At 11:23 AM 08/09/2001 -0500, James Wood wrote: 

<excerpt>I’ve heard that plans exist for making a roller furling out of 
PVC – does anyone here have these plans?  I purchased a Columbia 41 and
it came with a 120 jib for a roller system – the sail has the cable in it
but the boat did not come with the drum (the bottom part of the 
system).

James B. Wood Ph.D. 

</excerpt>

This sounds more like a foil head stay.  A lot of the " go fast" types 
have

a slotted foil that the sail is fed into like a furling head stay.  The
theory 

is smoother air flow over  leading edge of the sail. and if there a two
slots 

then sail changes can be made faster by putting the new sail up before
the 

old sail is dropped.

Geoff
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