If a fully load jet take off, what's the % of engine power needed to keep flying at crusing speed?

Answer 1

In the CRJ, we typically will take off with anywhere from 85% N1 to 92%N1. This depends on the weight of the airplane, the airport, and the weather conditions. At cruise altitude, we can have anywhere from 95% N1 down to 75% N1 depending on weight and how fast we want to fly. Sometimes we do fly slower to conserve fuel.

Answer 2

That depends on the jet, the conditions, what "crusing speed" you are using, etc.. On a less powerful jet like most of the Cessna Citations, you may use "full" power in cruise. On something with a little more 'umph', it may be 80% or so, it all just depends.

I only have experience with a Citation SII, and in that gutless wonder, we typically use 106% N1 for cruise, which happens to also be the N1 limit. (don't ask me why 100% isn't the limit...) On a shorter flight, we may pull it back a little bit, and set a power based on a desired fuel flow, so it could be 95% N1 or something like that.

There are no definites in flying airplanes, it all just depends on what you're doing on that particular trip.

Answer 3

Too many variables here. What is your take off altitude? What are you flying? What is the power of your engines? What altitude are you at cruise? I am not sure how to answer this for you.. .sorry.

Answer 4

well it differs as u can rwefer to the technical manual or the FCOM in airbus AS I AM FLYING anyway it doesn't matter how much power u set the point is to maintain speed the power differs with the diffrent windheading and speed and out side air tempreture (OAT)

Answer 5

It really depends on the airspeed you want to maintain at whatever altitude you choose, the type of aircraft etc. There is no one answer to this question.