User Brinn Belyea

3

9

votes

1

answer

9k

views

Why is a higher bypass ratio more efficient at lower speeds?

jet-engine

Jul 28 '14 at 5:45 Jan Hudec 49.4k

2

14

votes

6

answers

9k

views

What are the advantages of single vertical stabilizer over a twin set?

aircraft-design aerodynamics

Mar 12 '18 at 19:50 Community♦ 1

3

14

votes

5

answers

8k

views

Why are geodesic airframes no longer produced?

aircraft-design airframe

Dec 23 '17 at 6:56 John Frazer 301

8

votes

1

answer

7k

views

Why is magnesium not used more often as a structural metal in aircraft?

airframe

Aug 16 '16 at 21:53 Community♦ 1

7

votes

2

answers

7k

views

How can the Airbus A380 have such a high lift/drag with a relatively low aspect ratio wing?

aircraft-design

Aug 24 '15 at 13:40 ROIMaison 5,483

2

13

votes

9

answers

7k

views

What was the purpose of the “tail prop” on the Ilyushin Il-62 and why was it necessary?

aircraft-design il-62

Jul 28 at 16:45 Bernd 81

19

votes

2

answers

7k

views

Why is it said that the Tupolev Tu-144 had superior aerodynamics to the Concorde?

aircraft-design concorde tu-144

Nov 15 '19 at 21:02 Community♦ 1

1

12

votes

3

answers

3k

views

Why are twin engine airliners more fuel efficient than three or four engine airliners?

jet-engine

Oct 3 '15 at 15:56 Brian Drummond 1,228

2

3

votes

2

answers

3k

views

What are the advantages of a Pelikan tail compared to a V-tail?

aircraft-design aerodynamics

Dec 31 '15 at 10:51 Community♦ 1

15

votes

1

answer

3k

views

How much thrust was provided by a typical Meredith Effect radiator?

aerodynamics

May 16 '15 at 22:56 ROIMaison 5,483

1

12

votes

1

answer

2k

views

Was the Hughes H-4 Hercules capable of flying out of ground effect?

aircraft-performance aviation-history

Aug 18 '17 at 10:49 Peter Kämpf 198k

5

votes

4

answers

2k

views

Why are combi airliners no longer being built?

aircraft-design airline-operations regulations

Jun 7 at 19:22 Glorfindel 629

1

6

votes

3

answers

2k

views

Can the thrust of a turbofan be increased by increasing bypass ratio?

jet-engine

Mar 8 '15 at 9:17 Community♦ 1

17

votes

2

answers

2k

views

Why did upward turning propellers in the F-82 Twin Mustang cause a loss of lift in the center wing section?

aircraft-design aerodynamics

Jul 29 '18 at 14:47 Gary McKirdy 1

1

12

votes

2

answers

2k

views

Is there any application where the crescent wing would be the best wing planform?

aircraft-design airliner wing

Dec 31 '17 at 15:25 ymb1 97.7k

1

4

votes

3

answers

2k

views

What advantages are provided by an unstable canard configuration for fighters?

aircraft-design flight-controls

Oct 7 '15 at 20:36 Community♦ 1

1

5

votes

4

answers

1k

views

What is the fundamental physics behind L/D decreasing as AoA increases beyond the optimal point?

wing lift

Jul 15 '16 at 9:17 Community♦ 1

4

votes

1

answer

1k

views

Which type of control gives a more agile missile, tail or canard?

flight-controls

Feb 14 '15 at 18:29 Peter Kämpf 198k

4

votes

1

answer

890

views

Why do lower molar mass rocket exhaust products give higher specific impulse? [closed]

fuel

Apr 8 '19 at 8:42 dotancohen 5,746

3

votes

1

answer

808

views

Why did the Boeing 787 design change shape from the original renderings to the actual design?

aircraft-design

Apr 17 '16 at 15:48 Timpanus 2,623

3

votes

1

answer

690

views

Why does the Canard Rotor Wing use a Canard?

aircraft-design aerodynamics helicopter

Dec 17 '15 at 0:20 aeroalias 95.4k

8

votes

1

answer

602

views

Why did the Daimler-Benz DB 605 compression ratio vary between cylinder banks?

piston-engine

Oct 13 '18 at 22:52 Daniele Procida 12.4k

0

votes

1

answer

490

views

What is the maximum Mach number for a titanium aircraft? [closed]

airframe

Nov 23 '15 at 16:06 Peter Kämpf 198k

1

2

votes

1

answer

393

views

Could the Cruise-Efficient STOL configuration be as efficient as a conventional airliner?

aircraft-design stol

Feb 24 '19 at 13:50 Rodrigo de Azevedo 1,084

5

votes

1

answer

304

views

Why is it advantageous to vary sweep angle with relative thickness?

aircraft-design

Aug 21 '15 at 13:01 Community♦ 1

Stack Exchange Network

current community

your communities

more stack exchange communities

Next badge

25 Questions

Why is a higher bypass ratio more efficient at lower speeds?

What are the advantages of single vertical stabilizer over a twin set?

Why are geodesic airframes no longer produced?

Why is magnesium not used more often as a structural metal in aircraft?

How can the Airbus A380 have such a high lift/drag with a relatively low aspect ratio wing?

What was the purpose of the “tail prop” on the Ilyushin Il-62 and why was it necessary?

Why is it said that the Tupolev Tu-144 had superior aerodynamics to the Concorde?

Why are twin engine airliners more fuel efficient than three or four engine airliners?

What are the advantages of a Pelikan tail compared to a V-tail?

How much thrust was provided by a typical Meredith Effect radiator?

Was the Hughes H-4 Hercules capable of flying out of ground effect?

Why are combi airliners no longer being built?

Can the thrust of a turbofan be increased by increasing bypass ratio?

Why did upward turning propellers in the F-82 Twin Mustang cause a loss of lift in the center wing section?

Is there any application where the crescent wing would be the best wing planform?

What advantages are provided by an unstable canard configuration for fighters?

What is the fundamental physics behind L/D decreasing as AoA increases beyond the optimal point?

Which type of control gives a more agile missile, tail or canard?

Why do lower molar mass rocket exhaust products give higher specific impulse? [closed]

Why did the Boeing 787 design change shape from the original renderings to the actual design?

Why does the Canard Rotor Wing use a Canard?

Why did the Daimler-Benz DB 605 compression ratio vary between cylinder banks?

What is the maximum Mach number for a titanium aircraft? [closed]

Could the Cruise-Efficient STOL configuration be as efficient as a conventional airliner?

Why is it advantageous to vary sweep angle with relative thickness?