FIELD: flying vehicle main rotors.
SUBSTANCE: proposed helicopter is provided with main rotor, fuselage, engines and control members. Trailing and leading edges of main rotor blades are formed by intersection of two parabolas. Blade tip, 1.5 m long is bent at angle β≥60°and is provided with truncated paraboliod of revolution coaxially relative to respective main rotor either above or below the fuselage.
EFFECT: increased lifting force of helicopter.
3 cl, 11 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| HELICOPTER | 2006 |
|
RU2333867C2 |
| FLAPPING-WING AIRCRAFT | 2006 |
|
RU2323129C2 |
| AIRCRAFT | 2005 |
|
RU2307048C1 |
| PROPELLER BLADE | 2004 |
|
RU2278058C2 |
| AXIAL-BLOW BLOWER | 2007 |
|
RU2362911C2 |
| ROTOR WIND ELECTRIC ASSEMBLY | 2006 |
|
RU2325552C1 |
| ROTOR MAST | 2007 |
|
RU2359862C2 |
| PROPELLER | 2006 |
|
RU2314968C1 |
| AIR PROPELLER | 2006 |
|
RU2318698C1 |
| OAR | 2008 |
|
RU2373105C1 |
