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France's Potez 25 general purpose

Design

The Potez 25 was designed by Lois Coroller.1

Undercarriage

The undercarriage was a cross axle landing gear with shock absorbers.1 The wheels were made of metal spokes and rubber tires.1

Cockpit

The cockpit contained the pilot and observer beneath a cut out in the top wing.1

Prototype

The prototype of the Potez 25 first flew in 1925.1

Production

From 1925 to 1935 over 4,000 were constructed.1

ANF Les Mureauz, Hanriot, and Potez manufactured the Potez 25.1

Variants

  • Potez 25:
  • Potez 25 A.2: Observation plane.1
  • Potez 25 B.2: Bomber.1 There were twelve 26 lb / 12 kg or four 110 lb / 50 kg bombs under the fuselage, and six 26 lb / 12 kg bombs under the wings.1
  • Potez 25 H: Floatplane variant.1 One version had two floats, the other with a single central float.1
  • Potez 25-O: Additional fuel for long flights.1 Unsuccessfully attempted to fly from Paris to New York.1
  • Potez 25 ??: Salmson (520 HP) radial engine installed.1
  • Potez TOE: Used overseas.1

Usage

Used by more than 20 countries.1 Afghanistan, Algeria, Argentina, Brazil, China, Estonia, Ethiopia, Finland, Guatemala, Indo-China, Japan, Madagascar, Morocco, Poland, Portugal, Romania, Switzerland, Turkey, Uruguay, USSR, and Yugoslavia.1

Used by the French air force into the mid-1930s.1 Other countries used them into the 1940s.1

The Potez 25 was licensed built by Poland, Portugal, Romania, and Yugoslavia.1

Switzerland

Switzerland had a mix of liquid and air cooled engines in their Potez 25s.1 One air cooled engine used was the Gnome-Rhône 9Ac Jupiter.1

Sino-Japanese War

The Chinese air force used the Potez 25s against the Japanese.1

Ethiopia

The Ethiopian military used the Potez 25s against the Italians in 1935.1

Specifications

  Potez 25 TOE1
Type General purpose1
Crew 21
Pilot, observer1
Engine (Type) Lorraine-Dietrich 12Eb piston1
Cylinders  
Cooling Liquid1
Net HP 4501
Propeller blades 21
Dimensions  
Span 46' 5"1
14.14 m1
Length 29' 10"1
9.1 m1
Height 12'1
3.67 m1
Wing area 506 ft2 1
47 m2 1
Weight  
Empty 3,329 lb1
1,510 kg1
Loaded 5,512 lb1
2,500 kg1
Performance  
Speed @ sea level 129 mph1
208 kph1
Cruising speed  
Climb  
Service ceiling 19,000'1
5,800 m1
Range 783 miles1
1,260 km1
Armament  
Forward firing 1: 7.7 mm Vickers MG1
Rear cockpit 2: 7.7 mm Vickers MG1
Bombs 440 lb1
200 kg1

Sources:

  1. Aircraft of World War II, General Editor: Jim Winchester, 2004
20th Century American Military History Crucial Site

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