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Old 04-22-2016, 02:47 PM   #1
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Capstan's Avatar
City: Exumas
Country: Bahamas
Vessel Name: Bad Monkey
Vessel Model: Gulf Star 43
Join Date: Jul 2015
Posts: 124
Fuel usage

Anyone have any burn rates for a pair of 6-354's in the Gulfstar 43?
Would be interested to see how mine compares.


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Old 08-16-2016, 10:48 AM   #2
City: Jacksonville FL
Country: USA
Join Date: Aug 2016
Posts: 1
Diesel burn

I have a 73 Gulfstar 43 with twin Perkins 135s. Running one screw at 1500 I'll get 6-8 kts and burn 3.5 gph.
HOWEVER, running two screws, each at 1500, I'll get 8-10 kts and burn 2.5 gph.
Yes, I burn less diesel on two screws than I do one...
I gave up trying to figure out torque curves and angle of the rudders and just accept that Lucky wants to run on two screws

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Old 08-16-2016, 07:27 PM   #3
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City: Dunedin, Fl
Country: USA
Vessel Name: T/T Whistful
Vessel Model: Boat US 12' Inflatable
Join Date: Jul 2011
Posts: 204
So you're getting 4kts out of 1 to 1.25 gal of fuel... sounds pretty good.
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