well, in simple mathmatic terms that is 8.43 miles per hour.
Assume some of the time was spent on the plane, or at higher speeds. Also, chances are the paddle wheel log wasn't working all the time as they get fouled up.
Say, roughly, 8 miles for every hour of engine running, disregarding time in harbour with engines ticking over..
Are the engines and hour meters original to the boat, or replacements?
Approx 18 hours a year doesn't sound like heavy use to me . Have you got a bargain ? Soemone will come along in a minute and talk about under-use of engines....
Well, You can eat your breakfast of the engine floor/Bilges, Yes I do think i Have a good buy but I had to wait a long time to find this boat and deal with the Owner.
The Broker says that the owner bought the boat many years back in the channel islands but gone off boating so brught boat back to Brighton and used as a caraven !
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344 hours on the engines it is a 1989 boat, Has it been used or what?
[/ QUOTE ] Low use ... not always good ... get that oil analysis ... have the turbo's checked by the surveyor if you can ... or get a mechanic onboard... The last thing you want now is a turbocharger that deceides to pack in! Run engines under load for longish period during trial run ... you need a couple of hours if the boat is not used often... nice gentle warm up, and up to cruise. Check that you get full RPM and that there are no blow by on connectors between turbo - intercooler - intake. Rev engines up (one by one) with no load, with hatches open, after the run and drop them down and stop... turbos should spin down quietly with no sound...
Take Oil analysis on warm engines after the trial run ( better as sedimets would not have settled in bottom of pan).
Sounds about right to me. The average on my boat is less than 10knots. Consider the amount of time you spend idling the engines in a marina or pottering at slow speed compared to how much time you spend on the plane and I guess that average is about right
Thats crazy low hours IMHO (As said above, not always a good thing) ... I've put up 120hours (boat does 33knots) in the past 4 months (Since i bought her) and i'm only a leisure user
My main concern would be the turbo's/seals. It may be worth your while getting a pro in to inspect
Presume its got cat 3208 in well give them a good run flat out to see if they overheat, make sure there is no paint burnt off the exhaust manifolds and the pipes leading to the turbo, that would indicate lack of coolant at some time, take the breather pipe out of the square air filter housing to see if it emits breathing smoke, could have sticking pistonrings, generally
a good old reliable lump but thirsty compared to equivalent hp volvo etc. Good luck.
I would agree with a recent article in MBM regarding high hour boats, in that they are more reliable, (if serviced). Low useage is very bad and increases /forums/images/graemlins/ooo.gif the chances of un reliability.