Letov Š-19

Š-19
Role	Airliner
National origin	Czechoslovakia
Manufacturer	Letov
First flight	1924
Primary user	ČSA
Number built	7 + 2 prototype
Developed from	Letov Š-6

The Letov Š-19 was an airliner produced in small numbers in Czechoslovakia during the 1920s. Following tests with a Š-6 bomber over domestic passenger routes, ČSA requested that a passenger-carrying version be developed. While retaining the basic layout of the Š-6, the Š-19 added a fully enclosed passenger cabin within the fuselage, with seating for four. The pilot had an open cockpit to the rear of this.

Three machines were built with the same Maybach engine that had powered the bomber version, but these were found to have poor flying characteristics, and for the other four examples produced, a Walter powerplant was used instead, along with making some refinements to the ailerons and wing bracing.

Put into service on the Prague-Košice route, the type was not a success. The passenger cabin was very noisy, since it was placed immediately behind the engine. Furthermore, this placement made boarding and disembarking very awkward, and visibility for the passengers was poor. Besides all this, the Š-19 could not match the performance offered by foreign aircraft, and no further production was undertaken.

Specifications

General characteristics

• Crew: One pilot
• Capacity: 4 passengers
• Length: 8.85 m (29 ft 0 in)
• Wingspan: 14.10 m (45 ft 11 in)
• Wing area: 45.0 m² (484 ft²)
• Empty weight: 1,404 kg (3,088 lb)
• Gross weight: 2,004 kg (4,408 lb)
• Powerplant: 1 × Walter W-IV, 190 kW (260 hp)

Performance

• Maximum speed: 178 km/h (111 mph)
• Range: 770 km (480 miles)
• Service ceiling: 4,900 m (16,100 ft)
• Rate of climb: 2.4 m/s (470 ft/min)

References

Wikimedia Commons has media related to Letov aircraft.

• Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 573. 
• Němeček, Václav (1968). Československá letadla. Prague: Naše Vojsko.