International Sportsman

F-17 Sportsman

Role  | Three-seat biplane
Manufacturer  | International Aircraft
First flight  | 1920s
Number built | 20+

The International F-17 Sportsman was a 1920s United States three-seat open-cockpit biplane designed and manufactured by the International Aircraft Corporation in Long Beach, California and Cincinnati, Ohio.[1] 107 aircraft were built, 77 of them at Cincinnati.

In 1928, a Sportsman won the "On to Dallas" race.[2]

## Variants

Data from:[3]

F-17 Sportsman
powered by a 90 hp (67 kW) Curtiss OX-5 water-cooled V-8 or 100–120 hp (75–89 kW) Dayton Bear air-cooled 4-cylinder in-line engine.[4]

F-17H Sportsman
powered by, 180 hp (130 kW) Wright-Hisso E, Siemens-Halske, Dayton Bear or Curtiss K-6 engines.

F-17H Mailman
A single seat air mail carrier / cargo version of the 17H.

F-17W Sportsman
powered by a 200 hp (150 kW) Wright J-5

## Operators

United States

* Airads[5]
* Anderson Airlines[6]
* Cherry-Red Airlines[7]
* Crescent Air Services[8]
* Galt Union High School[9]

## Specifications (F-17)

International F-17 3-view drawing from Aero Digest January 1928

Data from ,[3] Jane's all the World's Aircraft 1928[10]

General characteristics

* Crew: 1
* Capacity: 2, 660 lb (300 kg) payload
* Length: 25 ft 0 in (7.62 m)
* Wingspan: 35 ft 0 in (10.67 m)
* Height: 9 ft 6 in (2.90 m)
* Wing area: 325 sq ft (30.2 m2)
* Empty weight: 1,300 lb (590 kg) OX-5

1,400 lb (640 kg) Hisso E

1,350 lb (610 kg) Whirlwind

* Gross weight: 2,121 lb (962 kg) OX-5

2,539 lb (1,152 kg) Hisso E

2,589 lb (1,174 kg) Whirlwind

* Powerplant: 1 × Curtiss OX-5 V-8 water-cooled piston engine, 90 hp (67 kW)

150 hp (110 kW) Hisso E V-8

200 hp (150 kW) Wright J-5 Whirlwind 9-cyl radial

* Propellers: 2-bladed wooden fixed-pitch propeller

Performance

* Maximum speed: 98 mph (158 km/h, 85 kn) OX-5 engine

120 mph (100 kn; 190 km/h) Hisso E

150 mph (130 kn; 240 km/h) Whirlwind

* Cruise speed: 82 mph (132 km/h, 71 kn) OX-5 engine

105 mph (91 kn; 169 km/h) Hisso E

120 mph (100 kn; 190 km/h) Whirlwind

* Landing speed: 35 mph (30 kn; 56 km/h)
* Range: 325 mi (523 km, 282 nmi)
* Service ceiling: 10,500 ft (3,200 m) OX-5 engine

1,200 ft (370 m) Hisso E

16,000 ft (4,900 m) Whirlwind

* Rate of climb: 600 ft/min (3.0 m/s) OX-5 engine

800 ft/min (4.1 m/s) Hisso E

1,000 ft/min (5.1 m/s) Whirlwind

* Wing loading: 6.52 lb/sq ft (31.8 kg/m2) OX-5 engine

7.8 lb/sq ft (38 kg/m2) Hisso E

7.86 lb/sq ft (38.4 kg/m2) Whirlwind

* Power/mass: 0.0424 hp/lb (0.1 kW/kg) OX-5

0.0592 hp/lb (0.1 kW/kg) Hisso E

0.0782 hp/lb (0.1 kW/kg) Whirlwind

## References

1. ↑ "International F-17". Aero Digest: 56. January 1928. http://archive.org/details/aerodigest1219unse/page/56. Retrieved 23 December 2020.
2. ↑ "Skylines". Cincinnati Post: p. 34. 27 April 1928.
3. ↑ 3.0 3.1 Eckland, K. O. (13 November 2008). "American Airplanes: I". http://aerofiles.com/_i.html.
4. ↑ "Lighter Air Motor Approved in Test by Aircraft Firm". Cincinnati Enquirer: p. 5. 5 August 1928. http://www.newspapers.com/newspage/100493213.
5. ↑ "Skylines". Cincinnati Post: p. 17. 31 May 1928.
6. ↑ "Skylines". Cincinnati Post: p. 27. 14 September 1928.
7. ↑ Entz, Marion (11 January 1929). "Skylines". Cincinnati Post: p. 9.
8. ↑ "Skylines". Cincinnati Post: p. 9. 14 July 1928.
9. ↑ "Skylines". Cincinnati Post: p. 14. 16 May 1928.
10. ↑ Grey, C.G., ed (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. p. 227c.

## Further reading

* The Illustrated Encyclopaedia of Aircraft. London: Orbis Publications. p. 2213.

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