Design and Development
The PZL.48 was a development of the heavy fighter-bomber PZL.38 Wilk, designed by Franciszek Misztal. Owing to problems with PZL.38's PZL Foka V8 engines and the excessive weight of the prototype it was decided in 1938 to build a variant of the plane using more powerful radial engines, named PZL.48 Lampart'. Despite the new plane appearing almost identical to the PZL.38, apart from the engines, it was, in fact, redesigned in order to decrease weight. French 640 hp Gnome-Rhône 14M engines of small diameter were chosen.
Building of a prototype started in 1939, but by summer 1939 only a wing had been made, while the fuselage was still under construction. It was planned to carry out static trials in Autumn 1939 and to fly the prototype in the first half of 1940. Further plans were to produce 110 Lamparts for the Polish Air Force in 1941. Owing to the German invasion on 1 September 1939, all plans were cancelled.
In early 1939 Misztal also worked out the initial design of the PZL.54 Ryś - a development of the PZL.48 with Hispano-Suiza 12L in-line engines.
Read more about this topic: PZL.48 Lampart
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