All Questions
Tagged with flight-dynamics aircraft-physics
78
questions
-4
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2
answers
111
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In a straight and level flight if thrust is equal to drag how is aircraft moving forward?
If two forces are equal and acting in opposite direction should not the object remain stationary.
Is there an excess thrust which actually pushes the aircraft forward ?
- 21
2
votes
0
answers
89
views
Doubt in the Coriolis component of the net force acting on the aircraft
I dig a little and got to know that the force equation in 6DOF are nothing but a mathematical depiction of the fact that for a translating & Rotating body in 3D,The net force is the Translational ...
0
votes
1
answer
139
views
Yawing during turns
This is a question about aeronautics. Does an airplane yaw while it is turning?
8
votes
3
answers
5k
views
Flying upside down without feeling it
A friend of mine told me that several years ago she flew on a two-seats general aviation aircraft. She does not remember the exact model, but she remembers well that the pilot flew upside down for a ...
- 293
1
vote
1
answer
222
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How does elevator control effectiveness change with altitude/ air density?
Suppose an unpowered, rigid, mechanical, lightweight aircraft (e.g. sport glider) is descending at a steady glide in a constant trim (hands off) configuration in a standard atmosphere. The pilot ...
- 334
1
vote
1
answer
219
views
Why does bank angle have no effect on pivotal altitude?
Pivotal altitude is the height for a given ground speed at which the line of sight from the cockpit directly parallel to the lateral axis of the aircraft will remain stationary on an object on the ...
- 75
0
votes
2
answers
653
views
How does a zero g aircraft work?
In upward motion, drag and gravity is in the same direction (both in downward direction). So in this situation G is negative or less than 1 or something else?
In downward motion with thrust greater ...
- 109
0
votes
1
answer
125
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what is acceleration of gravity in free fall situation with air drag? [closed]
consider a ballistic missile in reentry trajectory with initial velocity of 1000 m/s. as missile enters the atmosphere, air drag decelereting its velocity so missile's acceleration becomes negative. ...
- 109
0
votes
2
answers
184
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Which one produces more lift?
I have come across this question on Twitter. I have found a similar question here. The aircraft isn't flying but just doing Cobra Maneuver. Since the direction of the lift is in the same direction and ...
- 1,567
7
votes
6
answers
3k
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What is the name of the effect that causes a plane in a dive to go up?
What's the name of the effect that causes the aircraft to automatically pull out of a dive and buffet up due to aerodynamic lift produced at high speeds?
- 71
-3
votes
4
answers
943
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How can ground speed be higher than airspeed? [duplicate]
I've heard that ground speed is higher than air speed when the plane is being pushed by wind wind. But how is this possible? Wouldn't your AirSpeed also increase since you're going faster?
- 6,484
1
vote
3
answers
1k
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Why does power go up with the cube of the airspeed?
If i have an airplane with over 100 kN of thrust, and i want to accelerate from a velocity at which drag force is 25kN to a velocity twice higher, is it possible that i wont be able to do this because ...
- 2,514
0
votes
3
answers
413
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Calculate Rudder Angle by Bank Angle [closed]
My question: Is rudder angle equal to bank angle? Or, does rudder angle has some relationship with ROT formula?
Below is my steps trying to solve this question.
Step 1: Found below graph from this ...
- 119
0
votes
3
answers
860
views
Calculate speed by turn angle and distance [closed]
I'm trying to combine two rate of turn formulas, which I found it online this and this.
The first is ROT = 1091 * tan(bank angle) / speed in knots
The second is <...
- 119
7
votes
2
answers
2k
views
G Load during payload drop
Some days ago I saw the accident of the airtractor that, just after a drop, suffered a spar failure in both the wings. Luckily the pilot survived.
If load factor in his simplest formula is:
n=lift/...
- 319