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Date Posted:23:08:06 11/01/2015 Sun In reply to:
's message, "Seamaster 30 Fuel consumption" on 00:48:21 30/12/2014 Tue
>Still looking to buy a boat fancy Seamaster 30 going
>to view some in New year. Seen 1990 Seamaster 30
>special commission it has twin Ford FSD 75hp engines.
>Cruising speed 6 knots using 6 6 Gal an hour at
>This seems a lot of fuel other 30's state under 1 gal
>an hour is this 1gal per hour realistic.
A good rule of thumb for a non-turbo diesel seems to be about 1 UK gallon per hour for 15-20 HP. The FSD 75 seems to be more towards 20 HP.
So at full chat, you might expect about 7.5 gallons an hour.
For cruising at 6 knots it would be considerably lower. My guess would be between 0.5 and 1 UK gallon per hour. If it is more than that, something is wrong - badly wrong.