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Drive shaft engaged in neutral

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MartinR View Drop Down
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    Posted: 08 June 2020 at 22:22
Hi,
I have recently purchased a Hanse 345, manufactured in 2015. I have noticed that the drive shaft appears to remain engaged with the engine when in neutral. I understand that the drive shaft is normally  electrically disconnected from the engine. Does anyone have any experience of this or any ideas what might be causing the problem? Thanks.
Martin
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fendant Quote  Post ReplyReply Direct Link To This Post Posted: 08 June 2020 at 23:03
Hello Martin,
there is no electrical connection between engine and saildrive, it is solid mechanics. 
If you don't have a folding prop Volvo advises to put gear in reverse when under sail.
Frank
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Captain Cook Quote  Post ReplyReply Direct Link To This Post Posted: 09 June 2020 at 00:51
Freya H400 #27 (2006), 40HP 3JH4E, 2-cabin, 3-blade Flexofold, Aries LiftUp Windvane, Exturn 300, Jefa DD1,Simrad NX40,Icom M603(VHF)+M802(SSB)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fendant Quote  Post ReplyReply Direct Link To This Post Posted: 09 June 2020 at 07:02
You are right for the Yanmar saildrive, there are some posts describing the clutch problems on the Yanmar saildrive. Freewheeling the prop apparently let the cone clutch wear much faster, resulting in a complicated and expensive repair.
His boat is from 2015, so I assume that he has the Volvo D1. The Volvo manual specifies:
 


Edited by Fendant - 09 June 2020 at 07:04
Frank
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MartinR View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MartinR Quote  Post ReplyReply Direct Link To This Post Posted: 09 June 2020 at 08:10
Hi Frank,
Thanks for your response. The issue i'm experiencing is not when sailing but with the engine running and selected to neutral the prop still appears to be being driven by the engine. 
Martin
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fendant Quote  Post ReplyReply Direct Link To This Post Posted: 09 June 2020 at 12:11
Martin,

do you have a Yanmar or a Volvo ?


Frank
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MartinR View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MartinR Quote  Post ReplyReply Direct Link To This Post Posted: 09 June 2020 at 22:19
Hi Frank,
Its a Volvo D1-30F
Martin
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fendant Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2020 at 08:45
Martin,

in this case something is wrong, your cone clutch does not open.

What is the speed in calm water if the engine is idling ( ~850 rpm )?

BR

Frank
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