Tunnel Hull Question
I have just completed a Clark Craft TU 14. This is an all wood 14 ft. tunnel hull boat. I installed a 50 H.P. Johnson outboard with electric trim. My problem is at medium throttle I have water coming over the transom. It seems that the water coming thru the tunnel at low speeds hits the motor shaft housing and shoots straight up, hitting the motor mount and gushing over the transom. Is this common with tunnel hulls and what is the cure ?
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Tunnel Hull Question
On Sun, 14 Dec 2008 22:48:55 +0000, William Johnston
wrote: I have just completed a Clark Craft TU 14. This is an all wood 14 ft. tunnel hull boat. I installed a 50 H.P. Johnson outboard with electric trim. My problem is at medium throttle I have water coming over the transom. It seems that the water coming thru the tunnel at low speeds hits the motor shaft housing and shoots straight up, hitting the motor mount and gushing over the transom. Is this common with tunnel hulls and what is the cure ? Try adjusting the outboard's height. It has a spray plane above the prop which might cut the splash down. Brian W |
Greetings:
I know this is an old post but wanted to touch base. Have you solve this issue? One item would be where your prop shaft is relative to the sponson bottom surfaces. My guess is that this shoud be about even (using a prop capable of surfacing). Setback might be an option as well. I just purchased my own set of plans for this boat. Have you been happy with it so far? Thanks and Regards, Larry S. Galway, NY Quote:
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Tunnel Hull Question
On Sunday, December 14, 2008 at 5:48:55 PM UTC-5, William Johnston wrote:
I have just completed a Clark Craft TU 14. This is an all wood 14 ft. tunnel hull boat. I installed a 50 H.P. Johnson outboard with electric trim. My problem is at medium throttle I have water coming over the transom. It seems that the water coming thru the tunnel at low speeds hits the motor shaft housing and shoots straight up, hitting the motor mount and gushing over the transom. Is this common with tunnel hulls and what is the cure ? -- William Johnston Hi William, I am curious about your experiences with the Clark Craft TU 14. Would you be kind enough to e-mail me at . I have a Glen-l "Flying Saucer" and am considering the TU14. Thanks, Joe |
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