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Focke-Wulf Fw 58 Weihe

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1935 military aircraft family by Focke-Wulf
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Fw 58Weihe
General information
TypeTrainer,Transport,Air Ambulance
ManufacturerFocke-Wulf
Primary userLuftwaffe
Number built1,350
History
Introduction date1937
First flight1935
Retired1940s

TheFocke-Wulf Fw 58Weihe (Harrier) was a twin-engine multi-role aircraft designed and produced by theGerman aircraft manufacturerFocke-Wulf.

It was developed in response to a request from theLuftwaffe, which sought a multi-role aircraft that could be operated as an advancedtrainer for pilots, gunners and radio operators alike. The resulting Fw 58 was a low-wingmonoplane powered by a pair ofArgus As 10CV-8piston engines mounted innacelles on the wing'sleading edges. The crew were seated under an enclosedcanopy. Aft of theflight deck, thefuselage was open to form a moveableMG 15machine gun station. Thetailwheel undercarriage was retractable. The nose could either be glazed or faired over. The first prototype performed itsmaiden flight in 1935; the Fw 58 entered regular service two years later.

The Fw 58 was procured in large numbers by theLuftwaffe and thus was widely used across Germany for thetraining of several categories of military personnel. Furthermore, the type was routinely operated in other capacities, including as aVIP transport,air ambulance, feederairliner,photo reconnaissance andweather research aircraft.[1] It was also operated as anairliner by the Germanflag carrierDeutsche Luft Hansa. Several were owned by private pilots, including theaeronautical engineerKurt Tank. Outside of Germany, the type wasbuilt under license by several other nations, includingBulgaria,Hungary andBrazil. Other nations that procured the Fw 58 included theNetherlands,Romania,Croatia andTurkey.

Design and development

[edit]

Work on the Fw 58 commenced during the early 1930s; its development was closely paralleled by theArado Ar 77, which was designed to fulfil the same specification.[2]

The Fw 58 featuredwelded steel tube construction across its fuselage along with mixed materials for its covering.[2] It had a semi-cantilever wing that was primarily metal, but made use offabric aft of thespar. This wing was mounted relatively low on the fuselage, the centre sections of which werebraced between the uppermost point of the engine mounting and the fuselage.[2] In contrast, the tailplane, which was positioned forward of thefin, was braced from beneath viastruts. The underside of both of the enginenacelles featured a recess into which the mainundercarriage retracted into during flight.[2] The Fw 58 was powered by a pair ofArgus As 10CV-8 inverted air-cooled piston engines, capable of generating up to 240 PS (240 hp; 180 kW).[2]

During 1935, the first prototype conducted itsmaiden flight.[2] It was quickly joined by the second prototype which, unlike the first, had been constructed to a military configuration; one of the more prominent visual differences between the two aircraft was the presence of defensiveMG 15machine guns in the nose and dorsal positions of the latter. The configuration of the second prototype, sometimes referred to asFw 58A, did not actually correspond to many of the quantity production aircraft as production was quickly transitioned to the improvedFw 58B, which most closely corresponded to the design of the fourth prototype.[3] This model featured the ability to carrybombs and could even be outfitted withfloats; when in the latter configuration, the aircraft was designated asFw 58BW. However, the definitive production model was theFw 58C, which had a faired-in nose and could accommodate up to six passengers.[4]

Operational history

[edit]

A major customer for the Fw 58 was the Luftwaffe, a large number of its operational units were equipped with multiple aircraft, either Fw 58Bs or Fw 58Cs, for light transport and communications purposes.[4] The type would see use as anair ambulance and several other secondary roles, includingaerial application for agricultural products. At least 30 specially configurated Fw 58s were deployed to theEastern Front to spray potential sources of disease for German ground forces.[5]

Between 1938 and 1939, eight aircraft in anairliner were supplied to the Germanflag carrierDeutsche Luft Hansa.[4] Furthermore, a few aircraft were used for various experimental purposes, including early trials ofaerial refuelling apparatus. Numerous private pilots, including theaeronautical engineerKurt Tank (who had headed the design of the Fw 58), operated the type as a personal aircraft.[4]

