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Aichi E16A “Zuiun” (Paul)
Japanese WWII Reconnaissance Floatplane


Archive Photos


[Aichi E16A1 “Paul”, Historic Aircraft Photos Via Wikipedia ²]

Overview ²


  • Aichi E16A “Zuiun” (“Auspicious Cloud”, Allied reporting name “Paul”)
  • Role: Reconnaissance Floatplane
  • Manufacturer: Aichi Kokuki
  • First flight: 22 May 1942
  • Introduction: February 1944
  • Primary user: IJN Air Service
  • Produced: 1944-1945
  • Number built: 256

The Aichi E16A Zuiun (“Auspicious Cloud”, Allied reporting name “Paul”) was a two-seat reconnaissance seaplane operated by the Imperial Japanese Navy during World War II.

Design and Development ²


The Aichi E16A originated from a 1939 specification for a replacement for the Aichi E13A, which at that time had yet to be accepted by the Imperial Japanese Navy Air Service (IJNAS). Disagreements about the requirements in the 14-Shi specification prevented most manufacturers from submitting designs, but in 1941 a new 16-Shi specification was drafted by the IJNAS around the Aichi AM-22 design which had already been made by Aichi engineers Kishiro Matsuo and Yasuhiro Ozawa. The first AM-22, which first got the experimental designation Navy Experimental 16-Shi Reconnaissance Seaplane and later the short designation E16A1, was completed by May 1942 and was a conventional, low-wing monoplane equipped with two floats and had the unusual (for a seaplane) feature of being equipped with dive brakes, located in the front legs of the float struts, to allow it to operate in a secondary role as a dive bomber.

Variants ²


  • E16A1 Experimental Type 16 reconnaissance seaplane: Initial named Experimental Type 14 two-seat reconnaissance seaplane. 3 prototypes produced. Mounted 1,300 hp (970 kW) Mitsubishi MK8A Kinsei 51 engine, 2 × forward-firing 7.7 mm machine guns, 1 × rearward-firing 7.7 mm machine gun.
  • E16A1 Zuiun Model 11: General production model. Mounted 1,300 hp (970 kW) Mitsubishi MK8N Kinsei 54 engine, 2 × forward-firing 20 mm cannons, 1 × rearward-firing 13 mm machine gun.
  • E16A2 Provisional name Zuiun Model 12: Initial named Zuiun Model 22. Single prototype with a 1,560 hp (1,160 kW) Mitsubishi MK8P Kinsei 62 radial engine. One plane converted from E16A1, incomplete.

Operators ²


Japan

  • Imperial Japanese Navy Air Service
  • Naval vessel
    • Battleship “Ise”, supplied from 634th Kōkūtai.
    • Battleship “Hyūga”, supplied from 634th Kōkūtai.
  • Air unit
    • Kitaura Kōkūtai
    • Yokosuka Kōkūtai
    • 634th Kōkūtai
    • 801st Kōkūtai
    • 301st Reconnaissance Hikōtai
    • 302nd Reconnaissance Hikōtai

Aichi E16A1 “Zuiun” Model 11 Specifications ²


General Characteristics

  • Crew: 2 (pilot and observer)
  • Length: 10.83 m (35 ft 6 in)
  • Wingspan: 12.81 m (42 ft)
  • Height: 4.79 m (15 ft 9 in)
  • Wing area: 28 m² (300 ft²)
  • Empty weight: 2,945 kg (6,490 lb)
  • Loaded weight: 4,553 kg (10,000 lb)
  • Powerplant: 1 × Mitsubishi Kinsei 54 14-cylinder, air-cooled, twin-row radial engine, 970 kW (1,300 hp)

Performance

  • Maximum speed: 439 km/h (237 kn, 274 mph)
  • Range: 2,420 km (1,307 nmi, 1,510 mi)
  • Service ceiling: 10,000 m (33,000 ft)
  • Rate of climb: 10 m/s (1,970 ft/min)
  • Wing loading: 139.3 kg/m² (28.5 lb/ft²)
  • Power/mass: 0.21 kW/kg (0.29 hp/kg; 0.13 hp/lb)

Armament

  • 2 × fixed, forward-firing 20 mm Type 99 cannons in wings
  • 1 × flexible, rearward-firing 13 mm (.51 in) Type 2 machine gun for observer
  • 250 kg (550 lb) of bombs

References ²


  1. Shupek, John. “Aichi E16A Zuiun (Paul),” The Skytamer Archive, Copyright © 2013 Skytamer Images. All Rights Reserved
  2. Wikipedia. Aichi E16A

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