Lioré et Olivier LeO H-180

The Lioré et Olivier LeO H-180 was a 1920s French two-seat flying-boat built by Lioré et Olivier.[1]

LeO H-180
Role Two-seat flying-boat
National origin France
Manufacturer Lioré et Olivier
First flight 1928
Number built 6

Development

The H-180 first flew in 1928 and was a cantilever high-wing monoplane flying-boat.[1] Powered by a 120 hp (89 kW) Salmson 9Ac engine strut-mounted above the fuselage.[1] It had two side-by-side seats in an open cockpit but the following year it was fitted with an enclosed cockpit and re-designated the LeO H-181.[1] The company intended to build a production batch of ten aircraft but only five H-181s were built.[1] One aircraft was destroyed and the others finding no buyers were used as test aircraft by the company.[1]

Variants
H-180
Two-seat touring / training flying boat; 1 built.[2]
H-181
An enclosed cockpit version, with increased span and longer fuselage; 5 built.[3]

Specifications (H-180)
Lioré et Olivier LeO H-180 3-view drawing from L'Aéronautique June,1928

Data from Flight,[4] Jane's all the World's Aircraft 1928[5]

General characteristics

  • Crew: 2, (1 pilot)
  • Capacity: (1 pax)
  • Length: 7.25 m (23 ft 9 in)
  • Wingspan: 11.2 m (36 ft 9 in)
  • Height: 2.2 m (7 ft 3 in)
  • Wing area: 17.2 m2 (185 sq ft)
  • Empty weight: 680 kg (1,499 lb)
  • Gross weight: 960 kg (2,116 lb)
  • Powerplant: 1 × Salmson 9Ac 9-cylinder air-cooled radial piston engine, 89 kW (120 hp)
  • Propellers: 2-bladed fixed pitch pusher propeller

Performance

  • Maximum speed: 165 km/h (103 mph, 89 kn)
  • Cruise speed: 140 km/h (87 mph, 76 kn)
  • Range: 520 km (320 mi, 280 nmi)
  • Service ceiling: 3,500 m (11,500 ft)
  • Time to altitude: 20 min to 2,000 m (6,600 ft)
  • Wing loading: 55.8 kg/m2 (11.4 lb/sq ft)
  • Power/mass: 0.09341 kW/kg (0.05682 hp/lb)

See also

Related lists

References
  1. The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing. p. 2334.
  2. Parmentier, Bruno (13 December 1998). "Lioré et Olivier LeO H-180, Hydravion d'entrainement par Aviafrance". Aviafrance (in French). Pariz. Retrieved 18 February 2018.
  3. Parmentier, Bruno (13 December 1998). "Lioré et Olivier LeO H-181, Hydravion d'entrainement par Aviafrance". Aviafrance (in French). Pariz. Retrieved 18 February 2018.
  4. "The Leo H.18". Flight. Vol. XXI no. 29. 18 July 1929. pp. 724–725.
  5. Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. p. 108c.
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