schools A-101s, the new biplane proved to have good flying characteristics and more than 400 were built. The aircraft were also flown by "barnstormers" and sports pilots.
Several A-129s remain airworthy and examples are preserved at the Rhinebeck Aerodrome Museum at Old Rhinebeck in New York state and in the Kansas Aviation Museum Wichita, Kansas.




Variants


A range of engines was fitted to the A-129 without changing the type designation. They included the 90 hp (67 kW) Curtiss OX-5 straight engine and others up to the 200 h.p. Wright J-4.
The American Eagle A-229 was a two seat trainer version with a Curtiss OX-5 engine.




Specifications (100 h.p. Kinner K-5)



Data from Aero Digest June 1929General characteristics
Crew: one
Capacity: two passengers
Length: 25 ft 1 in (7.65 m)
Wingspan: 30 ft 0 in (9.14 m)
Height: 8 ft 4 in (2.54 m)
Wing area: 160 sq ft (15 m2) upper, lower 140 sq ft (13 m2) lower
Empty weight: 1,220 lb (553 kg)
Gross weight: 2,041 lb (926 kg)
Fuel capacity: 42 US gal (35 imp gal; 160 L)
Powerplant: 1 × Kinner K-5 five cylinder radial, 100 hp (75 kW)
Propellers: 2-bladed wooden, fixed pitch
Performance

Maximum speed: 105 mph (169 km/h, 91 kn)
Cruise speed: 95 mph (153 km/h, 83 kn) /bk>
Take-off run: 100–150 ft (30–46 m)
Landing speed: 30 mph (48 km/h; 26 kn)
Stall speed: 35 mph (56 km/h, 30 kn)
Range: 500 mi (800 km, 430 nmi)
Service ceiling: 14,000 ft (4,300 m)
Rate of climb: 900 ft/min (4.6 m/s) initial




References


Notes

Bibliography




External links



Aerofiles American Eagle page

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