Junkers EF 61
The Junkers EF 61 was a German prototype twin-engined high-altitude bomber aircraft of the 1930s. Only two examples were built, but it provided valuable information on pressure cabins which aided the design of later pressurised aircraft.
The pressurised cabin of the Junkers EF 61 was based on that of the Junkers Ju 49. The EF 61 was one of the few German high-altitude bomber and reconnaissance projects before World War II. The project started in September 1935 and the maiden flight took place on March 4, 1937, but on September 19th of that year the EF 61 V1 was destroyed in a crash. The second prototype EF 61 V2 was ready in late 1937 but also crashed in December 1937, even before high-altitude testing had started. After that the project was abandoned. The project eventually led to the high-altitude reconnaissance aircraft of the Junkers Ju 86 type in World War II.
Type: High-Altitude research aircraft.
Origin: Junkers Flugzeug und Motorenwerke AG
Models: V1 and V2
First Flight: 1936
Powerplant:
Model: Daimler-Benz DB 600A
Type: Inverted V12 liquid-cooled
Number: Two Horsepower: 950 hp
Dimensions:
Wing span: 88 ft. 7 in. (27.00m)
Length: 47 ft. 0.75 in. (14.34m)
Height: Unknown
Wing Surface Area: N/A Weights: N/A
Origin: Junkers Flugzeug und Motorenwerke AG
Models: V1 and V2
First Flight: 1936
Powerplant:
Model: Daimler-Benz DB 600A
Type: Inverted V12 liquid-cooled
Number: Two Horsepower: 950 hp
Dimensions:
Wing span: 88 ft. 7 in. (27.00m)
Length: 47 ft. 0.75 in. (14.34m)
Height: Unknown
Wing Surface Area: N/A Weights: N/A
Performance:
Maximum Speed: About 217 mph (350 kph)
Initial Climb: N/A
Service Ceiling:
Designed to exceed 49,200 ft. (15,000m)
Range: N/A
Armament:
Provision for single MG 15.
Payload:
Four 551 lb. (250 kg) bombs internally.
Maximum Speed: About 217 mph (350 kph)
Initial Climb: N/A
Service Ceiling:
Designed to exceed 49,200 ft. (15,000m)
Range: N/A
Armament:
Provision for single MG 15.
Payload:
Four 551 lb. (250 kg) bombs internally.
, 1977, Salamander Books Ltd., London
