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Old 08-26-2016, 10:03 AM   #1
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Default Fuel Economy Question

On a rig trip, is it more economical fuel-wise, to leave way early and head out at a fast idle, or get on plane at usual cruise speed? I'm talking diesel engine. Thanks.
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Old 08-26-2016, 10:09 AM   #2
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You will definitely burn less fuel at a trolling speed. But do you really want to make a 10 hour run out there?


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Old 08-26-2016, 10:10 AM   #3
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at idle speed it may take 3 days to get there....
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Old 08-26-2016, 10:22 AM   #4
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Leave the evening before and 9 knot it out. 10 hours=90 or so nm. And you only burned about 40-50 gallons of fuel.
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Old 08-26-2016, 11:03 AM   #5
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Leave the evening before and 9 knot it out. 10 hours=90 or so nm. And you only burned about 40-50 gallons of fuel.
This or if you choose to run in daylight lots of fish to be caught on the way out while on the troll. Leave early am troll out and hit the evening bite fish all night morning bite and troll or run home.
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Old 08-26-2016, 11:04 AM   #6
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On rig trips usually try and do 8-10 knots out there. At that speed we get around 1.3 mpg as compared to cruising speed where we get .5 mpg. We fish out of a 41 ft sportfish with 3208 cats.
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Old 08-26-2016, 11:25 AM   #7
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On the boats I have been on, anywhere from 5-7 gph
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Old 08-26-2016, 02:15 PM   #8
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Thanks for the replies. My friend's boat is a 34 footer with a single 3208 Cat, and we couldn't agree on which mode would be more efficient. The only time I've been to the rigs was on the Sea Spray out of OB - left the dock around 10 PM and did the idle thing out. Was at Petronious before first light with everyone rested.
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Old 08-28-2016, 09:26 PM   #9
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It depends on what is more valuable.... your time or your money. For most average folks, its a combination of both. I love to fish the rigs, but I personally wouldn't be interested in going if it meant spending 10 hours traveling just to get there. if I go on a trip where I am helping pay for fuel (as opposed to an extremely wealthy boat owner paying for it) then we usually cruise out at a slower speed anywhere from 20-25 knots depending on the boat and we do that until we get a good ways out there, or until we're into good water and then we will troll the remainder of the way. To truly understand the fuel efficiency, he needs to get his boat dialed in and do the calculations based on speed and gallons per hour... that will tell you your miles per gallon, and you can decide how to slice it. That can be easier said than done depending on the electronics, but its not hard either way.
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Old 08-28-2016, 10:42 PM   #10
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Quote:
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Leave the evening before and 9 knot it out. 10 hours=90 or so nm. And you only burned about 40-50 gallons of fuel.
wades dead on.we left at 11pm and right at 10MPH 1000 RPM were burning hardly anything in fuel.by 7 am we was 15 miles from blue water.only had burned about 40 gallons of fuel.just make sure you have another driver cause i was up for 48 hrs straight driving boat and it sucked
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