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18 Hp on a Smokercraft 15 Alaskan???
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<blockquote data-quote="bassboy1" data-source="post: 98279" data-attributes="member: 55"><p>Keep in mind, the dealer is trying to sell you the boat. I have not heard of a dealer that will give you an accurate speed yet, and I am talking dealers of all kinds of boats. If you want to see how accurate that statement was, see what prop was run on that test hull. Not knowing what motor was used, I plugged in merc 15 specs. With a WOT RPM of 5000, 2:1 gear ratio, and 10 percent prop slip (that setup probably has slightly more), to get 32 mph, one has to have a minimum of 15 pitch. Go to a more realistic prop slip number, and you need 16. Quite frankly, I am not seeing a 15 horse turn a 15 pitch prop.</p></blockquote><p></p>
[QUOTE="bassboy1, post: 98279, member: 55"] Keep in mind, the dealer is trying to sell you the boat. I have not heard of a dealer that will give you an accurate speed yet, and I am talking dealers of all kinds of boats. If you want to see how accurate that statement was, see what prop was run on that test hull. Not knowing what motor was used, I plugged in merc 15 specs. With a WOT RPM of 5000, 2:1 gear ratio, and 10 percent prop slip (that setup probably has slightly more), to get 32 mph, one has to have a minimum of 15 pitch. Go to a more realistic prop slip number, and you need 16. Quite frankly, I am not seeing a 15 horse turn a 15 pitch prop. [/QUOTE]
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18 Hp on a Smokercraft 15 Alaskan???
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