Heinkel He 50

Heinkel He 50

infobox Aircraft
name =He 50
type =Dive-bomber
manufacturer =Heinkel




caption =A Heinkel He 50 of a night ground attack unit on the Eastern Front.
designer =
first flight =1931
introduced =1935
retired = 1944
primary user =Luftwaffe
produced =
number built = 78
unit cost =
variants with their own articles =
The Heinkel He 50 was a German World War II era dive-bomber originally designed for the Imperial Japanese Navy. Serving in Luftwaffe pre-war dive-bombing units, the He 50 served almost until the end of World War II as a night harassment bomber.

Design and development

In 1931, the Japanese Navy placed an order with the Heinkel aircraft company for a two-seat dive-bomber capable of carrying 250 kg (551 lb) of bombs, stressed for catapult launches, and capable of using either wheeled or float undercarriages.Eden and Moeng, 2002, p. 830.]

A prototype, the Heinkel He 50aW, was completed in the summer of 1931. It was a biplane of wood, steel tube construction and fabric covering. The aircraft had twin-floats for an undercarriage and was powered by a Junkers L5 engine. The engine was found to be underpowered. A second prototype, the He 50aL, was built, which was powered by a Siemens Jupiter VI engine and had a wheeled undercarriage. A second He 50aL was built and re-designated He 50b. Based on the He 50b, a third prototype designated Heinkel He 66 was completed for the Japanese Navy, and used as the basis of the Aichi D1AEden and Moeng, 2002, p. 831.] .

The He 50 was an equal span biplane based on a rectangular-section fuselage with a primary structure of welded steel tube construction, faired out to an oval shape by wooden formers and stringers and covered with fabric except in the extreme nose, which was skinned in light alloy. The wings were fabric covered wooden construction, marginally staggered and very slightly swept, and carried ailerons on all four panels.

Operational history

The He 50aL was re-designated He 50 V1 and demonstrated to the German Defence Ministry in 1932. This resulted in an order for three development aircraft, and a production batch of 60 He 50A-1 aircraft, which were built during the summer of 1933. China placed an order for 12 He 50As, but modified with an engine cowling added and designated He 66b. These aircraft were commandeered by the Luftwaffe and re-designated He 50B. In 1935 the He 50 was delivered to the Luftwaffe’s first dive-bomber unit, and later partially equipped nine other dive-bombing units. The He 50, however, was steadily replaced by the Henschel Hs 123 and Junkers Ju 87, after which He 50s were transferred to dive-bomber training units.

In the spring of 1943, surviving He 50s were rounded up from training schools and delivered to night ground attack units operating on the Eastern Front. The He 50 was used to conduct night harassment sorties on the Eastern Front until September 1944, when the units were disbanded.


=Variants=

;He 50aW:First prototype as a floatplane, powered by a 291-kW (390-hp) Junkers L5 inline piston engine, badly damaged in a forced landing.;He 50aL:Second prototype as a landplane, powered by a 365-kW (490-hp) Siemens Jupiter VI (Gnome-Rhone/Bristol) radial piston engine.;He 50b:Third prototype designated HE 66 for export to Japan, three more completed for German evaluation, powered by a 373-kW (600-hp) Bramo 322B engine.;He 50A:Dive-bomber, reconnaissance version for the Luftwaffe. Sixty aircraft built.;He 50L:Redesignated of the HE 50A, production model, Heinkel produced 25, Bayerische Flugzeugwerke produced 35, powered by a 373-kW (600-hp) Bramo 322B engine.;He 66aCh:12 exported to China, powered by a 358 kW (480 hp) Siemens Jupiter VIIF (Gnome-Rhone/Bristol) radial piston engine.;He 66bCh:Powered by a Bramo 322B engine, 12 built for export to China, but impressed into Luftwaffe service as HE 50B, later delivered to Hong Kong and remained in storage from January 1936 until July 1937, transferred to Peking for limited service in the 2nd Sino-Japanese War.;Aichi D1A1 :Some He 66 reconnaissance aircraft were built by Aichi in Japan.;Aichi D1A2:Improved version of the Aichi D1A1.

Operators

;JPN: one prototype HE 50b;China as ROC: 12 HE 66aCh, 12 HE 66bCh ;flag|Germany|Nazi: 60 HE 50A in Luftwaffe service

Specifications (He 50A)

aircraft specification
plane or copter?=plane
jet or prop?=prop
ref= "German Aircraft of World War II" [Kay and Smith, 2002, p. 120.] and "The Complete Encyclopedia of World Aircraft"
crew= 2 (pilot, observer/gunner)
length main= 9.6 m
length alt= 31 ft 6 in
span main= 11 m
span alt= 37 ft 8¼ in
height main= 4.5 m
height alt= 14 ft. 9¾ in.
area main= 34.8 sq m
area alt= 374.59 sq ft
empty weight main= 1,600 kg
empty weight alt= 3,528 lb
loaded weight main=2,620 kg
loaded weight alt=5,778 lb
max takeoff weight main=
max takeoff weight alt=
engine (prop)=Bramo 322B (SAM 22B)
type of prop= radial engine
number of props=1
power main= 485 kW
power alt= 650 hp
max speed main= 127 knots
max speed alt= 146 mph, 235 km/h
cruise speed main= 102.5 knots
cruise speed alt= 118 mph, 190 km/h
range main= 1000 km
range alt= 621 mi
ceiling main= 6,400 m
ceiling alt= 20,998 ft
climb rate main= 250 m/min
climb rate alt= 820 ft/min
loading main=
loading alt=
power/mass main=
power/mass alt=
armament=
* 1× 7.92 mm (0.31 in) MG 15 machine gun for rear seat.
* Up to 250 kg (551 lb) bomb load.

ee also

aircontent

related=
* Aichi D1A
similar aircraft=
* SBC Helldiver
* Po-2

lists =
*List of military aircraft of Germany

see also=

References

Notes

Bibliography

* Donald, D., ed. "Warplanes of the Luftwaffe: Combat Aircraft of Hitler’s Luftwaffe, 1933–1945". London: Aerospace Publishing, 2001. ISBN 1-8805888-10-2.
* Eden, Paul and Moeng, Soph, eds. "The Complete Encyclopedia of World Aircraft". London: Amber Books Ltd., 2002. ISBN 0-7607-3432-1.
* Kay, A.L. and Smith, J.R. "German Aircraft of World War II". Annapolis, Maryland: Naval Institute Press, 2002. ISBN 1-55750-010-X.

External links

* [http://avia.russian.ee/air/germany/he-50.php Heinkel He 50]
* [http://www.warbirdsresourcegroup.org/LRG/he50.html WRG - Luftwaffe Resource Group - Heinkel He 50]


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