|Role||Personnel transport and liaison|
|Designer||Dr. Hanns Klemm and Carl Bucher|
|First flight||10 September 1942|
|Developed from||Messerschmitt Bf 108|
Development[edit | edit source]
In 1940 Klemm received a request from the Reich Air Ministry (RLM) chief Ernst Udet to begin work on a version of the Messerschmitt Bf 108 Taifun using wood rather than aluminium for the airframe, since the metal was then in short supply.
One of the conditions was that the design of the Bf 108 would be used for the new aircraft. This created substantial difficulties. To speed up the project both the wings and the fuselage were based on already-built Kl 107 components. Since the fuselage was too short, Bucher extended it at the tail with a welded tubular steel framework covered with sheet metal, which also housed the tail landing gear. The wings were widened at the root and moved forward in order to accommodate additional fuel tanks, which replaced the two rear seats.
Flight tests[edit | edit source]
The prototype Kl 151 V1, designated with the Stammkennzeichen radio code of TB+QK, made its first flight at Böblingen on 10 September 1942, with Klemm's chief pilot Karl Voy at the controls. The aircraft was powered by a 240 Pferdestärke (PS) (236 horsepower, 176 kW) Argus As 10P inverted V8 engine. The planned model Kl 151-B, fitted with a 355 PS (350 hp, 261 kW) Argus As 410 inverted V12 engine was not built. On 19 February 1943 the V1 prototype was transferred to the Deutsche Versuchsanstalt für Luftfahrt ("German Experimental Institute for Aviation") at Adlershof for testing, which was successfully completed on 1 March 1943. The fixed undercarriage was a concern to the Luftwaffe, as the Bf 108 had suffered on the rough landing fields of the eastern front. Therefore the requirement now demanded a robust as well as a retractable undercarriage. In place of the fixed tricycle undercarriage, now the V1 received one in a Y-configuration, with two steel half-shells welded together for the guidance of the shock absorbers on each side. Further testing continued. Klemm used the aircraft as a personal transport until July 1944, when it was destroyed in an Allied air raid. The Air Ministry transferred the incomplete V2 prototype, and responsibility for further development and production, over to the Czech company Zlin. The problems caused by the demand for a retractable landing gear were finally solved, but the aircraft was never completed, nor put into full production.
After the war a revival of the project was considered, however Klemm instead decided on the Kl 107A.
Specifications (Kl 151 V1)[edit | edit source]
Data from
- Crew: 2
- Wingspan: 12.4 m (40 ft 8 in)
- Wing area: 21.72 m2 (233.8 sq ft)
- Gross weight: 1,500 kg (3,307 lb)
- Powerplant: 1 × Argus As 10P V-8 air-cooled, 90° inverted piston engine, 176.6 kW (236.8 hp)240 PS
Notes and references[edit | edit source]
See also[edit | edit source]
|Wikimedia Commons has media related to Klemm.|
- Messerschmitt Bf 108
- List of World War II military aircraft of Germany
- List of military aircraft of Germany
- List of World War II Luftwaffe aircraft prototype projects
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