User jwzumwalt

56 votes

6 answers

26k views

Why do most radial engines use an odd number of cylinders?

asked Jan 3, 2018 at 14:42

49 votes

5 answers

12k views

Can a door be shut while in flight?

asked Aug 26, 2018 at 9:30

31 votes

2 answers

10k views

Has a commercial or military jet bi-plane ever been manufactured?

asked May 1, 2019 at 5:40

30 votes

8 answers

10k views

Why don't B747s start takeoffs with full throttle?

asked May 30, 2019 at 19:55

28 votes

2 answers

7k views

What is that device on an Su-27 pilot's helmet?

asked Jan 5, 2018 at 3:32

24 votes

1 answer

7k views

Exactly where can a stowaway hide in a wheel well?

asked Apr 3, 2018 at 11:20

23 votes

2 answers

5k views

Have any operational aircraft ever used over wing fuel tanks?

asked Jan 6, 2018 at 9:53

19 votes

1 answer

2k views

What is this old pusher propeller aircraft?

asked Mar 29, 2018 at 7:52

18 votes

3 answers

7k views

How much water is produced in jet exhaust?

asked Jul 5, 2018 at 9:33

17 votes

5 answers

1k views

Has an airplane ever been launched from a train?

asked Jul 2, 2018 at 12:37

16 votes

2 answers

6k views

How often do pilots fly drunk?

asked Jul 30, 2018 at 20:53

16 votes

5 answers

12k views

Why do most military aircraft use different engines than commercial aircraft?

asked Dec 17, 2017 at 9:19

16 votes

1 answer

6k views

What is the wear limit for tires?

asked Dec 27, 2017 at 0:44

15 votes

3 answers

2k views

What fighters have both 1 & 2 engine versions?

asked Jan 9, 2018 at 14:32

15 votes

6 answers

9k views

Why does the B-52 outboard engine nacelle have a sharp change in shape?

asked Jan 26, 2018 at 4:49

15 votes

4 answers

8k views

How do solo fighter pilots sleep?

asked Feb 1, 2018 at 7:26

12 votes

2 answers

5k views

Why must some aircraft get permission to start their engines?

asked Jan 2, 2018 at 15:26

12 votes

1 answer

3k views

Has a micro-burst or wind shear caused fatalities on takeoff?

asked Jul 29, 2018 at 21:26

9 votes

2 answers

773 views

Were there any folding wing biplanes?

asked Jun 13, 2018 at 6:39

9 votes

3 answers

1k views

Clearance limit of VFR practice IFR approach?

asked Apr 25, 2018 at 12:32

8 votes

1 answer

525 views

Is there a rule of thumb for spacing between jet engines?

asked Feb 28, 2018 at 17:38

8 votes

1 answer

2k views

Can a lost aircraft get a DF Steer?

asked Mar 7, 2018 at 15:28

8 votes

2 answers

5k views

What is this feature on a Sukhoi Su-27? [duplicate]

asked Jan 4, 2018 at 8:47

7 votes

2 answers

1k views

What instruments were "standard" in WWI aircraft?

asked Jun 1, 2018 at 5:56

7 votes

1 answer

4k views

How is a light plane's nose wheel straightened during retract?

asked Jun 11, 2018 at 8:13

7 votes

2 answers

877 views

Why is an auditory alarm necessary when the autopilot disengages?

asked Jun 30, 2018 at 9:08

7 votes

1 answer

819 views

Do airliner spoilers really "spoil" lift?

asked Jul 29, 2018 at 18:09

7 votes

4 answers

878 views

During VTOL landings, do Harrier pilots cut power before touching the ground?

asked Jun 1, 2019 at 22:35

6 votes

3 answers

450 views

Can airplane performance be increased by cruising "on step"?

asked Jul 12, 2018 at 0:33

6 votes

1 answer

3k views

What is the average weight difference between composite and metal airliners?

asked Dec 15, 2017 at 0:14

Stack Exchange Network

73 Questions

Why do most radial engines use an odd number of cylinders?

Can a door be shut while in flight?

Has a commercial or military jet bi-plane ever been manufactured?

Why don't B747s start takeoffs with full throttle?

What is that device on an Su-27 pilot's helmet?

Exactly where can a stowaway hide in a wheel well?

Have any operational aircraft ever used over wing fuel tanks?

What is this old pusher propeller aircraft?

How much water is produced in jet exhaust?

Has an airplane ever been launched from a train?

How often do pilots fly drunk?

Why do most military aircraft use different engines than commercial aircraft?

What is the wear limit for tires?

What fighters have both 1 & 2 engine versions?

Why does the B-52 outboard engine nacelle have a sharp change in shape?

How do solo fighter pilots sleep?

Why must some aircraft get permission to start their engines?

Has a micro-burst or wind shear caused fatalities on takeoff?

Were there any folding wing biplanes?

Clearance limit of VFR practice IFR approach?

Is there a rule of thumb for spacing between jet engines?

Can a lost aircraft get a DF Steer?

What is this feature on a Sukhoi Su-27? [duplicate]

What instruments were "standard" in WWI aircraft?

How is a light plane's nose wheel straightened during retract?

Why is an auditory alarm necessary when the autopilot disengages?

Do airliner spoilers really "spoil" lift?

During VTOL landings, do Harrier pilots cut power before touching the ground?

Can airplane performance be increased by cruising "on step"?

What is the average weight difference between composite and metal airliners?