spNOam Posted February 12, 2007 Report Posted February 12, 2007 Anyone know how you calculate the 'cruising endurance' There must be a scientific answer to this..... Quote
Adam F Posted February 12, 2007 Report Posted February 12, 2007 Cruising Endurance - I guess, is how far / long you can cruise on an average sea with a full tank of fuel. As a rough example on BW it would have been 20 knots cruising speed, using approx 1l per mile of fuel. Therefore my fuel capacity was 50l, which equates to 50 miles (using 1 knot = 1 mile which of course needs altering slightly). This would have taken 2 hours 30 mins which would be my cruising endurance in time. Hope this helps? Quote
spNOam Posted February 12, 2007 Author Report Posted February 12, 2007 Here goes....For my boat pushed by a Mariner 90 fourstroke Average fuel consumption approx 0.7 litres per mile Average cruising speed 20mph Fuel tank capacity 78 litres Therefore Cruising endurance = 78 Quote
Bob F Posted February 13, 2007 Report Posted February 13, 2007 Don't you also have to figure in a reserve of 1/3?? Quote
spNOam Posted February 13, 2007 Author Report Posted February 13, 2007 For the CG66 I'm happy to give a cruising endurance of 4 hrs. In reality not only do we not always set off with a totally full tank of fuel, there are a number of other variables, wind, tide sea state, number on board etc etc. Not to mention the ammount of fish caught....... Quote
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