Yokosuka E5Y

The Yokosuka E5Y (Yokosuka Navy Type 90-3 Reconnaissance Seaplane) was a single-engine Japanese seaplane used for reconnaissance.

The E5Y was also built by Kawanishi as the E5K (Kawanishi Navy Type 90-3 Reconnaissance Seaplane)

Variants

Yokosuka Navy Type 14-2 Reconnaissance Seaplane Kai-1

Prototype of the later Type-14-2 and Type 90-3 production aircraft, powered by a 450 hp (340 kW) Bristol Jupiter VIII radial engine.

Yokosuka Navy Type 14-2 Reconnaissance Seaplane Kai-1-C

Initial production aircraft powered by 450 hp (340 kW) Lorraine 12E Courlis W-12 water-cooled engines.

Yokosuka Navy Type 14-2 Reconnaissance Seaplane Kai-1-D

Later prototype aircraft with Jupiter engines in a lengthened nose.

Yokosuka Type 90-3 Reconnaissance Seaplane

Designation of production aircraft to have been built by the Yokosuka Naval Arsenal (Yokosho)

Kawanishi Type G

Company designation for two pre-production Navy Type 14-2 Reconnaissance Seaplane Kai-1-Ds.

Kawanishi Type 90-3 Reconnaissance Seaplane

Seventeen production aircraft, initially powered by Jupiter engines, with some later models being re-engined with Hiro Type 91 520 hp water-cooled W-12 engines

Yokosuka E5Y1

Short designation of aircraft built at the Yokosuka Naval Arsenal, (Yokosho E5Y1)

Kawanishi E5K1

Short designation for the production aircraft built by Kawanishi.

Specifications

Crew

3

Length

10.812 m (35 ft 6 in)

Wingspan

14.46 m (47 ft 5 in)

Height

4.74 m (15 ft 7 in) with wings folded

Wing area

55 m2 (590 sq ft)

Empty weight

1,850 kg (4,079 lb)

Gross weight

3,000 kg (6,614 lb)

Powerplant

1 × Bristol Jupiter VIII 9-cyl. Air-cooled radial piston engine, 340 kW (450 hp)

Propellers

2-bladed wooden fixed pitch propeller

Performance

Maximum speed

178 km/h (111 mph, 96 kn)

Cruise speed

130 km/h (81 mph, 70 kn)

Endurance

6.5 hours

Service ceiling

4,050 m (13,290 ft)

Time to altitude

3,000 m (9,800 ft) in 33 minutes 20 seconds

Wing loading

54.5 kg/m2 (11.2 lb/sq ft)

Power/mass

0.112 kW/kg (0.068 hp/lb)

Armament

Guns

2 x 7.77 mm (0.306 in) fixed Type 89 machine-guns

&

2 x 7.77 mm (0.306 in) flexible Type 89 machine-guns

Bombs

Max 250 kg (551.156 lb)

2 x 125 kg (275.578 lb)

or

3 x 60 kg (132.277 lb)

or

3 x 30 kg (66.139 lb).