sidsel.svein(at)oslo.onli Guest
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Posted: Mon Jul 01, 2013 7:37 am Post subject: SV: Re: wing lift/drag pins - ADDITION |
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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
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