It collects rainwater.

Cheers MC

Wally wrote:

Thom Stewart wrote:


A Shelf Main is a free footed sail in all respects. The shelf provides
nothing to the TRIM


So, what is the shelf for? I can see what it is, but not what purpose it
serves.


--
Wally
www.makearatherlonglinkthattakesyounowhere.com
Things are always clearer in the cold, post-upload light.