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Ha 137 Prototype
Type: Dive bomber and close-support
Origin: Hamburger Flugzeugbau GmbH
Models: V1 to V6
First Flight: April 1935
Service Delivery: None, prototypes only
Final Delivery: N/A
Engine:
V1: 720hp BMW 132 Hornet
V2-V6: 610hp Jumo 210

Fuel:
Capacity: N/A
Type: N/A

Dimensions:
Wing span: 11.15m (36 ft. 7 in.)
Length: 9.46m (31 ft. 0.75 in.)
Height: 2.8m (9 ft. 2.25 in.)
Wing Surface Area: N/A
   Weights:
Empty: 1,814kg (4,000 lbs.)
Maximum: 2,415kg (5,324 lbs.)

Performance:
Maximum Speed (V4): 330km/h (205 mph)
Initial climb: N/A
Service Ceiling: N/A
Range: 360 Miles (580km)

Armament:
Two MG17 7.92mm machine guns in fuselage and two more (or 20mm MG FF) in top of landing gear trousers.

Bomb load:
Four 110 lb (50kg) bombs on wing racks.

Avionics:
N/A
Comments:
Devised by Richard Vogt whilst working in Japan for Kawasaki, the Ha 137 was developed around a wing based on a single strong tubular spar which also would serve as the primary fuel tank. Though tests proved the the aircraft to be tough and manuverable and showed considerable promise, the Ha 137 was dropped in 1936 by the RLM for political reasons.
Ha 137 Prototype
Sources:
Gunston, Bill & Wood, Tony - Hitler's Luftwaffe, 1977, Salamander Books Ltd., London