[Alberg30] New Sail 2

[George Dinwiddie]

> Dave Terrell said:
> 
> Another question. Dacron
> last and lasts - ture, but how long in your experience does it maintain
> its original shape or at least keep a reasonable shape. I have dealt
> with "bagged out" dacron sails before and want to  get sails that will
> keep their shape as long as possible - given a reaonable expenditiure.

Dacron holds up very well if given good care.  The cause of "bagged
out" sails is using them in winds that are too high.  The too-high
force on the sail stretches the fabric.

Modern high-tech sails are designed to be stronger for a given weight.
This generally allows them to work over a slightly higher range of
winds while holding their shape.  When that range is exceeded, however,
they're likely to fail catastrophically.  That's why you don't see
stretched-out high-tech sails--they explode, instead.

 - George

-- 
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  When I remember bygone days                         George Dinwiddie
  I think how evening follows morn;            gdinwiddie at alberg30.org
  So many I loved were not yet dead,           http://www.Alberg30.org
  So many I love were not yet born.
                                            'The Middle' by Ogden Nash
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