Engineering:Lioré et Olivier LeO H-22

LeO H-22
Role	mail transport flying boat
National origin	France
Manufacturer	Lioré et Olivier
First flight	1931
Number built	1

The Lioré et Olivier LeO H-22 was a French amphibious plane, primarily intended for aerial mail transport.

Design

The LeO H-22 was a flying boat with a three part cantilever high wing, primarily of both wood and metal construction. The Gnome-Rhône 5Bc 5-cylinder radial engine, driving apusherpropeller, was mounted in a streamlined nacelle, supported on struts, over the wing centre-section.

The LeO H-221 three-seat trainer flying boat, derived from the H-22, differed in cockpit arrangement and was powered by a 230 hp (170 kW) Salmson 9Ab 9-cylinder radial engine, also driving a pusher propeller.

Variants

H-22

Airmail transport amphibious plane, Gnome-Rhône 5Bc 5-cylinder radial .

H-221

Trainer amphibious plane, Salmson 9Ab 9-cylinder radial.

Specifications

Data from

General characteristics

• Crew: 2
  

H-221 3

• Length: 10.70 m (35 ft 1 in)
• Wingspan: 15.94 m (52 ft 4 in)
• Height: 3.85 m (12 ft 8 in)
• Wing area: 33 m² (360 sq ft)
• Empty weight: 1,234 kg (2,721 lb)
  

H-221 1,278 kg (2,818 lb)

• Gross weight: 1,800 kg (3,968 lb)
  

H-221 1,773 kg (3,909 lb)

• Powerplant: 1 × Gnome-Rhône 5Bc 5-cylinder air-cooled radial engine, 170 kW (230 hp)
  

H-221 1 x Salmson 9Ab 9-cylinder air-cooled radial engine 230 hp (170 kW)

• Propellers: 2-bladed fixed pitch pusher propeller

Performance

• Maximum speed: 175 km/h (109 mph, 94 kn) at ground level
• Range: 600 km (370 mi, 320 nmi)

Further reading

• Hartmann, Gérard. Les Avions Lioré Et Olivier. Boulogne-Billancourt, France: ETAI. 2002. ISBN:2-7268-8607-8 (in French)