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Hanse 508 turning to starboard while under power

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JBHokie508 View Drop Down
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    Posted: 06 May 2021 at 21:19
Hey guys,

Iím about to take possession of my new Hanse 508 and another 508 owner told me his boat will make a sharp turn to starboard if you let go of the wheel while motoring.

Does anyone else experience this? I want to say my C315 did something similar but not as drastic as the 508. I know itís a balanced rudder, and I imagine thatís whatís causing the issue.

 I have confirmed that my 508 does the same thing. 

Hanse now says that if we reverse the transmission and put on a new prop, thatíll solve the problem.  If the rudder and prop are perfectly in line, I donít see how that would remedy anything at all. It would just be a hard turn to port.  If the rudder and prop are off by a few degrees, then maybe. 

Thoughts?

Thanks,
Justin 


Edited by JBHokie508 - 06 May 2021 at 21:19
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Arcadia View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Arcadia Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2021 at 22:38
I wouldnít be concerned Justin, unless itís actually fighting you at the wheel. This tendency to turn while motoring is quite common with modern boats. High aspect appendages will be more likely to turn and not hold course. Also, the further aft the propeller, the more turning force there will be. Hanse designs have both elements present. My 588 will turn if Iím not holding the wheel. I wonít feel any force on the wheel while steering, but it will gradually take off if I let go. I agree with you regarding the advise from Hanse. Reversing the drive train makes no sense at all!!
Leon / ARCADIA
2018 Hanse 588
Sag Harbor, NY
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SVZara View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SVZara Quote  Post ReplyReply Direct Link To This Post Posted: 15 May 2021 at 02:52
Sounds like a safety feature.  Kinda joking, but, kinda not.  Would be great if the boat didnt stay straight for ever, and to turn in a circle if you fell overboard.
Marc
S/V Zara
2016 Hanse 505, Hull #129
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Jack Naglieri View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jack Naglieri Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2021 at 20:21
Leon
Your response to Justin reflects your failure to understand the severity of the problem. I have the same issue on my 508 and it is DANGEROUS because the pull to starboard occurs VERY quickly if you don't hold the helm tightly. When motoring and I have to fight to keep the boat going straight. You may not feel any force on the helm when steering your 588, but I do; just as Justin does. 

This is a serious problem that Hanse has been slow to fix. 

Jack N. 
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kipwrite View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kipwrite Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2021 at 20:29
Jack,
My 505 pulls to starboard, and the pull increases as I raise RPMs. 
I donít have to struggle to hang on to the wheel. But if I let go with the engine revved, she will promptly turn. 
I believe this is a function of the sail drive and rudder configuration. 
I donít consider this an issue. My 8hp 2 stroke dinghy motor will do the same thing if I let go of the tiller. 
Kipwrite. 
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SVZara View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SVZara Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2021 at 20:47
Have you guys noticed any "prop walk" with a saildrive?  I know my older shaft drive boat used to pull the stern to port when in reverse.
Marc
S/V Zara
2016 Hanse 505, Hull #129
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Arcadia View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Arcadia Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2021 at 23:45
Jack, there is no need to go on the attack here. Iím just trying to help. Iím sorry you in particular seem to be having a bad problem, but I wasnít addressing you specifically. Iím wondering where are all the other 508 owners with this issue?
Leon / ARCADIA
2018 Hanse 588
Sag Harbor, NY
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