Messerschmitt M21

Messerschmitt M21
Type:	Trainer aircraft
Design country:	German Empire
Manufacturer:	BFW
First flight:	1928
Number of pieces:	2

The Messerschmitt M 21 was a school biplane that was designed by Messerschmitt Flugzeugbau and manufactured by Bayerische Flugzeugwerke in the late 1920s.

history

The two-seat M 21 was the company's first biplane and was a further development of the BFW-3a . It had folding wings and a fuel tank in the upper wing. Two prototypes were built, which only differed in the engine.

M 21a

Was built in 1928 and had the aircraft registration D-1566 . It was equipped with an 85 kW (115 PS) Siemens Halske Sh 14 engine.

M 21b

Variant with a Siemens-Halske Sh 12 and the registration number D-1568 .

Technical specifications

Parameter	Data M 21a	Data M 21b
crew	2
length	7.30 m	7.22 m
span	10 m
height	2.82 m
Wing area	20.8 m²
Preparation mass	460 kg	480 kg
Max. Takeoff mass	740 kg
Top speed	145 km / h	156 km / h
Cruising speed	130 km / h	140 km / h
Landing speed	75 km / h
Climbing time to an altitude of 1000 m	9:30 min	7 min
Take-off run	80 m	70 m
Service ceiling	3400 m	3800 m
Range	600 km
Engines	Siemens-Halske Sh 14 , 85 kW (115 PS)	Siemens-Halske Sh 12 , 82 kW (112 PS)

See also

• List of aircraft types

literature

• Bruno Lange: Type manual of German aviation. (Die deutsche Luftfahrt, Vol. 9), Bernard & Graefe Verlag, Koblenz 1986, ISBN 3-7637-5284-6 .
• Helmut Stützer: The German military aircraft 1919–1934. Mittler, Herford 1984, ISBN 3-8132-0184-8
• AERO issue 113, page 3159

Web links

Commons : Messerschmitt M 21  - Collection of images, videos and audio files