Quote:
Originally Posted by smokeonthewater
Just for the sake of conversation, one possible exception to that might be an exceptionally heavy slow boat where the extra surface area of the second prop MAY reduce slip% enough to increase speed or even plane where otherwise it wouldn't...
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I've sen where twins gave more speed than a single of the same combined hp due to the fact the twins were able to provide more lift to the hull, its rare, but I've seen it