Heinkel HE 9

The Heinkel HE 9 was a reconnaissance seaplane developed by the German aviation company Ernst Heinkel Flugzeugwerke AG in the late 1920s.

on take-off
HE 9
Role Reconnaissance floatplane
National origin Germany
Manufacturer Heinkel
First flight 1927
Number built 1

The aircraft was equipped with 660 liters (492 kW) BMW VI . The planned crew consisted of three people. On 21 May 1929 the plane established numerous world record for seaplanes including a speed record of 231 kilometers per hour in one km of track with a load of 1000 kg. On 10 June HE 9 set a speed record for 1000 km of track with a load of 1000 kg.

Specifications

Data from [1]

General characteristics

  • Crew: 3
  • Length: 11.6 m (38 ft 1 in)
  • Wingspan: 16.8 m (55 ft 1 in)
  • Height: 4.56 m (15 ft 0 in)
  • Wing area: 47.5 m2 (511 sq ft)
  • Empty weight: 2,379 kg (5,245 lb)
  • Max takeoff weight: 3,000 kg (6,614 lb)
  • Fuel capacity: 500 kg
  • Powerplant: 1 × BMW VI V-12 water-cooled piston engine, 560 kW (750 hp)
  • Propellers: 2-bladed fixed-pitch metal propeller

Performance

  • Maximum speed: 250 km/h (160 mph, 130 kn)
  • Range: 850 km (530 mi, 460 nmi)
  • Service ceiling: 5,900 m (19,400 ft)
  • Rate of climb: 2.8 m/s (550 ft/min)
  • Time to altitude: 1,000 m (3,300 ft) in 2 minutes 50 seconds: 5,000 m (16,000 ft) in 25 minutes'
  • Wing loading: 63 kg/m2 (13 lb/sq ft)

References
  1. "Das Virtuelle Luftfahrtmuseum - Heinkel HE 9 a". 4 March 2016. Archived from the original on 4 March 2016.
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