Linked Questions

3 votes
3 answers
2k views

Does adding high thrust prevent a plane from stalling?

I am convinced that fighter jets (every flying object) do stall. So from quora, Why don't fighter jets stall? But most of the fighters have thrust:Weight ratio > 1 which means that they are not ...
Auberron's user avatar
  • 1,567
1 vote
3 answers
648 views

Can plane climb without increase pitch angle?

As I know plane climb "with nose up", but can plane climb without change pitch angle? Can I force plane to climb like this: If I fly in straight level flight at 100km/h and now increase ...
user avatar
-2 votes
3 answers
259 views

Can one trim same AOA at a higher airspeed to climb? [closed]

There has been some discussion in recent questions regarding climbing technique and optimization of the Lift vector (and the resultant vertical Lift vector). Some writers claim the lift vector must ...
Robert DiGiovanni's user avatar
1 vote
2 answers
4k views

What happens at the wings when the yoke is pulled backwards?

What happens at the wings and vertical stabilizers when the yoke is pulled backwards or forward on typical airliners like the Boeing 747-800. Is it any different for smaller similarly shaped aircraft ...
securitydude5's user avatar
19 votes
1 answer
3k views

How frequent is the use of spoilers during descent?

Having flown a number of flights as a passenger recently, I observed that: Roughly 50% of pilots used spoilers above FL180 Almost everybody used spoilers to pass the 10,000 feet / 250 knots mark ...
kevin's user avatar
  • 39.8k
6 votes
1 answer
454 views

Can this vane prevent/delay wing stall?

Given that a stall results from the airflow over the top of the wing separating from the wing at high angles of attack, would it be possible to prevent, or at least ameliorate, a stall by deflecting ...
Vikki's user avatar
  • 28.4k
4 votes
1 answer
623 views

Is all the extra lift from flaps added upstream where the spars sit?

Flaps can significantly increase the lift for a wing, is all that extra lift added upstream where the spars sit? I ask this question because the flaps in airliners seem to be only connected by a few ...
Mridul's user avatar
  • 1,222
3 votes
1 answer
894 views

Does angle of attack change in a sustained climb?

I saw this question on a closed Facebook group, generating wildly differing answers. So I thought I would ask it here. You're in a C172 flying straight and level at 5000 feet and 100 knots IAS. You ...
Ben's user avatar
  • 14.5k
3 votes
1 answer
1k views

How to calculate the lift starting from the vertical speed?

Is it possible to calculate the lift of an aircraft knowing its speed (IAS,TAS and GS), its vertical speed, its altitude and its weight? Because if we look at the force of an aircraft in flight: the ...
Afe's user avatar
  • 1,501
2 votes
1 answer
3k views

How does angle of attack vary during climbing flight?

I'm a little confused by the angle of attack of an aircraft during climbing flight. Suppose you have an aircraft in level flight which then rotates to some angle x. Just after rotation, I would assume ...
imveryconfused's user avatar
0 votes
1 answer
176 views

FAA's Airplane Flying Handbook says more lift is necessary during a climb. Isn't it the opposite? [duplicate]

"If a climb is started from cruise flight, the airspeed gradually decreases is the airplane enters a stabilized climb attitude. The thrust required to maintain straight-and-leve flight at a given ...
Hitomhi's user avatar
  • 349
0 votes
1 answer
260 views

Zenith-Add horsepower, NASA-add drag: to create lift. How is this possible?

Available horsepower and adding drag to an airplane both create extra lift? How is that possible? Available Horsepower According to the Zenith, available horsepower not used to overcome form drag ...
Fred's user avatar
  • 1,313
0 votes
1 answer
537 views

Can an airplane lift off the ground when lift is equal to weight? [duplicate]

Can a plane lift off the ground at the point when there is the same amount of lift as weight? Or does lift have to be greater?
tainehu's user avatar
  • 197
0 votes
1 answer
1k views

What are the opimum values of Cl during descent?

Statistical Analysis of A320 aircraft shows the Cl values to be as under: cl_value. L is assumed to be 0.5*MaximumLandingWeight of A320 as the Aircraft is about to land. The Units used are: Flight ...
Nooradila Noordin's user avatar
0 votes
1 answer
3k views

How comes lift is less than weight on take-off? [duplicate]

If $$lift=weight * cos(angle)$$ this means that lift is less than weight during takeoff. Could someone please explain me why it is so
VISHAL's user avatar
  • 21

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