User sophit

4 votes

Do carbon fiber wings need a wing spar?

answered yesterday

0 votes

Moment Created by an Airfoil and Stability

answered Sep 6 at 15:56

5 votes

Why does flow separation cause an increase in pressure drag?

answered Aug 29 at 20:43

4 votes

Why do commercial jets fly so high?

answered Aug 27 at 17:15

1 vote

Difference in location of the exhaust nozzle between F-35 and Saab Gripen

answered Aug 24 at 16:38

0 votes

Can a sonic boom occur in supersonic Mach number?

answered Aug 23 at 10:12

3 votes

Why does flow separation cause a loss of lift, considering the low pressure is the cause of lift above the wing?

answered Aug 20 at 18:55

2 votes

Accepted

Will the air be low pressure above an airfoil going less than Mach 0.3?

answered Aug 18 at 13:00

14 votes

What's the airplane with the smallest ratio of wingspan to fuselage width?

answered Aug 17 at 18:55

1 vote

What is the airspeed record for a helicopter flying backwards?

answered Aug 14 at 17:00

3 votes

How does the Sikorsky X2 technology rotor control blade pitch?

answered Aug 3, 2022 at 20:26

0 votes

Does a cyclic in a helicopter essentially control rotor attitude?

answered Jul 5, 2023 at 11:55

2 votes

Formula relating propeller torque to lift

answered Jul 25 at 13:27

2 votes

Accepted

Will a plane 'shake' when it stalls?

answered Jul 25 at 7:01

2 votes

How much energy per second would a nuclear reactor need to power a fighter jet?

answered Jul 24 at 12:42

0 votes

Why do similar Airbus and Boeing aircraft use different flap and slat mechanisms?

answered Jul 22 at 19:10

2 votes

What drives the mechanical challenges which make trailing-edge flaps an (almost) ubiquitous solution vs leading-edge flaps?

answered Jul 22 at 14:24

0 votes

How do swept back wings delay shock wave

answered Aug 26, 2023 at 21:04

5 votes

Did Concordes have de-icing boots?

answered Jul 19 at 7:01

2 votes

Are narrow propellers more efficient than wider ones?

answered Jul 12 at 19:00

1 vote

Accepted

References for lift and drag coeficient formula/values

answered Jul 10 at 18:47

0 votes

Given that the cabin is pressurized, I assumed that means sealed, how basically do airliners take in air (ie, for ongoing breathing, etc) when high?

answered Jul 10 at 19:17

4 votes

Is it pragmatic to use slats and flaps to maintain position of center of lift?

answered Jul 8 at 7:00

2 votes

What type of airfoil should be used for horizontal tailplanes?

answered Jul 8 at 21:20

2 votes

What's the optimal taper ratio for a commerical short/medium haul aircraft?

answered Jul 8 at 9:06

3 votes

Why do Electric Aircraft Seem to Eschew Photovoltaics?

answered Jul 5 at 15:07

1 vote

Accepted

How does lift depend on velocity in 3D?

answered Jul 2 at 12:19

1 vote

Is a Tandem more efficient than a Biplane?

answered Jun 30 at 18:13

0 votes

What is effective airflow?

answered Jun 30 at 9:43

1 vote

Does a longer wing produce same lift as a wider wing with the same total area?

answered Jun 28 at 2:50

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318 Answers

Do carbon fiber wings need a wing spar?

Moment Created by an Airfoil and Stability

Why does flow separation cause an increase in pressure drag?

Why do commercial jets fly so high?

Difference in location of the exhaust nozzle between F-35 and Saab Gripen

Can a sonic boom occur in supersonic Mach number?

Why does flow separation cause a loss of lift, considering the low pressure is the cause of lift above the wing?

Will the air be low pressure above an airfoil going less than Mach 0.3?

What's the airplane with the smallest ratio of wingspan to fuselage width?

What is the airspeed record for a helicopter flying backwards?

How does the Sikorsky X2 technology rotor control blade pitch?

Does a cyclic in a helicopter essentially control rotor attitude?

Formula relating propeller torque to lift

Will a plane 'shake' when it stalls?

How much energy per second would a nuclear reactor need to power a fighter jet?

Why do similar Airbus and Boeing aircraft use different flap and slat mechanisms?

What drives the mechanical challenges which make trailing-edge flaps an (almost) ubiquitous solution vs leading-edge flaps?

How do swept back wings delay shock wave

Did Concordes have de-icing boots?

Are narrow propellers more efficient than wider ones?

References for lift and drag coeficient formula/values

Given that the cabin is pressurized, I assumed that means sealed, how basically do airliners take in air (ie, for ongoing breathing, etc) when high?

Is it pragmatic to use slats and flaps to maintain position of center of lift?

What type of airfoil should be used for horizontal tailplanes?

What's the optimal taper ratio for a commerical short/medium haul aircraft?

Why do Electric Aircraft Seem to Eschew Photovoltaics?

How does lift depend on velocity in 3D?

Is a Tandem more efficient than a Biplane?

What is effective airflow?

Does a longer wing produce same lift as a wider wing with the same total area?