Fenestron
E750445
The Fenestron is a shrouded, multi-blade tail rotor system used on helicopters to enhance safety, reduce noise, and improve aerodynamic efficiency.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fenestron canonical | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
ducted fan tail rotor
ⓘ
helicopter tail rotor system ⓘ shrouded tail rotor ⓘ |
| aimsTo |
improve urban operations acceptability
ⓘ
reduce acoustic footprint ⓘ |
| category |
aeronautical engineering component
ⓘ
helicopter technology ⓘ |
| contrastsWith | open tail rotor ⓘ |
| designFeature |
blades of varying chord
ⓘ
blades of varying spacing ⓘ blades of varying sweep ⓘ ducted circular or oval housing ⓘ multiple narrow-chord blades ⓘ |
| developedBy | Aérospatiale NERFINISHED ⓘ |
| enables |
higher tail rotor rotational speed
ⓘ
reduced blade tip Mach number ⓘ |
| firstUsedOn | Aérospatiale SA 340 prototype NERFINISHED ⓘ |
| hasAdvantageOver | conventional tail rotor ⓘ |
| hasAlternativeName |
fan-in-fin
ⓘ
fenestrated tail rotor ⓘ |
| hasComponent |
multi-blade rotor
ⓘ
shroud ⓘ vertical tail fin duct ⓘ |
| hasFunction |
enhance safety
ⓘ
improve aerodynamic efficiency ⓘ provide anti-torque ⓘ provide yaw control ⓘ reduce noise ⓘ |
| improves |
ground safety for personnel
ⓘ
safety near obstacles ⓘ |
| integratedInto | vertical stabilizer ⓘ |
| introducedInDecade | 1960s ⓘ |
| isTrademarkOf | Airbus Helicopters NERFINISHED ⓘ |
| locatedAt | tail of helicopter ⓘ |
| optimizes |
anti-torque efficiency at high speed
ⓘ
anti-torque efficiency in forward flight ⓘ |
| reduces |
perceived external noise
ⓘ
risk of tail rotor strike ⓘ tail rotor noise signature ⓘ |
| usedByManufacturer | Airbus Helicopters NERFINISHED ⓘ |
| usedOn | helicopter ⓘ |
| usedOnModel |
Aérospatiale SA 341 Gazelle
NERFINISHED
ⓘ
Aérospatiale SA 342 Gazelle NERFINISHED ⓘ Eurocopter Dauphin NERFINISHED ⓘ Eurocopter EC120 Colibri NERFINISHED ⓘ Eurocopter EC130 NERFINISHED ⓘ Eurocopter EC135 NERFINISHED ⓘ Eurocopter EC145 T2 NERFINISHED ⓘ Eurocopter EC155 NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.