Variants

[edit]
Fw 58 V1
Firstprototype, first flown in 1934[6][7]
Fw 58 V2
Second prototype.
Fw 58 V3
Third prototype.
Fw 58 V4
Fourth prototype.
Fw 58 V14
Fw 58 V14, D- OPDR, was fitted withFowler flaps andboundary layer suction for high-lift experiments at AVA, Göttingen. The suction system was powered by aHirth aircraft engine in the fuselage and the air exited through two circumferential, parallel rows of slots in the rear fuselage section.[8]
Fw 58B
Fw 58B-1
Fw 58B-2
This version had a glazed nose and was armed with a 7.92 mm (0.312 in)MG 15 machine gun.
Fw 58C
Solid-nosed, the main wartime production variant, six passenger transport with 260hp Hirth HM 508D engines
Fw 58W
Twin-floatfloatplane version.
D2FW
Brazilian Navy designation for Focke-Wulf-built Fw 58B.[9]
D2AvN
Brazilian Navy designation for license-built Fw 58B.[9]

Operators

[edit]
 Austria
 Argentina
 Brazil
Bulgaria
 Croatia
 Czechoslovakia
 Finland
Nazi Germany
Hungary
 Netherlands
 Norway
 Poland
Romania
Slovakia
 Spain
 Turkey
Soviet Union

Surviving aircraft

[edit]

The only Fw 58 on display is atMuseu Aeroespacial inRio de Janeiro, Brazil. Brazil used this airplane mainly for maritime patrols and the example on display was one of the 25 Fw 58B-2 units license-built in Brazil by Fábrica de Galeão, circa 1941.

An Fw 58 C-2 is stored in theNorwegian Aviation Museum inBodø.[14]

An Fw 58 C crashed on 30 March 1943 in theLac du Bourget, France, after a low-flying training pass over the lake went wrong. Two of the four airmen on board were rescued by local fishermen. The wreckage lies at a depth of over 112 meters. Due to the dark and cold water, it is still fairly well preserved, though the canvas over the tube frame light structure is gradually deteriorating. A proposal has been made to raise the wreckage, but local divers are strongly opposed because of its status as awar grave, and the risks of damaging it.[15][16]

Specifications (Fw 58B)

[edit]
Focke-Wulf Fw.58 3-view drawing from L'Aerophile February 1936

Data fromDie Deutsche Luftrüstung 1933–1945 Vol.2 – Flugzeugtypen Erla-Heinkel[6]

General characteristics

  • Crew: Four
  • Length: 14.1 m (46 ft 3 in)
  • Wingspan: 21 m (68 ft 11 in)
  • Height: 4.2 m (13 ft 9 in)
  • Wing area: 47 m2 (510 sq ft)
  • Airfoil:NACA 2212[17]
  • Empty weight: 2,000 kg (4,409 lb)
  • Gross weight: 2,930 kg (6,460 lb)
  • Fuel capacity: 340 L (90 US gal; 75 imp gal) in two centre-section tanks, with a 34 L (9.0 US gal; 7.5 imp gal) oil tank
  • Powerplant: 2 ×Argus As 10CV-8 inverted air-cooled piston engines 240 PS (240 hp; 180 kW)
  • Propellers: 2-bladed variable-pitch propeller, 2.5 m (8 ft 2 in) diameter

Performance

  • Maximum speed: 254 km/h (158 mph, 137 kn) at sea level
  • Cruise speed: 238 km/h (148 mph, 129 kn) *Landing speed: 76 km/h (47 mph; 41 kn)
  • Range: 690 km (430 mi, 370 nmi)
  • Service ceiling: 5,400 m (17,700 ft)
  • Rate of climb: 4.67 m/s (919 ft/min)
  • Time to altitude: 1,000 m (3,300 ft) in three minutes and 48 seconds
  • Wing loading: 59.8 kg/m2 (12.2 lb/sq ft)

