Hey
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I need a new prop for my 89 70hp Johnson which is powering a 15ft fiberglass runabout. I use the boat primarily for ocean fishing.
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I am currently running a 13.5 x 15 solas aluminum 3 blade prop and find it reva out at just over 5500 rpm at WOT.
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Due to the hull design and weight distribution of the boat proposing is an issue and i find i need to trim the motor right down in order to bring the bow down and get on plane. I have a hydrofoil fitted to help with this but was thinking of getting a 4 blade prop to help with this a little as well as to get better fuel economy and mid range performance more suited to ocean conditions.
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I am primarily focused on fuel conservation and sea going performance.
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Any help is much appreciated
*
I need a new prop for my 89 70hp Johnson which is powering a 15ft fiberglass runabout. I use the boat primarily for ocean fishing.
*
I am currently running a 13.5 x 15 solas aluminum 3 blade prop and find it reva out at just over 5500 rpm at WOT.
*
Due to the hull design and weight distribution of the boat proposing is an issue and i find i need to trim the motor right down in order to bring the bow down and get on plane. I have a hydrofoil fitted to help with this but was thinking of getting a 4 blade prop to help with this a little as well as to get better fuel economy and mid range performance more suited to ocean conditions.
*
I am primarily focused on fuel conservation and sea going performance.
*
Any help is much appreciated