Why can't you attach a jet engine to a helicopter with similar results?

Anonymous

∙ 17y ago

Updated: 8/16/2019

Question is not very clear. Most modern Helicopters are powered by turbo-jet engines that drive a transmission gearbox to turn the rotor blades. Jet engines have been attached to the tips of the main rotor blades. This design was used to turn the blades faster and have a smaller engine and gearbox. The forward velocity of a typical helicopter is limited by the tip speed of the rotor blades. The tip speed of the advancing blade is the sum of the airspeed of the helicopter and the speed of the blade. That is why helicopters are limited to ~150mph. If a jet engine was installed to push it faster, then either
-A- the rotor blade would hit the sound barrier and become unstable or
-B- the rotor blade would have to be stopped and the helicopter would have to fly using lift from a wing.

Wiki User

∙ 17y ago

What else can I help you with?

How much does it cost to build a helicopter engine?

Almost the same as the other similar aircraft engines. And depends on the size of the helicopter, consequently to the power of the engine.

What is a turbine helicopter?

A helicopter with a jet engine. The engine is adapted to give power to a transmission, rather than thrust.

What parts function the helicopter?

the engine

What happens when engine fails in helicopter?

if the engine fails a good pilot can 'auto rotate' using the dead rotor to lower the helicopter

What is speed of helicopter engine?

There are many different helicopter engines, most of them now jets

Can a helicopter fly at Mach 1.5?

No, a helicopter cannot go at the speed of Mach 1.5. It is because, this kind of propulsion can only be achieved through a jet engine. A helicopter's engine cannot achieve that.

How many cylinders does the R22 helicopter engine have?

The Robinson 22 helicopter has a four cylinder pistol engine. The single-engine light utility helicopter was designed in 1973 and has been in production since 1979. The cost of one of these helicopters is about $270,000.

What is a Chinook helicopter used for?

The Chinook helicopter is an American twin-engine helicopter. The helicopter is used by military forces. The Chinook helicopter is mainly used for troop transportation, artillery movement, and resupply on the battlefield.

How you can manufacture helicopter from an automobile engine?

You can't do that.

How does a helicopter slowdown?

you turn off the engine

What are the major parts of a helicopter?

It's main rotor, tail rotor makes the helicopter to move which is powered by it's engine. These are the major parts of a helicopter

What is a helicopter powered by?

They are either powered by a turbine engine like a jet engine or a piston engine.

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