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Old 20 May 2016, 03:55   #11
Country: UK - England
Town: Sussex
Boat name: Bombard, Y-162
Make: Aerotec 380, Y-Class
Length: 3m +
Engine: Mercury Mariner 15hp
Join Date: Jul 2010
Posts: 2,500
Originally Posted by jonp View Post

Take a look here to get an idea on different outboards burn rate at different rpm, to get these figures an engine needs to reach its maximum rpm (be correctly propped).Liters | Mercury - Evinrude - Yamaha - Suzuki - Honda - Tohatsu - Outboard Fuel Consumption per Hour LPH you can select litres or gallons etc.


With small SIBs and small 2 strokes IMHO tables are all very well but you're probably better off going with real world, mixed use, actual figures from owners on here.

Max... is offline   Reply With Quote
Old 20 May 2016, 07:32   #12
Country: UK - Scotland
Length: 5m +
Join Date: Jul 2012
Posts: 62
I would recommend doing longer trips offshore in the company of other boats, it is far safer and you can learn a lot from others, get a tow if required etc.

Regarding the SIB and engine, I would probably consider a min. 4m boat with a modern 4 stroke outboard. They are very fuel efficient and quieter for longer trips. A SIB is a very seaworthy boat but you will not be able to maintain a high speed comfortably and safely in anything other than calm seas. Long rolling swells are better than short, steep chop.

I have done some very long coastal trips in 4m+ SIBs packed with a lot of camping gear. Everything must be stowed securely... we used a cargo net combined with waterproof bags which worked very well. We carried separate 25l fuel tanks to extend the range.

Going further offshore is another matter and it needs proper preparation and planning. Keep in mind your distance from a safe haven should your engine fail, the weather get worse than forecast etc.

SixtyNorth is offline   Reply With Quote


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