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Old 24 March 2011, 05:30   #21
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Boat name: Seawolf
Make: Osprey Vipermax 5.8
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I was out yesterday and discovered a "sweet spot" in the E-TEC fuel economy with a particular combination of RPM and trim - at 3500rpm, 32% trim and 28 knots I was achieving ~ 1.2 nm per litre (about 1.38 miles per litre for those not using real money ) which I was very pleased with on a 150hp outboard

Diesel would be much cheaper (not much more than half the cost of petrol here) but the initial outlay was a non starter for me and I doubt whether the payback period would have been less than 10 years.
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Old 24 March 2011, 05:41   #22
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red?
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Old 24 March 2011, 12:32   #23
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well, the diesel here is about 1,3 a litre
and the regular petrol about 1,2

But in the archipelago (summer) its about 10-15% more expensive.
But if the US$ gets on its feet, I dont want to think about it (10-20% more? no thank you!)

but hey is pretty cheap too, to bad I have a rib(cant afford another one), otherwise I'd come looking for a searider or similar 4+meter
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Old 24 March 2011, 18:03   #24
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Country: UK - England
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i get the increased cost of diesel setup when new but we bought our boat second hand. we got our boat for less than a similar spec outboard boat.

Now we are missing about 6 kts top end on them but im happy to get there a little later for all the other benefits we have!!

What i really like about the diesel is the huge amount of space on top of the engine cover and lower CofG which means at rest, the boat is more stable. means my beer doesnt fall off the table when we are sat at East Head in the sun!!

will be taking Charlie Brown to the fuel berth tomorrow. recon its going to cost me about 120 quid to top it up and based on last seasons figures we were running at a fraction over 1.1L per mile which i dont think is bad for a 9 meter Rib with 250 HP Diesel and a mixture of running from rough as hell to pottering up the Hamble.

would i swap.... not this year!
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Old 27 March 2011, 11:23   #25
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One thing worth considering maybe but not sure whether applies in other countries, but in the Netherlands insurance for an inboard rib is considerably less than it is for a same size boat with an outboard engine...in my case about 250 litres of diesel a year less at todays fuelprizing....
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Old 27 March 2011, 13:46   #26
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One thing worth considering maybe but not sure whether applies in other countries, but in the Netherlands insurance for an inboard rib is considerably less than it is for a same size boat with an outboard engine...in my case about 250 litres of diesel a year less at todays fuelprizing....
Now that's interesting, I had never thought to consider affects on insurance. Has anyone from the UK had a similar experience with their premium?
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Old 27 March 2011, 14:18   #27
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I have no idea but it certainly makes sense - less chance of a fuel fire and very difficult to pinch off the boat
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Old 28 March 2011, 06:25   #28
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I have no idea but it certainly makes sense - less chance of a fuel fire and very difficult to pinch off the boat
especially the 'pinching part' is considered a huge risk by the insurance companies.
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Old 30 March 2011, 16:05   #29
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i'm not going to go on about this one, i'll just say, it's cheaper to run my cabin rib than my sr4 with a 40hp on
There are even cheaper options

<<<<<<<<<<<<<<<<<<<<<<

At cruising speed we use about a red can full to reach France.
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Old 30 March 2011, 16:10   #30
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There are even cheaper options ..............
At cruising speed we use about a red can full to reach France.
Not if you include all the meals you consume on the way...
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