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BRANTLY
BRANTLY B-2B |
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En
1943 N.P. Brantly comenzó el diseño de un helicóptero ligero que se
construyo en 1946 bajo la denominación de B-1,con el sistema de dos
rotores coaxiales. Abandonando poco después este tipo de configuración
y desarrollando el que luego sería el B-2 con el sistema convencional
de rotor principal y rotor de cola, volando este el 21 de febrero de
1953, mientras que un segundo prototipo, aún más mejorado, realizó su
vuelo inicial el 14 de agosto de 1956. Este último entró en producción
en 1958. La excelencia del diseño básico queda demostrada por el echo de que el Brantly B-2B se continúa fabricando en Texas, USA. |
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In 1949 the Army procured five examples of the Brantly Model B-2 light helicopter for evaluation in the observation role. The type, which had first flown in February 1953, was a small and simple piston-powered aircraft originally intended for the projected 'personal helicopter' market envisaged during the early 1950s. The five machines obtained by the Army (serials 58-1492 through -1496) were designated YHO-3 and tested at both Fort Rucker and the Naval Air Test Center at Patuxant River, Maryland. The aircraft was ultimately judged to be too small to be of practical military use, however, and all five examples were eventually returned to the manufacturer. |
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Characteristics |
Information |
Characteristics |
Information |
| First
Flight Primer Vuelo |
1953 | Engine Motor |
1
Lycoming |
| Seating
Capacity Plazas |
1 / 1 |
Power Potencia |
180 HP |
| Empty
Weight Peso Vacío |
1070 Lbs |
Hover
Ceiling O.G.E. Estacionario O.G.E |
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| Maximum
Weight Peso Máximo |
1670 Lbs |
Hover
Ceiling I.G.E. Estacionario I.G.E |
3525 Fts |
| Vel.
Cruise Vel. crucero |
78 Kts |
Service
Ceiling Techo de Servicio |
6000 Fts |
| V.N.E. V.N.E |
87 Kts |
Maximum
Range (Std) Alcance (Std) |
174 NM |
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