Praga E-39
The Praga E -39 (also: BH -39) was a Czechoslovakian biplane trainer aircraft of the 1930s.
History
Constructed it was by Pavel Beneš and Miroslav Hajn. The prototype was equipped with a Walter NZ- engine and therefore was designated BH- 39NZ where the initial abbreviation for the two builders standing.
In the summer of 1931, the first flight took place. On August 27, 1931, the first prototype arrived at the VTLÚ, where he was subjected to extensive testing that should prepare a series introduction. One recently published by the Ministry of Defence specification according to received the aircraft of Czechoslovak company assigned letter designations, what was renamed BH- 39 E -39. After the completion of the current up to 1933 test flights were performed with the adoption č.j.40.553 - V / 3 odd. from December 7, 1933 ordered the first 21 production aircraft. Eight of these machines came with Letov and were equipped with the Walter NZ 120, the other 13 delivered Praga from the Walter " Gemma ", where two machines with the serial numbers 19 and 20 received a Walter " Mars" with 155 hp. 1936 more orders were placed a total of 85 E -39. The last series machines left in 1939, the workshops and were intended for the so-called " Slovak state."
The names of the machines were continued from the engines used: The e- 39G was equipped with Walter " Gemma " and the e- 39M with Walter " Mars". 1937 was followed by a final series of ten aircraft E- 39AG with the engine Armstrong Siddeley Genet Major.
A total of 139 E- 39 of which 35 pieces of flying clubs were built and delivered.
Military use
- Air Force: after the occupation of Czechoslovakia
- Hungarian Air Force
- Slovak Air Force
- Czechoslovak Air Force