Klemm
Technical Information

Klemm Leichtflugzeugbau GmbH (Klemm Light Aircraft Company) was founded in 1926 in Böblingen, Germany by Hanns Klemm. The company designed and built light aircraft for the civilian market. During World War II, some aircraft were used by the Luftwaffe for flight training and liaison flights.

L 25 Swallow
Designed by Hanns Klemm as a light leisure, sports and training monoplane aircraft during 1928 with a plywood fuselage. More than 600 aircraft were built between 1929–1936 powered by various engine types. Licence built versions were manufactured and sold in the United Kingdom by British Klemm Aeroplane Company as the "B. A. Swallow" and the United States by Aeromarine-Klemm Company. The forward cockpit can be covered for use as storage compartment or converted with a windscreeen for carrying a passenger. Production included more than 600 aircraft including 120 by Aeromarine-Klemm Company.

Technical Details (L 25 Swallow d II)
Crew  Two (pilot, passenger)
Engine  Siemens Sh 13 a engine driving a two bladed wooden propeller
Wingspan  42' 8" / 13m
Length  24' 7" / 7.5m
Height  6' 9" / 2.05m
Maximum Speed  99 mph / 160 kmh
Range  404 miles / 650 km
Armament  none

Kl 31
Designed by Robert Lusser as touring aircraft in 1931 with a steel tube fuselage and wooden wings built by Leichtflugzeugbau Klemm GmbH. The aircraft had an enclosed cockpit with four seats for a pilot plus three passengers. During the 1930s, some Kl 31s were used by the Luftwaffe and Royal Hungarian Air Force as training and liaison planes.

Technical Details (Kl.31)
Crew  Four (pilot, three passengers)
Engine  Bramo Sh 14a, 120 kW (160 hp) radial engine with a two bladed wooden propeller
Wingspan  44' 4" / 13.5m
Length  27' 11" / 8.5m
Height  7' 7" / 2.3m
Maximum Speed  120 mph / 190 kmh
Range  460 miles / 735 km
Armament  none