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lapl0007 reacted to ChooChooSnakeMan's post in the thread 83' 115hp Mercury, prop slip with Like.

I had a 1985 Dynatrak Fiberglass 18' Fish and Ski with the 1985 Merc 115hp tower of power on it. It was my first boat and I kept it for...

Apr 2, 2025
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lapl0007 replied to the thread 83' 115hp Mercury, prop slip.

What 3 balde would be better at increasing cruising speed fuel efficiency? Or would a 4 blade be more efficient?

Mar 30, 2025
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lapl0007 replied to the thread 83' 115hp Mercury, prop slip.

A few thoughts, First is analog tach, and gps speed is my set up. Second, so you're saying that a 4 blade would not be more efficient...

Mar 29, 2025
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lapl0007 reacted to jimmbo's post in the thread 83' 115hp Mercury, prop slip with Like.

I look at it as getting the Most out of the Boat and Motor. Also the faster it goes, the further it goes, on a given amount of Fuel

Mar 21, 2025
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lapl0007 reacted to Texasmark's post in the thread 83' 115hp Mercury, prop slip with Like.

Because that's just what we do.

Mar 21, 2025
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lapl0007 posted the thread Helix 7 g3n with a garmin/lowrance flow meter? in Electrical, Electronics, Audio and Trolling Motors.

Anyone know or have used a g3n with the ethernet adapter to a backbone nmea 2000 compatible fuel flow meter? I have a Helix 7 G3N and...

Feb 5, 2025
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lapl0007 replied to the thread Gph at various rpm...thoughts?.

That is exactly what I'm looking for. Thank you! If other have this sort of data I would greatly appreciate it! Thank you again

Feb 4, 2025
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lapl0007 reacted to jlh3rd's post in the thread Gph at various rpm...thoughts? with Like.

ok...here. This is a 2021 Merc 115 hp CT pushing a twin tube (25") pontoon. 5800 - 10.6 gph.......2.35 mpg 5000 - 7.0. "...

Feb 4, 2025
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lapl0007 reacted to dingbat's post in the thread Gph at various rpm...thoughts? with Like.

200 HP Ocean Pro Fuel flow, speed and chart plotter configured to report nautical miles. Average fuel burn at cruise (~4300 rpm, 27...

Feb 4, 2025
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lapl0007 replied to the thread Gph at various rpm...thoughts?.

Thank you for some actual numbers. It's refreshing to have an answer to a question rather than old rule of thumbs repeated back to me...

Feb 4, 2025
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lapl0007 reacted to jimmbo's post in the thread Gph at various rpm...thoughts? with Like.

It took a little less than a 1/2 hour to burn through the 5 Gal(Imp) Tank. I guess that would be about 13 1/2 gal(US)/hr. It got about...

Feb 4, 2025
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lapl0007 replied to the thread Gph at various rpm...thoughts?.

So on that 84' 115 did you see 11.5 gph wot or closer to 14 gph wot?

Feb 4, 2025
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lapl0007 replied to the thread Gph at various rpm...thoughts?.

If it's a 115hp rated at the prop, then due to loss, the 115hp would go up, meaning a "125hp" crank would lose 10% and land to 115hp...

Feb 4, 2025
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lapl0007 replied to the thread Gph at various rpm...thoughts?.

2400# loaded weight starcraft 1974 ss with 19p 3 blade stock prop, 65 degrees F, no wind, no current, 2.0 gear ratio, and at each 500...

Feb 4, 2025
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lapl0007 replied to the thread Gph at various rpm...thoughts?.

Looking for actual numbers if anyone has some.

Feb 4, 2025

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