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Depends on the class of helicopter and its function. Your smallest helicopters will only have one, whereas your medium helicopters may have either one or two. For example, single and twin engine variants of the UH-1 helicopter were manufactured. Two really tends to be a bit more common in this size range. Some even have three, such as the CH-53.
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Why fixed wing aircraft need less powerful engine then a helicopter?
Helicopter engines require substantial power to propel the helicopter vertically from a standstill. With regards to planes, yes obviously planes need powerful engines, BUT planes speed up to 200km/h on runways before they start flying.
Who many people were rescued by the helicopter in boscastle floods 2004?
3
How many engines does a B-52 bomber have?
It has 8 engines, four on each side, two per boom.
How many engines does a p-38 lightning have?
2
Who was the first African American to invent the helicopter?
An African-American didn't invent the helicopter.
How many engines in a helicopter?
Many have 1 , some have 2 , a few have 3 engines.
What is speed of helicopter engine?
There are many different helicopter engines, most of them now jets
Do helicopter engines have a variable guide vane?
Some do.
What is the list price for a helicopter?
Depends on the actual model of helicopter and what comes with it. Few helicopter deals are simple, all involve spare engines and other items.
What propels a helicopter?
the engines make the propeller spin and will make it fly
Diagram of a Helicopter engine?
Helicopter engines vary from one another. The mayority use turboshaft engines. But you can take a look at this web site: http://www.howstuffworks.com/framed.htm?parent=apache-helicopter.htm&url=http://www.geae.com/engines/military/t700/t700-701c.html
Can a motorcycle engine be used for helicopter?
Yes, but snowmobile engines are even better.
Does a helicopter have a rotary engine?
No, rotary engines went out of use in aircraft in WW1.
What fuel does a helicopter use?
Reciprocating engines: 100 octane low lead (100LL) Turbine engines: Jet A, basically kerosene.
Why fixed wing aircraft need less powerful engine then a helicopter?
Helicopter engines require substantial power to propel the helicopter vertically from a standstill. With regards to planes, yes obviously planes need powerful engines, BUT planes speed up to 200km/h on runways before they start flying.
Can jet engines be used to hover efficiently for flight like a helicopter?
Yes, though not as efficiently as a helicopter. The most notable example is the Harrier jet.
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.
