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Old 14 July 2013, 15:52   #1
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Country: UK - England
Town: Doncaster
Boat name: Hustler
Make: Humber
Length: 5m +
Engine: 90 etec
Join Date: Dec 2012
Posts: 197
Yamaha 50 hp autolube fuel consumption

Hi can anybody advise what sort of distance I could get from my 5 meter rib with a 50 hp two stroke autolube yam on the back.Its got a 40 ltr inbuilt tank and a 30 ltr back up.If it was used at half to full throttle most of the time I'm just after an estimate as I know this is a crazy question any help would be appreciated.Oh it will be carrying two adults and three kids.

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Old 14 July 2013, 16:07   #2
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Country: UK - England
Town: Southampton
Boat name: Hissing Sid
Make: Ross Smith Cobra
Length: 6m +
Engine: 200HP Optimax
MMSI: 235038046
Join Date: Jun 2002
Posts: 3,804
I had a tornado 4.8 with a yamaha 50 on the back. The 33L tank used to last about 40 - 50 miles depending on how I drove the boat.
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Old 14 July 2013, 17:10   #3
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Country: UK - England
Town: Doncaster
Boat name: Hustler
Make: Humber
Length: 5m +
Engine: 90 etec
Join Date: Dec 2012
Posts: 197
Cheers should have a decent capability with 70 litres then. :-)

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Old 15 July 2013, 13:38   #4
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Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
Posts: 4,671
I get 0.8L/Nautical mile on avearage, but "budget" for 1!

If you got Power trim the engine's trim position will affect the consumption considerably - I was cruising in company recently with a similar set- up boat (5m / 60HP) that was trimmed right in - they drank 25L in the time it took me to drink C.16.....
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Old 15 July 2013, 23:25   #5
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Country: UK - England
Town: Doncaster
Boat name: Hustler
Make: Humber
Length: 5m +
Engine: 90 etec
Join Date: Dec 2012
Posts: 197
Hi thanks for that I'm on the west cost of Scotland at the beginning of August on loch Sunart so I should get a better idea. :-)

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