[PUP] Selen or Kadey Krogen?

[David Evans]

John,  Tim and Barbara,

This is a very important topic which I am actively debating ( with myself )
in fact I just sent a note to Scott Bulger to elicit his opinion
about the "necessity" of dry exhaust on a coastal cruiser. I was wishing
American Tugs could be ordered with  a Lugger, dry exhaust and a Nordhavn
gravity fuel system.  The gas powered boats I've owned were always having
trouble with the exhaust risers and it seems like a good idea in the long
run to keep salt water away from your metal engine parts. The fishermen have
been using dry exhaust for decades, altough I have heard  it argued that
this was merely the cheaper way to go.  However,  this would seem not to be
the case with a yacht. I best order the article and read what Dave Gerr has
to say. I am interested in your experiences too.

Thank-you

David E.
Poulsbo/Keyport, Wa.,
Currently in Glendale, Az.,
On Thu, Feb 19, 2009 at 10:19 AM, John Marshall <johnamar1101 at gmail.com>wrote:

> I stand corrected Tim.
>
> Perhaps the various wet exhaust boats I've been on didn't handle the
> exhaust correctly, but I could always smell a bit of burned diesel,
> especially with a following or quartering wind. (But none of them were
> wet-exhaust Nordhavns). Given we're pretty slow, the wind is often
> blowing from the back.
>
> Or maybe I'm just hyper-sensitive to the fumes.
>
> John
>  On Feb 19, 2009, at 10:00 AM, Tim Johnson wrote:
>
> > I take exception to John Marshall's comment re the
> > "uninhabitability" of the cockpit on wet exhaust boats.  I've owned
> > six wet exhaust boats of various types.  Those with the exhaust
> > exiting the stern through a flat transom can suffer from the
> > "station wagon" effect at higher speeds, resulting in exhaust fumes
> > being sucked back into the cockpit.  This can be unpleasant.  On my
> > last two boats, a Nordhavn 57 and 64, the exhaust exits at the aft
> > starboard corner through an outlet that is underwater at about six
> > knots.  The exhaust is thus swept back behind the boat and does not
> > come into the cockpit.  There is no exhaust odor in the cockpit.
> >
> > The wet vs. dry debate is endless.  For a thorough discussion of the
> > issue, I suggest Dave Gerr's article in the February/March and April/
> > May 2008 issue of Professional Boat Builder:  After weighing the
> > plusses and minuses of each choice, Gerr concludes:  "[M]y
> > preference is for wet exhaust on yachts and most small passenger
> > vessels.   I think the majority of boat owners will be happier
> > living with a wet exhaust."
> >
> >
> > Tim Johnson
> > M/V CLAIRBUOYANT
> > Nordhavn 64 #06
> > tim at timandclair.com
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