SV: Europa-List: Re: wing lift/drag pins - ADDITION

[Sidsel & Svein Johnsen <sidsel.svein@oslo.online.no>]

In my most recent posting, I wrote:

"...a glider is always going down, or rather gliding down - down relative to
the air mass through which it moves".  The exception is of course if using
the mass inertia of the glider for a short-duration movement up through the
air.  This is when the in-the-direction-of-the-centerline forward force on
the wing may exceed the opposite-direction wing drag component, and the
cross tie bar comes under tension, not compression.


Regards,

Svein