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06-10-2021, 12:41 PM #15000 RPM
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Twin outboard engine swap to single outboard same Hp
Has anyone taken a twin engine outboard boat and swapped out the twin set up for the same hp single set up ? I was wondering if the loss of some weight and loss of drag from another lower unit helped or hindered.
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06-10-2021, 12:45 PM #2
I've done it on fishin boats and the duals normally out-perform a single even of the same hp.
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mrichartz liked this post
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06-10-2021, 01:35 PM #3
2001 Velocity 220 - 300xs by DBR - Sold
2001 Motion 25, 03-250xs's
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06-10-2021, 03:04 PM #4
What type of boat are you looking to do this on?
1977 Hydrostream Vector 2.5 Promax
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06-10-2021, 05:13 PM #5
More than once was glad I had two...
LETS GO BRANDON.... LETS GO BRANDON
Sometimes I talk to myself...then we both just laugh and laugh
'84 Checkmate Convincor
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06-10-2021, 06:10 PM #65000 RPM
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NAVISPEED1 liked this post
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06-10-2021, 06:13 PM #75000 RPM
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25 Fountain. I have twin 175's Mercs but was thinking about going 350 Verado , 400 If I could find one cheap enough which is highly unlikely i know. I was thinking one less drag in the water and the weight loss, but two motors is still two motors creating push and lift.
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06-10-2021, 11:04 PM #8Screaming And Flying!
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the answer is depends....and that will be on the prop load.
if you are short of blade area with a single then twins will be better
then the speed issue as drag goes up, so depends on the speed as well
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06-10-2021, 11:11 PM #9
Need to look back ..but something about less prop slip with twins and just Better performance..it out outweighs the drag of the other lower unit..
And handling is betterLETS GO BRANDON.... LETS GO BRANDON
Sometimes I talk to myself...then we both just laugh and laugh
'84 Checkmate Convincor
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Forkin' Crazy liked this post
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06-10-2021, 11:22 PM #10Screaming And Flying!
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06-10-2021, 11:35 PM #11
Oh yes..
I just remembered something that with twins same setup etc that the slip was better...how much etc I don't know and vaguely remember. Don't remember what kind of boats the tests were done with. I just mentioned it was something to look up/at.. but either way I'd still say 2is better than one even if you lose a tiny bit...could be that day you get home..lolLETS GO BRANDON.... LETS GO BRANDON
Sometimes I talk to myself...then we both just laugh and laugh
'84 Checkmate Convincor
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06-10-2021, 11:57 PM #12
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mrichartz thanked for this postmrichartz, powerabout liked this post
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06-11-2021, 12:06 AM #13
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Forkin' Crazy liked this post
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06-11-2021, 07:54 AM #145000 RPM
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06-11-2021, 08:08 AM #15
Oh didn't mean actual question more rhetorical thinking out loud..kind of thing and that was nothing like what I said I didn't look at it before it sent
Was driving and guess it voice typed wrong..
How much torque tab drag etc, and crabbing etc . 25' w single are you going to surface it run it high? Don't know how your looking to use it a fishing center console racer etc and how you have it setup etc...
If that makes any sense...been up all night in pain from..well been up so hopefully that makes sense..LETS GO BRANDON.... LETS GO BRANDON
Sometimes I talk to myself...then we both just laugh and laugh
'84 Checkmate Convincor
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