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RoboKaren's user avatar
RoboKaren's user avatar
RoboKaren
  • Member for 10 years
  • Last seen more than a month ago
  • USA
95 votes
11 answers
61k views

Why do fighter jets still have guns/cannons?

71 votes
3 answers
18k views

Are we at peak speed efficiency for jet airliners at Mach 0.85?

67 votes
9 answers
37k views

Why does the US President fly in an obsolete 747-200?

40 votes
5 answers
12k views

Why are commercial airplanes painted at all?

33 votes
2 answers
7k views

Why did the Swiss International Air LX40 (a 777-300ER) emergency land at Iqaluit airport?

23 votes
2 answers
6k views

Why aren't modern helicopters quieter?

22 votes
2 answers
29k views

Do helicopter rotor tips regularly go supersonic?

22 votes
4 answers
37k views

What are the advantages of twin-fuselage aircraft?

20 votes
2 answers
3k views

What are the advantages of the NASA LEAPTech propeller on wing technology?

20 votes
1 answer
1k views

How can the Perlan II glider climb to 90,000 feet?

19 votes
3 answers
2k views

Was smoking banned because of passenger safety or occupational safety?

19 votes
5 answers
7k views

Could I build an airship (rigid dirigible) that used a vacuum rather than lifting gas?

18 votes
1 answer
10k views

Was the 727 the last airliner whose doors could be opened in flight?

17 votes
4 answers
24k views

Which airliners could survive an EMP pulse?

17 votes
1 answer
13k views

Why is JetBlue's IATA code B6?

16 votes
6 answers
11k views

Can the APU provide emergency thrust?

14 votes
1 answer
3k views

Which airplanes require two (or more) pilot/operators?

13 votes
2 answers
8k views

Why did my business class seat have a three point shoulder harness?

13 votes
2 answers
1k views

Is "secondary radar" a misnomer?

13 votes
2 answers
3k views

Can ekranoplans (GEV) be more efficient than traditional airliners?

12 votes
3 answers
7k views

Why aren't larger airliners such as the A380 more efficient than smaller ones?

10 votes
2 answers
6k views

Are non-military aircraft allowed to fly with no registration numbers (tail numbers)?

10 votes
1 answer
991 views

Why an external RAT on this early propeller plane at Charlotte?

10 votes
2 answers
3k views

Does the wifi uplink antenna affect aerodynamics or efficiency?

9 votes
2 answers
1k views

Does the ARCA hoverboard violate known limits on small-diameter electric fans?

9 votes
2 answers
1k views

Are there any contemporary advantages in favor of wing warping?

8 votes
1 answer
2k views

How does the Eurocopter Blue Edge and Blue Pulse rotor blade design work?

7 votes
1 answer
1k views

Is "lower pressurization" the correct term for the 787 Dreamliner?

6 votes
1 answer
659 views

How would a detachable cabin module work?

5 votes
3 answers
583 views

Could older airplanes be retrofitted with engines with chevrons?