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Old October 13th 07, 04:59 PM posted to rec.aviation.soaring
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Default Cockpit crash protection design

Lange might do too - they say they use "F1 materials" for the cockpit
of the Antares.


The underlying point is that you want the safety cell - whether car,
glider or even train cab - to be extremely strong to resist collapse,
with deformable parts elsewhere to absorb energy and hence lower peak
G on the occupant.


To the contrary, Schleicher and the others have chosen not to use a
"safety cell" design. The nose would have to extend several feet beyond
were it does now to have sufficient crush distance, and they do not
believe pilots will buy such a glider.


Lange does use a crush zone, and it certainly did not
require "several feet longer fuselage" for Antares. See:
http://www.lange-flugzeugbau.de/htm/...0e/safety.html
The crushable nose-cone is a separate part from the
remainder of the safety cockpit, attached late in the
manufacturing. I'll try get some pictures on my
web site...

See ya, Dave "YO"