SIKORSKY S-2 SECOND HELICOPTER

Segundo intento de Sikorsky por construir un helicóptero, constaba con dos rotores de tres palas cada uno, contrarrotatorios. Debido a la falta de potencia pudo despegar pero sin piloto.

Helicopter with two three-bladed counter-rotating propellers. Underpovered aircraft was able to take off... but without a pilot.

'Igor Sikorsky - The Russian Years' by K.N.Finne
"History of aircraft construction in the USSR": English translation by A.Savine

Characteristics Características	Information Información	Characteristics Características	Information Información
First Flight Primer Vuelo	1910	Engine Motor	1 Anzani
Seating Capacity Plazas	0	Power Potencia	25 HP
Empty Weight Peso Vacío	182 Kgs	Hover Ceiling O.G.E. Estacionario O.G.E	Fts
Maximum Weight Peso Máximo	270 Kgs	Hover Ceiling I.G.E. Estacionario I.G.E	Fts
Vel. Cruise Vel. crucero	Kts	Service Ceiling Techo de Servicio	Fts
V.N.E. V.N.E	Kts	Maximum Range (Std) Alcance (Std)	NM