PPRuNe Forums - View Single Post - Why are Helicopters with the Flettner-System so slow?

1st November 2006 | 01:27

#18 (permalink)

NickLappos

Joined: Apr 2003

Posts: 3,012

Likes: 1

From: USA

Dave,
As predicted, the HP drops as Ct/sigma rises to .12 If you keep running the Ct/sigma up, the power will start back up again.
Note that the 1 foot chord at Ct/sigma of .12 uses about 9% less power than any of the other cases use.

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