Re: [RCSE] Pondering T-tails

[Dan Kitching]

Harley Michaelis has designed a really light horizontal stab for the Genie 
and Genie LT/S. I'm sure the design wouldn't be too difficult to work out on 
a T-tail, you'd just have to incorporate a control surface because the 
Genies' tails are full flying.

    Dan
 ----- Original Message ----- 
 From: Thomas Koszuta
 To: RCSE
 Sent: Friday, January 21, 2005 3:00 PM
 Subject: [RCSE] Pondering T-tails

 Ever notice that almost all sailplanes and commercial jets have T-tails. 
I have.  I think that they are the sweetest looking things ever put on 
sailplane.  (The pictures of the Diana just brought this to mind.)

 Pros:
     Look REALLY cool.
     More Efficient (anyone have the numbers of how much efficiency gain 
there is?)

 Cons:
     Heavy - require more nose weight
     Fragile - more moment to cause damage
 Other things I've been pondering:
     Are they less affected by downwash changes with flaps or spoilers?
     Any real slick ideas for making them really light to improve dork 
tolerance and overall abuse resistance?  Breakaway bolts?

 Tom Koszuta
 Western New York Sailplane and Electric Flyers
 Buffalo, NY 

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