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fuel usage and performance of your boat

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skillpot View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote skillpot Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2012 at 9:48pm
Originally posted by The Black Pig The Black Pig wrote:

Need to get myself a lighter boat :(


or a bigger engine. your working it to hard to get good pace and its drinking fuel ten fold.

i heard the new quicksilver 640s are now rated to 150hp as alot of peeps have been sold them with a 90hp on the back and they are massivily underpowered.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hchawner Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2012 at 9:50pm
Beneteau Antares 8m (c 25ft)  with a Nanni T4.200 engine (200hp)
 
Run it at 3400 RPM at 17.5 knots (no tide)
 
Does about 2.4 litres per mile  (about 42 litres per hour at 17.5knots)
 
Works out about £2.60 a mile..... best to go with a mate to share the fuel costs! 
 
 
Hugh - Beneteau Antares 7.80 - "Sandpiper"
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The Black Pig View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote The Black Pig Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2012 at 10:13pm
I can never go at low revs I'm always to impatient to get fishing......and an engine upgrade would cost a bomb wouldn't it ?
Boat Name:    Graceful Sprinter
Type: Fairline Targa 47 GT
Location:        Hamble
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mitcheson View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mitcheson Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2012 at 10:19pm
merry fisher 925, yanmar yb 260
cruse at 3200 gives me 15 to 17 nts between 32-35lts hour pending on tide and weed,
flat out around 23nts dont look to hard but around 56lts per hour,
mind you is abit of a camper van on water but good in all seas,
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The Black Pig View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote The Black Pig Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2012 at 10:24pm
Jesus so warsash to your bass was around £150 in fuel ?
Boat Name:    Graceful Sprinter
Type: Fairline Targa 47 GT
Location:        Hamble
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skillpot View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote skillpot Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2012 at 10:28pm
Originally posted by mitcheson mitcheson wrote:



merry fisher 925, yanmar yb 260
cruse at 3200 gives me 15 to 17 nts between 32-35lts hour pending on tide and weed,
flat out around 23nts dont look to hard but around 56lts per hour,
mind you is abit of a camper van on water but good in all seas,


Yeah but it's more comfy than my house lol. Stunning boat.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hightower Quote  Post ReplyReply Direct Link To This Post Posted: 12 October 2012 at 12:33am
Osprey Vipermax 6.2m with 150 DI 2stroke with a 200ltr tank.

Cruising speed is about 28 knots and burns 35LPH
Top speed is about 40knots and burns 68LPH
Andy
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ekyone Quote  Post ReplyReply Direct Link To This Post Posted: 12 October 2012 at 7:05am
Originally posted by nitehawk nitehawk wrote:

I dread to think what his fuel consumption was with those two 300hp lumps on the back. lol.Big smile
27lt p/h @20kts ....ish. I also know that it is almost £1000 to fill the tanks from empty!!! Lovely boat though init
Sea Fox Charters
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mitcheson View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mitcheson Quote  Post ReplyReply Direct Link To This Post Posted: 12 October 2012 at 7:23am
about £120 to £150 per trip pendind on tide,
 
is that each lump al ?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowy Quote  Post ReplyReply Direct Link To This Post Posted: 12 October 2012 at 8:05am
The thing that comes across here with Mitchs' boat Black Pigs boat and Hughs' is that smaller engines in decent size boats have to work that much harder and consequently use more fuel.

The old QS 640s did come with a 90 horse Mariner on the back, I had one, and they were a dog so underpowered but that is all they were rated for at that time.
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