Piasecki 16H Pathfinder

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The Piasecki 16H was a series of compound helicopters produced in the 1960s. The first version of the Pathfinder, the -1 version, first flew in 1962. The similar but larger Pathfinder II, the 16H-1A, was completed in 1965.

Variants

Model 16H-1 Pathfinder: one PWC PT6B-2 405 shp turboshaft engine
Model 16H-1A Pathfinder II: larger version with one 1,250 shp (930 kW) T58-GE-8
Model 16H-1C Pathfinder III: proposed conversion of the 16H-1A with one 1,500 shp (1,100 kW) T58-GE-5 ^[2]
Model 16H-3J: nine-seat development, not built.

Operators

United States

United States Army - evaluation only

Specifications (16H-1A)

Piasecki's 16H-1A Pathfinder II

Data from U.S. Army Aircraft Since 1947^[3]

General characteristics

Crew: two pilots
Capacity: up to six passengers
Length: 37 ft 3 in (11.4 m)
Wingspan: 32 ft 10 in (10.0 m)
Main rotor diameter: 44 ft 0 in (13.4 m)
Height: 11 ft 4 in (3,45 m)
Empty weight: 4,800 lb (2,165 kg)
Gross weight: 10,800 lb (4,870 kg)
Powerplant: 1 × General Electric T58-GE-8 turboshaft, 1,250 hp (930 kW) each

Performance

Maximum speed: 230 mph (370 km/h)
Cruise speed: 175 mph (280 km/h)
Range: 950 miles (1,530 km)
Service ceiling: 18,700 ft (5,700 m)

References

Notes

↑ Robb 2006, pp. 42-43
↑ Note: While some sources read as if this variant was completed and flown, Piasecki Aircraft's history site makes no mention of this variant at all.
↑ Harding, Stephen. U.S. Army Aircraft Since 1947. 1997. Atglen, PA: Schiffer Publishing Ltd. ISBN 96-69996.

Bibliography

Robb, Raymond L. "Hybrid helicopters: Compounding the quest for speed", Vertiflite. Summer 2006. American Helicopter Society.

External links

v t e Piasecki Helicopter/Vertol/Piasecki Aircraft

Piasecki/Vertol helicopters	PV-2 PV-3/HRP PV-14 PV-15 PV-17 H-16 H-21 H-25/HUP

Piasecki Aircraft	16H PA-39 VZ-8/PA-59 PA-97 X-49

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