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Reduction in aircraft engine power
Why do pilots reduce aircraft engine power after takeoff
Why do pilots reduce aircraft engine power after takeoff?
Why do pilots reduce aircraft engine power after takeoff?
Image From: - Wikimedia
Do you know that after taking off aircraft pilots reduce engine power? Why do they do that?
First of all while taking off pilots do not move throttle stick directly from ideal to maximum take-off power. Pilots take a small pause before moving throttle stick to maximum take-off power. Pilots do that to ensure that all of the engines have started with equal power. Aircraft like Boeing 747 have big engines. Such a big engines produce very high thrust. Consider that you moved throttle stick directly to maximum take-off power. But due to some issue engines on one side of aircraft are producing more thrust that engines on the another side of the aircraft. This unsymmetrical thrust will produce a torque on the aircraft. So aircraft will take an unnecessary turn. Which can cause aircraft to move away from the runway. To avoid such a situation pilots take a small pause before moving throttle stick directly to the maximum.
Initially Pilot moves throttle stick to maximum take-off power. After climbing enough altitude pilot reduces aircraft engine power. And again restore it.
Most of the time airports are in the city area with a high number of residents. So after take-off just in few minutes aircraft is in the city area. And aircraft engines produce really very loud noise. That loud noise can be irritating for residents. To reduce that noise problem, at an altitude between 1000ft (0.3048Km) to 1500ft (0.4572Km) above ground level pilots reduce engine power. And after some time pilot again restores engine power.
And again reaching cruising altitude pilot reduces engine power up to certain extent. This increases the fuel efficiency of an aircraft.
Thank you for reading!
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