Jeanneau 36 Steering Under Power - SailNet Community

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  #1  
Old 06-07-2003
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Jeanneau 36 Steering Under Power

Steering behavior while under power of a 1990 Jeanneau 36 that I am considering to purchase has me concerned. While at cruising speed or any other speed, the wheel vibrates as if encountering extreme turbulence. The wheel also pulls to port strongly like no other boat I have ever been on while cruising. I think the problem is not rudder related since the vibration is eliminated as soon as the transmission is placed in neutral. The wheel is also very smooth and the boat handles beautifuly while under sail. My brokers explanation is the two bladed prop that is centered in the hull and the semi-balanced high aspect ratio rudder that makes this boat such a nimble sailer. Has anyone else experienced this behavior? Is so much prop wash while at crusing speed normal? Would a three bladed prop minimize the vibration as my broker suggesting?
I would appreciate any help!
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Old 06-08-2003
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Jeanneau 36 Steering Under Power

"Torque" steer is something that is pretty much determined by the vessels design. On my Morgan designed sloop, she has a wonderfully balanced helm under sail and is an absolute BEAR to drive under power. I had to make time in light winds a couple of years ago, and my Autohelm was acting up due to build up of corrosion on the connections. After a 6 hour stint at the tiller, I ended up with rotator cuff damage in my shoulder from the constant strain. (Last time I take a passenger on who "Has" to be back to shore for a flight home) I now carefully inspect my Autohelm connections regularly.

I would think that a 3 pladed prop might even make things worse, more thrust=more torque, but would even out the vibrations. Being that the vibrations are the pulses from your 2 bladed prop. Addtionally, if it is a fixed prop, would you want to sacrifice your light air performance with the extra blade? And if you are using a folding/feathering prop, there is the additional expense in both purchase and upkeep.

If you are satisfied by the boats performance under sail, (I mean we are talking sailing here, not stinkpotting) and she makes good way under power, I would stay with her current prop.

Good luck, and don''t forget to hire a licenced marine surveyor prior to purchase, even if she had passed a "Recent Survey" with flying colors.
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Old 06-27-2003
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Jeanneau 36 Steering Under Power

You refer to him as "my broker". Not to put too fine a point on it, never forget that he''s working for and being paid by the guy who wants you to buy his boat. Listen to everything he says, but verify everything he says independently.
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Old 06-27-2003
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Jeanneau 36 Steering Under Power

You refer to him as "my broker". Not to put too fine a point on it, never forget that he''s working for and being paid by the guy who wants you to buy his boat. Listen to everything he says, but verify everything he says independently.
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Old 05-13-2008
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Thumbs up Jeanneau 36 steering

My Jeanneau 36 steers perfectly both under sail and power. If the rudder is not a perfectly faired and symetrical blade. it will behave as you describe. Tartan 40's are also famous for this behavior. Get yourself a set of NACA foil templates and fair that puppy and you will be one Happy Sailor!
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Old 05-14-2008
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sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice
Chances are if he is still having a problem, he's sold the boat or hit something in the four years since he posted about the problem.

Please check dates before replying to a dead thread.
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Old 05-14-2008
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I for one am glad he did post, I love jeanneau's and a 36 will be perfect for me.
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Old 05-14-2008
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Quote:
Originally Posted by bwalker42 View Post
I for one am glad he did post, I love jeanneau's and a 36 will be perfect for me.
Bw......I admit you scared the heck out of me now...when I saw your post on the Jeanneau 36...

I thought you smoked Jeanneaus also....they give out bad fumes when burning.....
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Old 05-14-2008
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Wouldn't that be Gitanes, hence the name "cigarette boat"? Bad fumes there, also.
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Old 05-14-2008
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Originally Posted by Giulietta View Post
I thought you smoked Jeanneaus also....they give out bad fumes when burning.....
And are hard to keep lit.
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