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Old 17 December 2009, 17:54   #1
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Country: UK - England
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fuel consumption

im thinking of doing i.o.m cruise. how much fuel will i need if crossing in 5.2 rib with 70hp engine, say from conway,cheers.
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Old 17 December 2009, 18:20   #2
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Country: UK - England
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I usualy work on a liter a mile, for a 5.5m with a 90 opti, probably abit cautious but better to have too much than too little. From conway its about 60 miles each way so you are looking at carrying around 60 plus your reserve fuel, so about 90L in total each way.

This would be worked out on how much I would take, so at a guess and only a guess I would say yours will use about 0.75L per mile so 45L pluss reserve fuel.
I hope this gives you some idea.
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Old 17 December 2009, 18:37   #3
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Country: UK - England
Town: Manchester
Boat name: "mr Jingles"
Make: Ribcraft
Length: 5m +
Engine: 130 Etec
MMSI: 235074968
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Quote:
Originally Posted by Dave P View Post
I usualy work on a liter a mile, for a 5.5m with a 90 opti, probably abit cautious but better to have too much than too little. From conway its about 60 miles each way so you are looking at carrying around 60 plus your reserve fuel, so about 90L in total each way.

This would be worked out on how much I would take, so at a guess and only a guess I would say yours will use about 0.75L per mile so 45L pluss reserve fuel.
I hope this gives you some idea.
thanks for the info dave
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Old 20 December 2009, 07:17   #4
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Quote:
Originally Posted by hadd View Post
im thinking of doing i.o.m cruise. how much fuel will i need if crossing in 5.2 rib with 70hp engine, say from conway,cheers.
Based on the info you have provided.

Regardless of boat weight and speed
  • 2 stroke at full throttle- 23-24 litres per hr
  • 4 stroke at full throttle- 16 litres per hr



Reduce throtlle accordingy and consumption will reduce. Without knowing the boat/weight/sea state etc I would guess that you could get a reasonable cruising speed with about one third better consumption that the 2 figures above. You will know already what sort of speed you can cruise at.
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