Thanks for the advice Jon. I'll ask her. I've never used one
so I'd like to learn from an expert.

Bart

Capt. JG wrote:
Hey.. you might want to ask Peggy Hall on rec.boats.cruising. She's the
defacto expert.

--
"j" ganz @@
www.sailnow.com

wrote in message
ups.com...
What are the advantages?
What are the disadvantages?
What are the thru-hull and other unquie requirements for such heads?