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Old 23-03-2010, 06:07   #1
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Fuel Consumption - 24hp Perkins

i am delivering a cape dory 33 from hawaii to australia,belive it has a 24 hp 3 cyl perkins in it was just wondering if any one has recorded the exact fuel consumtion on similar or same vessel or same engine?
any input greatly appreciated,as vessel only has 21 gal/95 l capacity tank.
this at 2l/hour only gives 48 hrs motoring,and have to cross the itcz,so probably need about 4-5 days fuel.
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Old 23-03-2010, 06:43   #2
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Suggest you take some cans of fuel - About 2l per hour is what I would reckon on
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Old 23-03-2010, 07:06   #3
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Perkins Fuel

I had a perkins aboard my 36. I got awesome rates. If I kept the engine at 1650RPM's it would run at near 8 or 9 knots. I could run from 6:AM to 5PM and could not dump 5 gallons in the daytank. If I run the RPM's up I could burn near a gallon an hour or more. It is a very ecconomical engine if you don't have to push it. If you are pressed for time you have to pay to go faster. 24HP says go slower and enjoy the trip. Don't forget you fishing gear. Take your time and enjoy!
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Old 23-03-2010, 07:12   #4
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Nice trip! Yes, that size engine moving at some moderate pace, 2l per hour is a good enough estimate. Plan your water too, you may be out there for a while. Should be fun.

Some WX routing service might be able to help pick an ITCZ cross point, might help.
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Old 23-03-2010, 07:32   #5
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yes will probably, carry another 150l in cans and 100 li water and rain catcher.
time before last,panama -marquesas it rained so much crossing itcz we arrived with tanks nearly full and ive never seen the decks so clean!!!!!
probably will stop in funa futi tuvalu,then port vila so should be okay,as long as the wind is not fickle,can all ways head more south to increase boat speed,but never been to tuvalu.........
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Old 24-03-2010, 03:45   #6
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Think 2per hr unlikely,closer to .5.Have 30 hp west.had per 4-108 got .5 1600rpm on 37 gulfstar.marc
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Old 24-03-2010, 04:11   #7
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yes you could be right,last year delivered 43 ft beneteau with 53 hp and averaged just over 2.2 lph on tickover,1300-1500.

problem is my first leg is 2340 miles to tuvalu to find out.
any body sudgest a secluded bay to to leave hawaii from so i can do a shake down from kona?
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