Electric Fans.

[1mach1]

That would be much cooler.

Absolutely!
A B17 to sleep to! :yawn:
[video=youtube;52Qq1o1b1cg]https://www.youtube.com/watch?v=52Qq1o1b1cg[/video]

 

[jamespowers]

Absolutely!
A B17 to sleep to! :yawn:
[video=youtube;52Qq1o1b1cg]https://www.youtube.com/watch?v=52Qq1o1b1cg[/video]

Works for me..... snore.........

 

[Stearmen]

It is amazing on a long flight how the monotonic drone of a multiengine radial powered bomber will start to put you out! Of course, one little irregular sound and you are wide awake again. lane: