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Old 30-09-2015, 12:26   #46
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Re: Can a Sailboat carry to much Fuel?

Originally Posted by mbuckner View Post

I found a 35' boat that has a 185 gallon fuel tank. Sailboatdata indicates that it came from the factory with a 33 gallon fuel tank.

Doing the following calculations:

33 x 7.25# = 239 pounds of diesel
185 x 7.25# = 1341 pounds of diesel

That's an increase of 1102#, before the boat is provisioned and crew get's on board.

How do you determine the safety factor, sailing it, etc, etc, before you buy it?

Any ideas and comments will be appreciated.

Best regards,

Perhaps someone is getting litres and gallons mixed up. 185 litres = 48 US gallons approx. That is still a lot of fuel if you picture a 45 gallon drum.

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Old 01-10-2015, 05:35   #47
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Re: Can a Sailboat carry to much Fuel?

Either there are two versions of the Cal 35, or Sailboat data is wrong, based on the first link I found (last link at bottom of my post). Two versions are not impossible, there are other Cals of the same length that Lapworth originally designed, then years later, particularly after Jenson marine closed and other companies took over the Cal line, another architect designed a completely different boat with that same length.

After more research, here is the Cal 35 Cruise from 1973. Very different, looks more like the Cal 2-46 motorsailor.
CAL 35 CRUISE sailboat specifications and details on

Compare to this fin keel boat of the same name minus the cruise part, listed as having a 33 gallon tank.
CAL 35 (1979) sailboat specifications and details on

Here is what looks like a brochure from Bangor Punta that says the 1973 Cal 35 cruise has a 170 gallon tank.

CAL 35 Yacht: The Extra 5 Grand Isn't For Extras

546 feet of sail. A full run keel. Sleek. Fast yet forgiving. And a spade rudder and wheel steering to make life a little easier. 170 gallon tanks and a full-power Perkins diesel with an 800 mile cruising range and a shoal draft that eases her into shallow inlets.

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Old 01-10-2015, 06:08   #48
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Re: Can a Sailboat carry to much Fuel?

Originally Posted by hamburking View Post
185 gallons would require 25 cubic feet.
Thats a lot of space on a 35' sailboat.
It's 700 litres, imagine 35 jerry cans around the deck.

What size is the engine?

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