worlds largest outboard motor debuts at miami boat show
http://www.boatingmag.com/worlds-lar...boat-show-2015 so seven marine ups themselfs...
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Very cool, but i hear 557 is about equivalent to the 350 Verado in practice. Same prop, same ratio, tops at same rpm. Love to hear thoughts on this. Lots of buzz in Miami at the booths on this. Not from merc guys but from manufacturers.
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Originally Posted by Pismo10
(Post 4264525)
Very cool, but i hear 557 is about equivalent to the 350 Verado in practice. Same prop, same ratio, tops at same rpm. Love to hear thoughts on this. Lots of buzz in Miami at the booths on this. Not from merc guys but from manufacturers.
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that's what I was thinking....... It appears that the three 557 push the Midnight Express to 73 mph. it would appear that's similar to triple 350 Mercs.....
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Originally Posted by jackwilliam
(Post 4264527)
so what your saying is that the extra horsepower that the 557 has is useless? Why?
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There is a lot more weight in a 557 that offsets a lot of that extra power. One advantage they can have is you can put two 557 instead on three 350 mercs. Less props in water, not sure how they do on gas.
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Originally Posted by chewiekw
(Post 4264578)
There is a lot more weight in a 557 that offsets a lot of that extra power. One advantage they can have is you can put two 557 instead on three 350 mercs. Less props in water, not sure how they do on gas.
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Originally Posted by thedonz
(Post 4264534)
that's what I was thinking....... It appears that the three 557 push the Midnight Express to 73 mph. it would appear that's similar to triple 350 Mercs.....
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Originally Posted by freshwaterfiend
(Post 4264599)
MTI gained something like 12 mph with triple 557's so not similar at all. The LSA engine they use is a beast.
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so what would be assumed is the new 400 is going to just push 7marine out of the picture?
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