Letov S-1

Letov S-1
Land	Tjeckoslovakien
Roll	Övervakning
Första flygningen	1920
Byggd	28+64

Den Letov Š-1 var ett tjeckoslovakiskt enmotorigt, tvåsitsigt biplansövervakningsflygplan. Det var det första militära flygplanet som byggdes i Tjeckoslovakien. Det designades av Alois Šmolík på Letov Kbely. Š-1 flög första gången 1920. Letov Š-2 är en ombyggd av Š-1.

Källkod: Letov S-1 på Wikipedia

Letov S-2 Walk Around
Fotograf	Pavel Senk
Lokalisering	Unknow
Bilder	20

Letov S-2 1

Letov S-2 2

Letov S-2 3

Letov S-2 4

Letov S-2 5

Letov S-2 6

Letov S-2 7

Letov S-2 8

Letov S-2 9

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General Characteristics

The Letov Š-1 (initially designated Šm-1) was a Czechoslovak single-engined, two-seat biplane. It holds a significant place in history as the first military aircraft designed and built in Czechoslovakia after the country’s formation following World War I. Designed by Alois Šmolík at Letov Kbely, it was primarily used by the Czechoslovak Air Force for surveillance, reconnaissance, and light bombing duties.

Property	Typical Value (Š-1)
Roll	Surveillance / Reconnaissance / Light Bomber
Tillverkare	Letov Kbely (Czechoslovakia)
First Flight	1920
No. Built	28 (Š-1 variant)
besättning	2 (Pilot and Observer/Gunner)
längd	8.3 m (27 ft 3 in)
Spännvidd	13.23 m (43 ft 5 in)
Max Takeoff Weight	1,375 kg (3,031 lb)

Design and Powerplant

Engine: One Hiero L 6-cylinder water-cooled in-line piston engine (of Austrian design).
Power Output: 169 kW (227 hp) to 172 kW (230 hp).
Structure: The Š-1 featured an all-wood construction, with the fuselage notably made from molded plywood. This was an advanced and unusual construction method for the time, though it complicated maintenance.
Propeller: Two-bladed fixed-pitch propeller.
Successor: The design led to the Š-2 variant (originally designated SM-1), which was re-engined with a more powerful 194 kW (260 hp) Maybach Mb.IVa engine.

Performance and Armament

Maximum Speed: Up to 194 km/h (121 mph, 105 knots).
Service Ceiling: 6,000 m (20,000 ft).
Range: Approximately 715 km (444 mi, 386 nmi).
Fixed Armament:
- Forward: One 7.70 mm Vickers machine gun (for the pilot).
- Rear: Two 7.70 mm Lewis machine guns on a ring mount (for the observer/gunner).
Ordnance Load: Could carry up to 120 kg (265 lb) of bombs for its light bomber role.