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Poland's PZL P-37, attack bomber

Design

The P-37 was manufactured by Panstwowe Zaklady Lotnicze (PZL).

Prototype

The military gave permission for the construction of three prototypes in April 1935. The first prototype, the P-37/I, flew at the end of June 1936.

Production

The PZL P-37 was not given priority for construction. An order for 30 P-37As was placed.

An order for 150 P-37Bs was placed but due to the Polish military wanting more fighters, the order was reduced to 100. 70 were delivered by September 1939.

  • P-37B: 36

Variants

  • P-37/I: 1st prototype. Pegasus engine (873 HP).
  • P-37/II: 2nd prototype. Pegasus engine (925 HP).
  • P-37A (first 10 produced): Had single tail fin.
  • P-37A (next 20 produced): Had twin tail fins.
  • P-37B: The canopy and landing gear were modified.
  • P-49: Had 1,600 HP engines. A prototype was being constructed but it was destroyed by the Germans.

Usage

Air Shows

At the Belgrade and Paris air shows in 1938 the P-37A was presented and impressed many. Bulgaria, Rumania, Turkey, and Yugoslavia placed orders for 75. None of the orders were filled as World War II started in September 1939.

Specifications

  PZL P-37B
Type Attack
Crew 4
Engine (Type) 2: PZL-Bristol Pegasus XX
Cylinders Radial 9
Cooling Air
Net HP 918 each
Propeller blades  
Dimensions  
Span 58' 10"
17.93 m
Length 42' 5"
12.92 m
Height 16' 8"
5.08 m
Wing area  
Weight  
Empty  
Loaded 18,872 lb
8,560 kg
Performance  
Speed @ 11,154' /
3,400 m
276 mph
445 kph
Climb  
Service ceiling 19,680'
6,000 m
Range 932 miles
1,500 km
Armament 3: MG
Bombs 5,688 lb
2,580 kg

Sources:

  1. Complete Book of World War II Combat Aircraft, Enzo Angelucci, Paolo Matricardi, Pierluigi Pinto, 1988
20th Century American Military History Crucial Site