How to Determine Auxiliary Diesel Range? - Page 4 - SailNet Community
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post #31 of 34 Old 02-04-2009
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Sailboats often travel by raising their sails and using the wind for propulsion. It seems crazy to me to carry enough fuel to motor across an ocean in a sailboat. Motoring is a power boat thing. A sailboat makes a very poor powerboat. Way to much drag from the keel and way to much windage from the mast. Instead of worrying about carrying a lot of fuel it might be better to carry more food and water. What would you do if you had engine trouble???
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post #32 of 34 Old 02-05-2009 Thread Starter
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MoonSailer,

I agree with half your premise, that is sail when you can... pretty obvious though.

However, maybe one's passage plan to use the trades or to cross between gyres pans out poorly (stuff happens). Bring lots of food and water... Ok. Good advise. Additionally, how about a cruiser with tankage that gives it great auxiliary range when the wind is adequate, infinite range when the wind is pure and emergency range when the wind is nothing or hard from the wrong quarter. How would that sound to an offshore sailor? This all assumes the food and water were not pushed overboard to make room for the fuel.

Just asking.
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post #33 of 34 Old 02-05-2009
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The engine is also used for maneuvering, power generation, and either motor-sailing to make three knots turn into five, or to make a ride in leftover slop easier. It's also possible to use the motor aggressively in heavy weather to keep a boat oriented the right way down or up waves.

Lastly, some places the diesel is like it's from a First-World refinery, other times it's hand-siphoned from a filthy barrel. It's preferable to carry more of the first type and less of the second when possible.

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post #34 of 34 Old 02-05-2009
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I remember being impressed with the DownEaster 33, capable of 1000 miles under motor, one tank, nursing the motor to conserve fuel.
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