| S-3 | |
|---|---|
 | |
| Sikorsky S-3 near Kiev Russia Empire December 1910 | |
| Role | Experimental |
| National origin | Russian Empire |
| First flight | December 1910 |
| Status | damaged with parts reused in Sikorsky S-4 |
| Number built | 1 |
| Developed from | Sikorsky S-2 |
| Developed into | Sikorsky S-4 |
The Sikorsky S-3 was an early Russian single seat biplane design by Igor Sikorsky. Work on the machine started in July 1910 and was completed in late November.
The S-3 was a larger improved version of the S-2 with a more powerful 40 hp (30 kW) Anzani three-cylinder engine. The main wings were manufactured in a more uniform manner with the ribs held to a closer tolerance and the fabric covering was of better quality. Other refinements included larger ailerons and faster-responding flight control surfaces. [1]
The S-3 exhibited performance superior to the S-2, and Sikorsky made a dozen successful flights starting early in December. The S-3 made its last flight on December 13, 1910 when at an altitude of 90 feet the engines distributor shifted to a retarded position and lost power. The aircraft landed hard on a frozen pond, broke through the ice and sank causing serious damage. The S-3 was salvaged and some parts including the engine were used in the construction of the S-4. [2]
Data fromRussian Aviation Museum [3]
General characteristics
Performance
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