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Jefa autopilot dd2 vs dd1

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chillios View Drop Down
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    Posted: 27 November 2017 at 17:49
Hi,. Has anyone replaced their dd1 with a more appropriately sized dd2 from Jefa?

Though I have replaced my planet gear,. Mine has failed, again.

-Chris
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Peter-Blake View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter-Blake Quote  Post ReplyReply Direct Link To This Post Posted: 27 November 2017 at 17:58
I am surprised that Hanse used a DD1 on a Hanse 505
Following Jefa the DD1 is for boats up th 45 Foot
It has a max. output torque of 150 KgM

For a Hanse 505 it should be the DD2
Followig Jefa it is for boat up to 55 foot
It has a max. output torque of 375 KgM

On my 370 the dd1 is perfect, but for your 505 i would definatly go with the dd2
Blake 370
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Samtutuki View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Samtutuki Quote  Post ReplyReply Direct Link To This Post Posted: 02 December 2017 at 21:52
The DD2 has a very different fixing arrangement (and physical profile) from the DD1 so it may be difficult to replace. Is there enough space? 

On the Jefa ftp site (ftp.jefa.com) there is a "buildcard" for the H505 which clearly shows the use of a DD1. 

It is not clear to me if this is the Jefa recommendation or the Hanse requirement. 

I agree that else where on the Jefa site the DD1 is for boats up to 45 ft LWL and the DD2 is for boats with a 45  foot and above LWL such as the 505. 

So where is the inconsistency coming from - Jefa or Hanse?

On the Jefa price list they show about a Eu 600 premium, for the DD2 not much of an increment for a 505 so I wonder why they did it.

On the other hand I have noticed else where the tendency of Hanse to specify slightly under sized components such as windlass. bow thruster and mast/boom sections.

It would be interesting to here for anyone who has upgraded there 505 autopilot drive.
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IbSkaale View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IbSkaale Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2018 at 16:31
I have reinforced the plate/stoppers. They broke after one year. I was told that it was DD1, for boats up to 45 F.
Ib Skaale
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chillios View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote chillios Quote  Post ReplyReply Direct Link To This Post Posted: 06 September 2018 at 04:44
Hi

Can you share what you did for reinforcement?
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IbSkaale View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IbSkaale Quote  Post ReplyReply Direct Link To This Post Posted: 06 September 2018 at 06:56
Next time I am in the boat, I will tage a picture and post it.
Ib Skaale
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