At 02:09 PM 15/03/01 +1000, Mark wrote:
>>Peter
>>
>You obviously haven't flown an ASW 20 loaded with water!!!!
>span to tip flex ratio of the 20 would blow away your metal critter for
>wing bending.
>Mark
>
I have actually. But I only loaded it to the max allowable.
And, yes, the wing bending of our modern gliders is remarkable.
But a wing weighing a hundred kilograms or so, half-spanning 7.5 to 12
metres, bending some 12 or so feet is still not as structurally impressive
as a wing weighing several tons, half-spanning 30 or so metres, bending
nearly 20 feet.
The 747-400 series have fuel tanks out near the tips to increase the weight
of that part of the wing to reduce bending.
Good luck with your loaded ASW20. I hope you enjoy your wingtips
PENETRATING strong thermals.
Peter
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