Synonyms, crossword answers and other related words for HELICOPTER BLADE [
rotor
]
What are chopper blades?
The chopper blades, which can be adapted to mini-choppers, are
small and rotate at high speed
. … These mini chopper blades for mini choppers are essentially used to chop, emulsify or mix foods. They can be found in food preparation equipment for babies, and herb cutters (parsley, garlic, onions).
What’s another name for helicopter blades?
A
helicopter main rotor or rotor system
is the combination of several rotary wings (rotor blades) and a control system that generates the aerodynamic lift force that supports the weight of the helicopter, and the thrust that counteracts aerodynamic drag in forward flight.
What is the rear blade on a helicopter called?
The
tail rotor
is a smaller rotor mounted vertically or near-vertically at the tail of a traditional single-rotor helicopter, where it rotates to generate a horizontal thrust in the same direction as the main rotor’s rotation.
What’s another word for rotor?
In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for rotor, like:
impeller
, axle, rudder, cylinder, contra-rotating, stator, rotor coil, propeller, propellor, piston and pulley.
What are the 3 types of helicopter tail rotor?
Main rotor systems are classified according to how the main rotor blades are attached and move relative to the main rotor hub. There are three basic classifications:
semirigid, rigid, or fully articulated
. Some modern rotor systems, such as the bearingless rotor system, use an engineered combination of these types.
Can a helicopter fly without a tail rotor?
One significant advancement in the last decade has been the no-tail rotor, or NOTAR, helicopter. … As you now know,
vertical-lift flight is impossible without a tail rotor
to counteract the torque produced by the main rotor.
Which part of the helicopter blades spin the fastest?
A second gearbox does the same for the
tail rotor
, although the tail rotor, being much smaller, can rotate faster than the main rotor.
How are helicopter blades designed?
Air flows more slowly at the hub of a rotor, than at the faster moving tip. … That’s achieved by making the
rotor with a twist along its length
. Aerodynamics determines the optimum design, as the angle of attack increases, the flow above an aerofoil becomes turbulent. This increases drag and reduces lift.
Why do some helicopters have two blades?
So why more? Helicopters have between 2 and 8 main rotor blades. The larger the helicopter, the
heavier it weighs and needs more lift to be produced
. By using more blades, designers can increase the entire rotor system surface area while keeping the size of each rotor blade as small as possible.
Why does a helicopter has a second rotor on its tail?
The tail rotor
counteracts the torque on the main rotor by creating a re-direction of air
. … To turn the helicopter in the opposite way, the tail rotor thrust is reduced.
Do all helicopters have a tail rotor?
All helicopters do not need tail rotors
. The tail rotor counteracts the angular momentum created by the main rotor, to control the machine. Some helicoptors have different ways to counteract the momentum without using the tail rotor, such as those that use two main rotors or those that use NOTAR.
How do helicopters move forward?
The rotor blades are pitched lower in the front of the rotor assembly than behind it. This increases the angle of attack — and creates lift — at the back of the helicopter.
The unbalanced lift
causes the helicopter to tip forward and move in that direction.
What do you mean by rotor?
1a :
a part that revolves in a stationary part a brake
rotor. b : the rotating member of an electrical machine. 2 : an assembly of rotating blades that supplies lift or stability for a rotorcraft.
What is a helicopter with two rotors called?
Tandem rotor (or dual rotor)
A tandem rotor helicopter
has two main rotor systems and no tail rotor. Usually the rear rotor is mounted at a higher position than the front rotor, and the two are designed to avoid the blades colliding, should they flex into the other rotor’s pathway.
Do helicopters have autopilot?
There are several types of autopilot systems used in modern helicopters, including digital flight guidance systems (DFGS) and digital flight control systems (DFCS). … The most basic autopilot systems provide increased stability but
do not completely fly the helicopter
.
