keskiviikko 24. kesäkuuta 2015

Fieseler Fi.167

Fieseler Fi 167 oli saksalainen lentotukialukselle tarkoitettu torpedopommittaja/pommittaja ja tiedustelukone.

Vuonna 1936 laskettiin Natsi-Saksan laivastolle suunnitellun lentotukialus Graf Zeppelinin köli. Samana vuonna maan ilmailuministeriö lähetti valikoiduille lentokoneenvalmistajille vaatimukset monikäyttöisestä tukialuskoneesta.
Vaatimuksina olivat lyhyt lentoonlähtö- ja laskeutumismatka (nyk. STOL = Short Take Off and Landing) kokoontaitettavat kaksitasosiivet, jarrukoukku tukialukselle laskeutumiseksi sekä riittävän luja rakenne pommitussyöksyyn suurella nopeudella. Arado ja Fieseler vastasivat kummankin valmistaessa kaksi prototyyppiä.

Fieselerin prototyypit olivat lento-ominaisuuksiltaan sekä käsiteltävyydeltään hyvät. Ne pystyivät hyvin hitaaseen lentoon ja laskeutumaan erittäin pienellä nopeudella. Yleinen suorituskyky sekä kantokyky olivat hyvät.
Yhtiö sai 12. esituotantokoneen mallia Fi 167A-0 tilauksen. Erikoispiirteenä oli kiinteä mutta pudotettavissa oleva laskuteline. Tämän tarkoituksena oli estää koneen sukeltaminen tai ympärimeno pakkolaskussa veteen laskutelineen osuessa vedenpintaan. Lentotukialusohjelman peruunnuttua lisätilauksia ei tehty. 

Yhdeksän konetta toimitettin Romaniaan missä niitä käytettiin Mustanmeren rannikolla. Tyyppiä oli myös koelentolaivue 167:ssä miehitetyssä Hollannissa 1940–1942. Valmistettuja koneita ei tiedetä säilyneen.


Kone on verrattavissa brittiläiseen Fairey Albacore-koneeseen.
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The Fieseler Fi 167 was a 1930s German biplane torpedo and reconnaissance bomber designed for use from the Graf Zeppelin class aircraft carriers under construction from 1936 to 1942.
In early 1937, the Reichsluftfahrtministerium (German Ministry of Aviation) issued a specification for a carrier-based torpedo bomber to operate from Germany's first aircraft carrier, the Graf Zeppelin construction of which had started at the end of 1936. The specification was issued to two aircraft producers, Fieseler and Arado, and demanded an all-metal biplane with a maximum speed of at least 300 km/h (186 mph), a range of at least 1,000 km and capable both of torpedo and dive-bombing. By the summer of 1938 the Fiesler design proved to be superior to the Arado design, the Ar 195.
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General characteristics
Crew: 2 (pilot and gunner)
Length: 11.40 m 
Wingspan: 13.50 m 
Height: 4.80 m 
Wing area: 45.52 m² 
Empty weight: 2,806 kg 
Loaded weight: 4,509 kg
Max. takeoff weight: 4,859 kg 
Powerplant: 1 × Daimler-Benz DB 601B liquid cooled inverted V12, 809 kW (1,100 PS)
Maximum speed: 325 km/h 
Cruise speed: 250 km/h 
Range: 1,300 km 
Service ceiling: 8,200 m 
Armament: 1 × 7.92 mm MG 17 machine guns, 1 × MG-15 machine gun in rear cabin.
Bombs: 1 × 1000 kg  bomb or 1 × 765 kg  torpedo or, 1 × 500 kg, plus 4 × 50 kg.
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The aircraft exceeded by far all requirements, had excellent handling capabilities and could carry about twice the required weapons payload. Like the company's better known Fieseler Fi 156 Storch, the Fi 167 had surprising slow-speed capabilities; under the right conditions, the plane would be able to land almost vertically on a moving aircraft carrier.

For emergency landings at sea the Fi 167 could jettison its landing gear, and airtight compartments in the lower wing would help the aircraft stay afloat at least long enough for the two-man crew to evacuate.
Two prototypes (Fi 167 V1 and V2) were built, followed by twelve pre-production models (Fi 167 A-0) which had only slight modifications from the prototypes.
Since the Graf Zeppelin was not expected to be completed before the end of 1940, construction of the Fi 167 had a low priority. When construction of the Graf Zeppelin was stopped in 1940, the completion of further aircraft was stopped and the completed examples were taken into Luftwaffe service in the Erprobungsgruppe 167 evaluation/test unit.

When construction of the Graf Zeppelin was resumed in 1942 the Ju 87C took over the role as a reconnaissance bomber, and torpedo bombers were no longer seen to be needed. Nine of the existing Fi 167 were sent to a coastal naval squadron in the Netherlands and then returned to Germany in the summer of 1943. After that they were sold to Croatia,
The remaining planes were used in the Deutsche Versuchsanstalt für Luftfahrt (German Aircraft Experimental Institute) in Budweis, Czechoslovakia, for testing different landing gear configurations. The large wing area and low landing speeds made it difficult for the Fi 167 to properly carry out the tests so the two test aircraft had their lower wings removed just outboard of the landing gear.[citation needed]
The Fi 167's short-field landing and load-carrying abilities made it ideal for transporting ammunition and other supplies to besieged Croatian Army garrisons, between their arrival in September 1944 and the end of the War.

During one such mission, near Sisak on 10 October 1944, an Fi 167 of the Air Force of the Independent State of Croatia was attacked by five North American Mustang Mk IIIs of No. 213 Squadron RAF. The crew of the Fieseler had the distinction of shooting down one of the Mustangs before itself being shot down—possibly one of the last biplane "kills" of the war.

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