Armament

See also

[edit]

Related lists

References

[edit]

Citations

[edit]
  1. ^Wilson 2007, p. 60.
  2. ^abcdefSmith and Kay 1972, p. 160.
  3. ^Smith and Kay 1972, pp. 160-161.
  4. ^abcdSmith and Kay 1972, p. 161.
  5. ^Smith and Kay 1972, pp. 161-162.
  6. ^abNowarra 1993, pp. 60–63, 264–265.
  7. ^Munson 1978, p. 55.
  8. ^Luftfahrt international 18 (1976), pp. 2829ff
  9. ^ab"Brazilian Military Aircraft Designations".designation-systems.net. Retrieved2025-03-16.
  10. ^"FR010 Fw 58B South America". Archived fromthe original on 2017-08-21. Retrieved2017-08-21.
  11. ^"THE FOCKE WULF Fw 58 IN BRAZIL". Archived fromthe original on 2017-08-21. Retrieved2017-08-21.
  12. ^Focke-Wulf Fw 58 Gulub
  13. ^Oryx."Bye Bye Berlin: Türkiye's He 111 Bombers".Oryx. Retrieved2023-05-23.
  14. ^"Focke-Wulf". Norsk Luftfartsmuseum. Archived fromthe original on 25 August 2011.
  15. ^Beckett, Jack (22 March 2017)."Focke-Wulf 58 Weihe crashed in 1943, the wreck is fairly well preserved after 70 years".abandonedspaces.com.
  16. ^"Focke-Wulf Fw 58C"(PDF).X-Ray Mag. No. 73. 2016. pp. 71–75.
  17. ^Lednicer, David."The Incomplete Guide to Airfoil Usage".m-selig.ae.illinois.edu. Retrieved16 April 2019.

Bibliography

[edit]
  • Kulikov, Victor (March 2000). "Des occasions en or pour Staline, ou les avions allemands en URSS" [Golden Opportunities for Stalin, or German Aircraft in the USSR].Avions: Toute l'Aéronautique et son histoire (in French) (84):16–23.ISSN 1243-8650.
  • Kulikov, Victor (April 2000). "Des occasions en or pour Staline, ou les avions allemands en URSS".Avions: Toute l'Aéronautique et son histoire (in French) (85):44–49.ISSN 1243-8650.
  • Munson, Kenneth (1978).German Aircraft Of World War 2 in colour. Poole, Dorset, UK: Blandford Press.ISBN 0-7137-0860-3.
  • Nowarra, Heinz J. (1993).Die Deutsche Luftrüstung 1933–1945 Vol.2 – Flugzeugtypen Erla-Heinkel (in German). Koblenz, Germany: Bernard & Graefe Verlag.ISBN 3-7637-5464-4.
  • Sinnhuber, Karl (2012).Salzburg To Stalingrad. UK: Milton Keynes.ISBN 978-1-471-70222-8.
  • Smith, John Richard; Kay, Anthony L.; Creek, Eddie J. (1972).German Aircraft of the Second World War. London, UK: Putnam and Company Ltd.ISBN 978-1-55750-010-6.
  • Wilson, James (2007).Propaganda Postcards of the Luftwaffe. UK: Pen and Sword.ISBN 978-1844154913.

External links

[edit]

Media related toFocke-Wulf Fw 58 at Wikimedia Commons

Focke-Wulf aircraft
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RLM designations, 1933–1945
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Projects
1 to 100
101 to 200
201 to 300
301 to 349
Post-349 (non-sequential)
  • 1 Not assigned
  • 2 Unofficial/proposed
  • 3 Assigned, but not used before RLM was dissolved
  • 4 Assigned to captured aircraft
  • 5 Unconfirmed
  • 6 Propaganda/cover designation
  • 7 Assigned to multiple types

Note: Official RLM designations had the prefix "8-", but this was usually dropped and replaced with the manufacturer's prefix.

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