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What else can I help you with?
How fast do helicopter roter blades spin?
The speed of helicopter rotor blades through the air is limited by the speed of sound (approx. 760Mph) at which point the pressure wave disrupts the airflow at the blade tip (which is moving through the air faster than the blade root). So the larger the rotor diameter (the longer the blades), the lower the allowable RPM (the slower they 'spin')
Why is it necessary to have the tail rotor on the helicopter that spins perpendicular to the spin of the main rotor?
"For every action there is an opposite and equal reaction." For the helicopter to make the blade move in one direction, the blade will try to make the helicopter move in the opposite direction. Since the blade tries to make the helicopter spin, something is needed to keep the helicopter from spinning. So the manufacturer puts a tail rotor on the helicopter.
at what rpm does the blade spin in this air conditioner?
Airconditiong and heating pwer are rated in BTU's not RPM's this unit is 10000 BTU's
Which spins faster a two or four blade propeller?
spin rate depends on the RPM of the entire device turning it. If both are turning at the same RPM, they both spin the same speed.
How fast do the tips of helicopter rotor blades go?
Some helicopter main rotor blades spin at roughly 185 rpm and extend out up to 20 ft so your question is subjective to the helicopter you are speaking of.
What is a blade from a helicopter in words?
The main blade on a helicopter is the 'rotor'
Why wont your jxd metal series 339 3ch RC helicopter rtf w gyro down blade spin?
gear stripped
How much weight can a 18000 rpm motor with a 10 inch diameter 3 rotor blade in a small helicopter lift?
sorry folks, its 12 cms
What is the reason for a maximum rotor RPM with power on in a helicopter?
Flying a helicopter is a delicate balance of Rotor RPM and Rotor Torque. Too little RPM and it would lose lift. Too much RPM, then the centrifugal forces could damage the rotor blades. When the pilot adds Collective input to climb, the Rotor Torque could be exceeded and result in failure of the mast. Each flight restriction was based upon the design of the helicopter's mast, blades and grip. Also, if the RPMs are too high the tips of the blade will hit the sound barrier and vibrate out of control. A helicopter with a blade length of 30 ft (radius) will only have to be spinning at around 330 RPMs to reach the sound barrier.
What should be the maximum RPM of helicopter rotor?
That depends on type of helicopter
What is palindrome for a blade of a helicopter?
rotor
When flying a helicopter when would you reduce collective adjust the pedals and adjust the throttle?
Reduce collective will reduce the lift and the helicopter will begin to descend. Reducing the throttle will also reduce the RPM and result in descent of the helicopter. With less torque, the helicopter will begin to spin so the rudder pedals will have to be adjusted to reduce the amount of tail rotor thrust.
