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词条 SIA 7
释义

  1. Development

  2. Operational history

  3. Variants

  4. Operators

  5. Specifications (7B)

  6. See also

  7. Notes

  8. References

name = SIA 7image =S.I.A._7B.jpgcaption = S.I.A. 7B

}}{{Infobox Aircraft Type

type = Reconnaissance-bombernational origin =Italymanufacturer = Società Italiana Aviazionedesigner = Torretta and Carlo Maurilio Lericifirst flight =Summer 1917introduced =1917retired =status =primary user = Corpo Aeronautico Militaremore users = American Expeditionary Forcenumber built = 572[1]unit cost =developed from =variants with their own articles =
}}

The SIA 7B was a biplane reconnaissance-bomber built by the Società Italiana Aviazione and served with the Italian Corpo Aeronautico Militare and American Expeditionary Force in 1917.

Development

The engineers, Torretta and Carlo Maurilio Lerici of the Fiat company, designed the airplane as a "Jack of all trades", its speed, climbing power, and carrying capacity enabled it to be used as a bomber and racer.[1] It was built in the workshops of the Societa Italiano Aviazione, a sister company to the famous motor-car firm F.I.A.T. of Turin.[2] It used the standard Italian structural feature of a plywood-covered fuselage.[3]

The SIA.7B was accepted for the Italian Air Force in November 1917 and entered mass production. There were however revealed its shortcomings, like low wing structure durability and poor view.[1] Next variant SIA.7B2, developed in December 1917, had strengthened wings, slightly raised cockpits and stronger engine. Another variant, built in February 1918, was the SIA 9 with stronger 700 hp engine. There were built 501 SIA.7B, 71 SIA.7B2 and 62 SIA.9B.[4]

Operational history

The SIA.7 family aircraft were used for reconnaissance and bombing raids on Austro-Italian front. The SIA.7B2 entered service in March 1918. The SIA.9 managed to take part in World War I service as well. Because of unsatisfactory durability, from July 1918 SIA.7B and 7В2 were moved to training units.

In 1917, the Italian government sent a pair of SIA 7B-1 aircraft to the United States for evaluation under a plan to mass-produce established European designs. The 7B-1 was not put into production in the US but 19 were bought in Italy for use by A.E.F. units sent there.[3]

Variants

SIA 7B1
main reconnaissance-bomber variant
SIA 7B2
improved reconnaissance-bomber variant
SIA R2
scout-bomber built in 1918, span 12.32 m (40 ft 5 in), length 8.75 M (28 ft 8 in), height 3.3 m (120 ft 10 in), speed 180 km/h (111.8 mph)[5]
SIA 9B
two-seat reconnaissance-bomber 700 hp (522 kW) Fiat A.14 engine[6]

Operators

{{flag|Kingdom of Italy}}
  • Corpo Aeronautico Militare
{{flag|United States|1912}}
  • American Expeditionary Forces received 19 7B-1 in February 1917, used at Foggia, Italy.[7]

Specifications (7B)

{{aircraft specifications
|plane or copter?= plane
|jet or prop?= prop
|ref="United States Military Aircraft Since 1909"[3]
|crew= 2
|capacity=
|length main= 9.07 m
|length alt= 29 ft 9 in
|span main= 13.3 m
|span alt= 43 ft 8 in
|height main=3.24 m[4]
|height alt=
|area main= 42.74 m2
|area alt= 460 ft2
|airfoil=
|empty weight main=750 kg [4]
|empty weight alt=
|loaded weight main= 1,566.7 kg
|loaded weight alt= 3,454 lb [8]
|useful load main=
|useful load alt=
|max takeoff weight main=
|max takeoff weight alt=
|more general=
|engine (jet)=
|type of jet=
|number of jets=
|thrust main=
|thrust alt=
|thrust original=
|afterburning thrust main=
|afterburning thrust alt=
|engine (prop)= Fiat A.12 bis
|type of prop= 6-cylinder straight engine
|number of props= 1
|power main= 300 hp
|power alt= 223.7 kW
|power original=
|max speed main= 200 km/h
|max speed alt= 124 mph, 107.8 knots
|cruise speed main= 178.6 km/h
|cruise speed alt= 111 mph, 96.5 knots
|never exceed speed main=
|never exceed speed alt=
|stall speed main=
|stall speed alt=
|range main=
|range alt=4 m/s [4]
|ceiling main=6,750 m [4]
|ceiling alt=
|climb rate main=244
|climb rate alt=
|loading main=
|loading alt=
|thrust/weight=
|power/mass main=
|power/mass alt=
|more performance=
  • endurance: 6 hours [4]

|armament=
  • One observer's 6.5 mm Fiat-Revelli machine gun (flexible)
  • 60 kg bombs [4]

|avionics=
}}

See also

  • List of military aircraft of the United States

Notes

1. ^Taylor, 2001, Page 207
2. ^Taylor, 2001, Page 207
3. ^Swanborough & Bowers, 1964, page 559.
4. ^SIA.7(9) at Ugolok Neba {{ru icon}}
5. ^Taylor, 2001, Page 207
6. ^Taylor, 2001, Page 207
7. ^Fahey, 1946, page 12
8. ^Loaded weight 1,100 kg according to Ugolok Neba

References

{{commons category|SIA 7}}
  • SIA.7(9) at Ugolok Neba {{ru icon}}
  • "United States Military Aircraft Since 1909" by F. Gordon Swanborough & Peter M. Bowers (Putnam New York, {{ISBN|0-85177-816-X}}) 1964, 596 pp.
  • "Janes Fighting Aircraft of World War I" by Michael John Haddrick Taylor (Random House Group Ltd. 20 Vauxhall Bridge Road, London SW1V 2SA, 2001, {{ISBN|1-85170-347-0}}), 320 pp.
  • "U.S. Army Aircraft 1908–1946" by James C. Fahey (Ships and Aircraft, Fall Church VA) 1946, 64pp.

5 : Italian military reconnaissance aircraft 1910–1919|Military aircraft of World War I|Aircraft first flown in 1917|Biplanes|Single-engined tractor aircraft

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