In 1936, the Czechoslovak firm Beneš-Mráz developed a new variant of its successful Be.50 aircraft, resulting in the Be.52 Beta-Major. This model represented a significant evolution, incorporating several improvements over its predecessor.
Enhanced Design and Aerodynamics
The Be.52 Beta-Major was distinguished by its open two-seater cockpit, a notable change that offered a different flying experience. Additionally, engineers implemented improvements in the fuselage’s aerodynamics, optimizing its performance in the air.
Increased Power Output
One of the most important upgrades was the integration of a more powerful engine: the Walter Major 4, delivering 130 horsepower. This propulsion enhancement promised greater speed and operational capability for the aircraft.
Legacy and Post-Annexation Service
Despite its advancements, the Be.52 Beta-Major was produced as a single prototype, registered with the civil designation OK-BED. Its history took an unexpected turn following the annexation of Czechoslovakia.
Like the Be.51, this aircraft was subsequently utilized by the German Luftwaffe, serving as a training aircraft. This use by the German air forces highlights the inherent value and versatility of its original Czechoslovak design.
Technical Specifications
| Modification | Be.52 |
| Wingspan, m | 10.66 |
| Length, m | 7.00 |
| Wing area, m2 | 14.00 |
| Empty weight | 550 |
| Maximum takeoff weight | 820 |
| Engine type | 1 Piston engine Walter Major 4 |
| Power, hp | 1 x 130 |
| Maximum speed, km/h | 235 |
| Cruising speed, km/h | 200 |
| Practical range, km | 600 |
| Service ceiling, m | 5200 |
| Crew | 2 |
Image and diagram gallery of the Be.52 Beta-Major
 Be.52 Beta-Major |
 Be.52 Beta-Major |
 Be.52 Beta-Major |