[Public-list] Inboard Replacement

[J. Brown]

There are several A30's with outboards, some famous (like Hull #1 and 
Jean-du-Sud) and some not so famous (like Bones). Each one of these used a 
different approach but seem to like the cost effectiveness, simplicity and 
extra storage space.  #1 has the outboard mounted in the lazarette or stern 
locker or so I have been told (haven't seen it myself, just a pic). It uses 
a fixed mount so the tailshaft is always in the water (I figure that is a 
negative) which might be OK (IMHO) if it didn't stick up past the deck. The 
hatch cover cannot be closed and I believe that #1 used a canvas cover to 
hide and protect the top of the motor. This mount would, it seems to me to 
be the best to address the problem of the prop coming out of the water in 
rough seas.

Jean-du-Sud used a side mount which hides quite well (better than I thought 
it would) but he still had problems with the prop coming out of the water 
and I figure no matter which side you mounted it on it would still get in 
the way sometimes. I have often wondered how this design would work if the 
motor was allowed to move up and down on the waves but a 100lb motor would 
need quite a bit of floatation and might just mean it gets swamped more often.

Bones has the outboard mounted on the stern and this seems to be easiest, 
quickest and cheapest solution. It would have a problem with the prop 
coming out of the water but if you don't motor in rough seas then you won't 
have a problem. Bones has not had any issue with the prop coming out of the 
water but having used outboards in the past I think they will at some point.

I would suggest trying the stern mount at first. That complete set up can 
be done for only a few hundred dollars (cheap used small outboard) and will 
get you in and out of most harbors. While under sail and docked the small 
motor can be stored in a locker. If you like the stern mount then spend the 
money on a more permanent set up with the Nissan (nice and light) or 
consider the stern locker (lazarette).

Here is a link to some of the research I've done on the topic. 
http://www.jb0713.com/sail/engine/comparingoutboards.htm

jb


At 12:52 PM 9/7/2005 -0400, you wrote:
>
>After screwing around for a few seasons with my old Gray Marine inboard, I
>am going to replace the engine with an outboard.  There are a few key
>reasons for this.  The first, is cost.  I estimate that a diesel conversion
>will cost around 8 - 10 thousand dollars and with grad school, kids braces,
>and life I can't afford that.  The second reason is ease of maintenance.  A
>new outboard is in my mind more reliable and more easily repaired - or taken
>to a repair shop - than is an inboard.  With all of that in mind, I now am
>struggling with the decision as to where to put the outboard.  One option is
>on the stern.  I don't like this because it is ugly and because I am worried
>about the prop coming out of the water and the engine swamping in high seas.
>The other option is to place the engine in the lazarette.  Some models of
>the Alberg 22 came with a well mount for an outboard as did the Sparkman and
>Stevens Yankee Dolphin.  I also recently read an article about a similar
>boat to the A30 having an outboard installed in the lazarette - see
>http://www.atomvoyages.com/projects/outboard.htm
><http://www.atomvoyages.com/projects/outboard.htm> .  The engine that I am
>looking at is a 9.8 hp Nissan extra long shaft.   My question is - has
>anybody in this group done this?
>
>John Manza
>#150
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