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PAA-1

This Pitcairn PAA-1 autogiro was flown at Langley for the NACA investigation of an experimental cantilevered three-bladed rotor. June 1943.
Role	Sport autogyro Type of aircraft
National origin	United States
Manufacturer	Pitcairn-Cierva Autogiro Company
First flight	1931
Number built	25

The Pitcairn PAA-1 was an autogyro developed in the United States in the early 1930s.^[1] Of similar configuration to Pitcairn's earlier machines, the PAA-1 had an airplane-like fuselage with two open cockpits in tandem and a tractor-mounted engine in the nose.^[2] It was also equipped with small wings, which carried control surfaces, rather than using the rotor for flight control.^[2] It was a smaller and lighter machine than its predecessors and was designed specifically with private pilots in mind.^[1]^[2]

Variants

PAA-1 - main production version with Kinner B-5 engine^[2]
PA-20 - improved version with Kinner R-5 engine^[2]
PA-24 - version with twin tails and Kinner R-5 engine, modified from existing PAA-1s and PA-20s^[2]

Specifications

Data from "Pitcairn, A G A, Pitcairn-Cierva, Pitcairn-Larsen"

General characteristics

Crew: One pilot
Capacity: 1 passenger
Length: 18 ft 7 in (5.66 m)
Wingspan: 22 ft 9 in (6.93 m)
Powerplant: 1 × Kinner B-5 , 125 hp (93 kW)
Main rotor diameter: 37 ft 0 in (11.28 m)
Main rotor area: 10.75 sq ft (99.9 m²)

Performance

Maximum speed: 90 mph (140 km/h, 78 kn)
Range: 250 mi (400 km, 220 nmi)
Service ceiling: 10,000 ft (3,000 m)

References

Notes

^ ^a ^b Taylor 1989, p.734
^ ^a ^b ^c ^d ^e ^f The Illustrated Encyclopedia of Aircraft, p.2739

Bibliography

The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing.
"Pitcairn, A G A, Pitcairn-Cierva, Pitcairn-Larsen". Aerofiles. Retrieved 2009-01-15.
Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.

External links

Wikimedia Commons has media related to Pitcairn PAA-1.

"Will Autogiro Banish Present Plane?", March 1931, pg 28

v t e Pitcairn and Autogiro Company of America aircraft
Pitcairn	PA-1 Fleetwing PA-2 Sesquiwing PA-3 Orowing PA-4 Fleetwing II PA-5, PA-6, PA-7, PA-8 Mailwing PA-11 PA-18 PA-19 PA-20 PA-21 PA-22 PA-24 PA-33 (YG-2) PA-34 (OP-2) PA-36 PA-38 PA-39 PA-44 (XO-61
Pitcairn-Cierva Autogiro	PAA-1 PAA-2 PCA-1 PCA-2 OP-1 PCA-3
Autogiro Company of America	AC-35

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