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What is the probability engine failure in twin engine aircraft?
Wiki User
∙ 11y ago
This question has way way to many undefined variables to have a specific answer.
But the way to think of this: If we accept that Piston Aircraft Engines have a in flight failure every 10,000 hours on average ( this is a made up approximate number)
Also we accept that having two engines doubles the risk of an engine failure to once every 5000 hrs.
We further have too do some math and come up with the possibility of both engines failing during the same emergency from a cause other than fuel exhaustion is somewhere around once in between 25,000,000 and 100,000,000 flight hours.
To get the correct answer for your engines you have to use the above system and the average number of hours between in flight failures.Wiki User
∙ 11y ago
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What is a twin engine airplane?
A twin engine airplane is an airplane which has two engines for the purposes of redundancy and/or performance. Twin engine aircraft are considerably more complex to fly than single engine aircraft, and so the FAA requires a special multi-engine endorsement in order to operate them.
Do jet engines airplanes have a critical engine?
With the above mentioned answer, it is pretty much correct except for the twin engine aircraft. For the twin engine aircraft, the critical engine is the one that produces a thrust line closest to the fuselage. Example: if the twin engine aircraft is equipped with 2X engines which have the propeller rotating in a clockwise direction, then the left engine will be the critical engine. This is because the down going blade on the left engine will produce a line of thrust closest to the fuselage compared to the right engine's propeller. So it is safe to say that if the left engine fails, the aircraft will be harder to control because the thrust line produced by the live engine on the right side has a longer arm from the fuselage causing a higher moment wanting to yaw and roll the aircraft to the left which is harder to control compared to if the right engine fails, such as the Piper Twin Comanche aircraft. However, if the twin engine aircraft is equipped with counter rotating propellers, meaning, the left engine prop rotating clockwise and the right engine propeller rotating counter clockwise, then there is no critical engine, because both down going blades of the propeller produces a thrust line both equal in distance from the center of the fuselage.
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What is a twin engine airplane?
A twin engine airplane is an airplane which has two engines for the purposes of redundancy and/or performance. Twin engine aircraft are considerably more complex to fly than single engine aircraft, and so the FAA requires a special multi-engine endorsement in order to operate them.
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Do jet engines airplanes have a critical engine?
With the above mentioned answer, it is pretty much correct except for the twin engine aircraft. For the twin engine aircraft, the critical engine is the one that produces a thrust line closest to the fuselage. Example: if the twin engine aircraft is equipped with 2X engines which have the propeller rotating in a clockwise direction, then the left engine will be the critical engine. This is because the down going blade on the left engine will produce a line of thrust closest to the fuselage compared to the right engine's propeller. So it is safe to say that if the left engine fails, the aircraft will be harder to control because the thrust line produced by the live engine on the right side has a longer arm from the fuselage causing a higher moment wanting to yaw and roll the aircraft to the left which is harder to control compared to if the right engine fails, such as the Piper Twin Comanche aircraft. However, if the twin engine aircraft is equipped with counter rotating propellers, meaning, the left engine prop rotating clockwise and the right engine propeller rotating counter clockwise, then there is no critical engine, because both down going blades of the propeller produces a thrust line both equal in distance from the center of the fuselage.
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