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Winch Launch - Fatal



 
 
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  #22  
Old December 14th 16, 09:19 AM posted to rec.aviation.soaring
Jim White[_3_]
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Posts: 286
Default Winch Launch - Fatal

At 01:59 14 December 2016, wrote:

Don, you brought up the old pitch-up myth so I'll go there.

Pitch-up on acceleration can only happen with the tailwheel in the air

and
=
that can only happen if the glider is slowly dragged into the air with
feeb=
le acceleration and THEN strong acceleration applied. It can't happen if
s=
trong acceleration is applied at the very start of the ground roll and
main=
tained until the glider reaches the normal airspeed for rotating into the
c=
limb.

I could go on at length about this but I wrote a long paper on it
available=
here
https://dl.dropboxusercontent.com/u/...celeration.pdf
Rather
=
than take my word for it, I very strongly suggest the BGA and other
nationa=
l clubs do their own investigation using tension loggers. What you will
se=
e may terrify you.


Hi Bill. If you follow URAS you will see that Don, whilst old and wise,
doesn't speak for the UK gliding community.

 




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