What does a Four Rotor sound like?

[corner-hard]

Seven Stock this year was incredible! The historical 787 and 792 made an appearance...

http://www.youtube.com/watch?v=_hJYJoKm-Dk&list=UUsNk741mQArzfezHvfiHB0g&index=1&feature=plcp

....yeah... its sweet music!

 

[Kona051]

How about another 2?

http://www.youtube.com/watch?v=WA9V0roB82I&feature=related

 

[corner-hard]

sweet!