Fokker S.IV - Aeroplane - avia.wikisort.org

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The Fokker S.IV was a military trainer aircraft produced in the Netherlands in the mid-1920s. It was a conventional, single-bay biplane with staggered wings of unequal span braced with N-struts, essentially a radial-engined development of the S.III. The pilot and instructor sat in tandem, open cockpits and the undercarriage was of fixed, tailskid type with a cross-axle between the main units. The Royal Netherlands Army Aviation Group purchased 30 examples and used them right up to the German invasion of the Netherlands in 1940. On 14 May that year, a few surviving S.IVs escaped to France alongside some S.IX trainers, but never flew again.[1]

S.IV

Role	Trainer Type of aircraft
Manufacturer	Fokker
First flight	1924
Primary user	Royal Netherlands Army Aviation Group
Number built	31

The S.IV could be powered by a variety of engines in the 75–97 kW (100–130 hp) range, including 110 hp (82 kW) Siemens-Halske Sh 11, 110 hp (82 kW) Le Rhône 9J, 130 hp (97 kW) Bristol Lucifer, 130 hp (97 kW) Armstrong-Siddeley Mongoose, 110 hp (82 kW) Oberursel UR.II or the 130 hp (97 kW) Clerget 9B.[2]

Units using this aircraft/Operators (choose)

Netherlands

Royal Netherlands Air Force

Specifications

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

General characteristics

Crew: 2
Length: 8.55 m (28 ft 1 in)
Wingspan: 11.17 m (36 ft 8 in)
Height: 3.15 m (10 ft 4 in)
Wing area: 27.55 m² (296.5 sq ft)
Empty weight: 650 kg (1,433 lb)
Gross weight: 1,000 kg (2,205 lb)
Powerplant: 1 × Le Rhône 9J 9-cylinder air-cooled rotary piston engine, 82 kW (110 hp)
Propellers: 2-bladed fixed pitch propeller

Performance

Maximum speed: 160 km/h (99 mph, 86 kn)
Stall speed: 65 km/h (40 mph, 35 kn)
Service ceiling: 4,000 m (13,000 ft)
Time to altitude: 1,000 m (3,300 ft) in 6 minutes
Wing loading: 36.29 kg/m² (7.43 lb/sq ft)
Power/mass: 0.0830 kW/kg (0.0505 hp/lb)

References

Wikimedia Commons has media related to Fokker S.IV.

Taylor, Michael J.H.; Gunston, Bill, eds. (1980). Jane's encyclopedia of aviation (1st American ed.). London: Jane's. p. 560. ISBN 0710607105.
Hegener, Henri (Summer 1961). Robertson, Bruce (ed.). Fokker:The man and his aircraft. Letchworth: Harleyford Publications Limited. p. 203.
Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. p. 153c.

External links

Уголок неба

Fokker aircraft

Company designations
pre-1918

M.1 M.2 M.3 M.4 M.5 M.6 M.7 M.8 M.9 M.10 M.14 M.15 M.16 M.17 M.18 M.19 M.21 M.22
V.1 V.2 V.3 V.4 V.5 V.6 V.7 V.8 V.9 V.10 V.11 V.12 V.13 V.14 V.16 V.17 V.18 V.20 V.21 V.22 V.23 V.24 V.25 V.26 V.27 V.28 V.29 V.30 V.31 V.33 V.34 V.35 V.36 V.37 V.38 V.39 V.40 V.41 V.42 V.43 V.44 V.45

Austro-Hungarian
military designations

German military
designations

A.I A.II A.III
C.I
D.I D.II D.III D.IV D.V D.VI D.VII D.VIII
Dr.I
E.I E.II E.III E.IV E.V
F.I
K.I

Company designations
post-1918

continuing
German military
style designations:

B.I B.II B.III B.IV B.V B.VI
C.II C.III C.IV C.V C.VI C.VII C.VIII C.IX C.X C.XI C.XIV C.XV
D.IX D.X D.XI D.XII D.XIII D.XIV D.XV D.XVI D.XVII D.XVIII D.XIX D.XX D.XXI D.22 D.23 D.24
DC.I DC.II
F.I F.II F.III F.IV F.V F.VI F.VII F.VIII F.IX F.X F.XI F.XII F.XIII F.XIV F.XV F.XVI F.XVII F.XVIII F.XIX F.XX F.XXI F.XXIII F.25 F26 F27 F28 F.29 F.37
FG.I FG.II FG.III FG.IV
G.I G.II G.III
S.I S.II S.III S.IV S.V S.VI S.VII S.VIII S.IX S.X S.11 S.12 S.13 S.14 S.15 S.16
T.II T.III T.IV T.V T.VI T.VII T.VIII T.IX T.10

based on
seating:

F.XXII
F.XXIV
F.XXXVI
F.40
50
F.56
60
70
100
130

Atlantic Aircraft
(Fokker America/Atlantic-Fokker)

United States
military designations

Observation:	AO-1 CO-4 XO-27
Transports:	T-2 C-2 C-5 C-7 C-14 C-15 C-16 C-20 C-31 RA
Bombers:	XLB-2 XB-8 FT-1 FT-2
Attack:	XA-7
Fighters:	PW-5 PW-6 PW-7
Ambulance:	A-2
Trainer:	TW-4

На других языках

- [en] Fokker S.IV

[it] Fokker S.IV

Il Fokker S.IV era un aereo da addestramento sviluppato dall'azienda aeronautica olandese Fokker nella prima metà degli anni venti del XX secolo, e prodotto in serie.[2]

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