Fieseler Fi 99

The Fieseler Fi 99 Jungtiger (English: Young Tiger) was a German sports aircraft prototype, produced by Fieseler company. The aircraft was a low-wing two-seat aircraft with an enclosed cabin. It was powered by a Hirth HM 506A engine, producing 160 hp (119 kW).

Fieseler Fi 99
The Fi 99 Jungtiger
Role Sports aircraft
National origin Germany
Manufacturer Fieseler
First flight 22 April 1937
Number built 1

Specifications

Data from Flugzeug-Typenbuch : Handbuch der Deutschen Luftfahrt- und Zubehör-Industrie 1939/40[1]

General characteristics

  • Crew: 1
  • Capacity: 1 pax
  • Length: 7.9 m (25 ft 11 in)
  • Wingspan: 10.7 m (35 ft 1 in)
  • Height: 2.15 m (7 ft 1 in)
  • Width folded:2.9 m (9 ft 6 in)
  • Height folded:2.95 m (9 ft 8 in)
  • Wing area: 16.8 m2 (181 sq ft)
  • Aspect ratio: 6.74
  • Empty weight: 555 kg (1,224 lb)
  • Gross weight: 875 kg (1,929 lb)
  • Max takeoff weight: 875 kg (1,929 lb)
  • Fuel capacity: 163 l (43 US gal; 36 imp gal)
  • Powerplant: 1 × Hirth HM 506A six-cylinder inline piston 160 PS (158 hp; 118 kW)
  • Propellers: 2-bladed wooden fixed-pitch propeller, 2.2 m (7 ft 3 in) diameter
  • Propeller disc area: 3.8 m2 (40.9 sq ft)
  • Propeller loading: 42.1 PS/m2 (3.9 hp/sq ft; 31.0 kW/m2)

Performance

  • Maximum speed: 236 km/h (147 mph, 127 kn)
  • Cruise speed: 223 km/h (139 mph, 120 kn)
  • Landing speed: 72 km/h (45 mph; 39 kn)
  • Range: 830 km (520 mi, 450 nmi)
  • Endurance: 3 hours 47 minutes
  • Service ceiling: 6,250 m (20,510 ft)
  • g limits: +7.2 (ultimate)
  • Rate of climb: 5.3 m/s (1,040 ft/min)
  • Time to altitude: 1,000 m (3,281 ft) in 3 minutes 24 seconds
2,000 m (6,562 ft) in 7 minutes 30 seconds
3,000 m (9,843 ft) in 12 minutes 30 seconds
  • Wing loading: 51.45 kg/m2 (10.54 lb/sq ft)
  • Power/mass: 0.183 PS/m2 (0.017 hp/sq ft; 0.135 kW/m2)
  • Fuel consumption: 5.35 km/l (12.58 mpg‑US; 15.11 mpg‑imp)

References
  1. Schneider, Helmut (Dipl.Ing.) (1939). Flugzeug-Typenbuch : Handbuch der Deutschen Luftfahrt- und Zubehör-Industrie 1939/40 (in German) (Facsimile reprint 1988 ed.). leipzig: Gondrom. pp. 42–43. ISBN 3811206273.

Further reading
  • Nowarra, Heinz J. (1988). Die deutsche Luftrüstung 1933-1945, Volume 4 (in German). ISBN 978-3-7637-5464-9.
  • Journal of the Aerospace Sciences. Institute of the Aerospace Sciences. 6: 122. 1939. {{cite journal}}: Missing or empty |title= (help)


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