Posts: 3478
Location: Elk River, Minnesota | Hiya,
The numbers you list are almost unreachable good. Prop slip by what you listed would be one of the best I have ever seen at 6.15% so I am thinking something might be off somewhere. This is going off of a gear ratio of 1.75:1. If it were the 1.85:1 lower unit, the slip would even be lower.
I am assuming you trimmed all the way up to the point of porpoising or blowing out, then touching back just enough to settle it down and catch for the numbers you posted. Take out the 280 pounds of people, and your speed would be a touch higher...
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