It boils down to your preferences:
Outboard:
- can help in tight spots (as many said - it can be used almost as a stern
thruster)
- easier to maintain - lift it off and take it to a place where they will
fix it or do it in the comfort of your garage. Access is substantially
easier.
- no holes in the hull
- limited HP. You will probably go for a 9.9 HP. For a 27 ft. boat, I would
like to have more. On my 27 ft. boat I have 18 HP (diesel).
- cavitation in waves - the more you need the motor (e.g. in a stormy
situation) the less power it delivers; On my C&C 24 with outboard, the prop
was out of the water regularly in under 3 ft. waves.
- difficult control - unless you make proper modifications and have the
motor controls at the pedestal (or if you have the tiller, inside the
cockpit) you will have a fun time steering and adjusting revs and
fwd/reverse behind you. Can be done, but it is tricky (at least different).
- reverse is only so-so (the hanger is designed for pushing the boat, not
pulling)
- hangs off the stern (protrudes farther back, limits where you can have a
swim ladder, adds weight behind)
- limited capacity of the alternator for charging batteries
Inboard:
- out of the way (where it belongs)
- usually quieter
- usually more HP, plenty to spare for rough conditions.
- much better ability to run a alternator to charge your batteries
- ability to have warm water (if you have a heater) - maintenance more
complex and substantially more expensive
- you have to deal with through-hulls (raw water), exhaust, muffler, heat
exchanger, mixing elbows etc.
- you have a packing gland or dripless seal around the shaft to deal with
Having moved to a inboard power boat 2 years ago, I would not go back, even
if I am getting frustrated at times at the more maintenance and more
difficult access. I never maintained my outboard myself; it was easy enough
to drop it off at the Yamaha dealer; and it was cheap. Now I do all my
maintenance myself (very few mechanics would want to drop by and if they do,
it costs a lot). I can't say I save money, but it requires more time and I
have to learn new skills (and made a few mistakes).
YMMV
Marek
-----Original Message-----
From: Paul and Darlene Clarke via CnC-List
Sent: Monday, August 04, 2014 1:28 PM
To: cnc-list@cnc-list.com
Subject: Stus-List Thoughts on repowering with outboard
My wife and I are beginning to think it may be time to convert our C & C 27,
which we’ve had for 5 years, to a transom-mounted outboard engine from its
original (1972) Atomic 4. Any listers have experience with a project like
this, advice, or suggestions? The boat is sound, of course, as is the rig
and sails, but the A4 engine is requiring infusions of $$ every year, and is
not reliable. Every year we’ve been scuppered, and I want reliability
without the cost of a new inboard… hence the idea to try the outboard route.
Thoughts?
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