Junkers T 21
Junkers T 21 | |
---|---|
Type: | Experimental airplane |
Design country: | |
Manufacturer: | |
First flight: |
June 12, 1923 |
Number of pieces: |
2 |
The Junkers T 21 aircraft was the successor to the Junkers T 19 aircraft .
Development
It is a reconnaissance aircraft designed by Ernst Zindel as a high- wing aircraft, which was built as a model aircraft for the production of the Junkers Ju 21 in Fili near Moscow ( USSR ). The first flight took place on June 12, 1923 in Dessau .
Compared to the T 19, the main changes were made to the fuselage (reinforced), a larger wingspan was provided and the additional drop tanks used on the Ju 21 were designed.
The T 21 was equipped with a BMW IIIa engine with 136 kW. Although made in Germany , the T 21, of which only two copies with the serial numbers 354 and 355 were built, did not appear in the German aircraft role , but was brought to the USSR immediately after testing .
Technical specifications
Parameter | Data |
---|---|
span | 10.77 m |
length | 6.70 m |
height | 2.50 m |
Wing area | 21.75 m² |
Empty mass | 913 kg |
Takeoff mass | 990 kg |
Power load | 7.50 kg / m² |
drive | a BMW IIIa |
power | 136 kW (185 hp) |
Top speed | 220 km / h |
Rise time | 4.5 m at 1000 m altitude 9.7 min at 2000 m altitude 32 min at 5000 m altitude |
Summit height | 5600 m |
See also
literature
- Günter Schmitt: Junkers and his planes . 2nd, unchanged edition. Transpress, Berlin 1986, ISBN 3-344-00192-2 , p. 94 and 180/181 .
Individual evidence
- ↑ Junkers Ju 21 (T 21) . In: Fliegerrevue . No. 3/1992 , p. 117 .