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Is it impossible too install a bowthruster ?

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Flemming_M View Drop Down
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    Posted: 08 June 2011 at 18:32
Hello
I have read some treads on the forum - the Hanse 320 about installing a bowthruster. I feel the same "problem" as mention on the 320 treads. The Hanse boats sails its own way, when the wind comming from the side. 
Is it impossible too mounting a bowthruster ? What thruster type is the best solotion. Best regards Flemming
Flemming M

Hanse 350/DEN233
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Willem3 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Willem3 Quote  Post ReplyReply Direct Link To This Post Posted: 09 June 2011 at 22:12
Sure you can. See my thread and photoreport in the 320 section. The 350 is much alike the 320 I think.
We had a Vetus 55 installed and its doing fine.
Regards, Wim

Hanse 320#405   White hull, wheelsteering, shallow keel, standard North sails, Sparcraft rig, bowthruster

Miss Marple
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Flemming_M View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Flemming_M Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2011 at 14:39

Hello Wim

Yes I have seen you very fine and informative photo serie. I think you have right, that the space and watertank is the same in 350 as in the 320. There is only things now - started working on the project :-).
best regards
Flemming 
Flemming M

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Post Options Post Options   Thanks (0) Thanks(0)   Quote nickflo Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2011 at 15:29
maybe is this:

EXTURN 230

http://www.exturnusa.com/adminmarinno/product.php?productid=17515

 a soution for your problem, I know a guy, he had installed such a system and is very satisfiedWink
S/Y Druid

Hanse 342 #555

Kiel, Germany
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lukemi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lukemi Quote  Post ReplyReply Direct Link To This Post Posted: 24 June 2011 at 17:35

I would be curious to see pictures of a Vetus 55 (or other model) installed on a Hanse. I initially purchased a Vetus Thuster several years ago for my 370e. The installer I chose would not install this because it would not meet the minimum depth for the thruster tubes. After consultation with Hanse USA, it was recommended that I use a Max Power Retractable thruster. I have now had this for 3 years and it works great. I can see how the EXTURN 230 could be used also but it seems the drag would be significent when sailing. The retractable has no drag when raised. Pictures of my installation can be found on previous threads under the 370 tab.

Mike
Stella Maris
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Zeester Quote  Post ReplyReply Direct Link To This Post Posted: 24 June 2011 at 17:50
Originally posted by lukemi lukemi wrote:

I would be curious to see pictures of a Vetus 55 (or other model) installed on a Hanse. I initially purchased a Vetus Thuster several years ago for my 370e. The installer I chose would not install this because it would not meet the minimum depth for the thruster tubes. After consultation with Hanse USA, it was recommended that I use a Max Power Retractable thruster. I have now had this for 3 years and it works great. I can see how the EXTURN 230 could be used also but it seems the drag would be significent when sailing. The retractable has no drag when raised. Pictures of my installation can be found on previous threads under the 370 tab.


Mike

Stella Maris

 


Can you please provide a link?
370#546
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lukemi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lukemi Quote  Post ReplyReply Direct Link To This Post Posted: 24 June 2011 at 18:19
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Post Options Post Options   Thanks (0) Thanks(0)   Quote panos Quote  Post ReplyReply Direct Link To This Post Posted: 25 June 2011 at 06:53
sorry, but the idea of installing a bow thruster on a boat less than 40 ft is like wishing a reverse gear in a motorcycle.
There is always an easy way around.
The cost is not justified.
The weight is not worth to carry.
There is always room to maneuver a small boat in the marina.
There is not enough electric power, especially if you are anchoring at the same time.
The outside the hull bowthruster is a STUPID idea.

I would spend the money and time to practice harbor maneuvers with a specialist.


Edited by panos - 25 June 2011 at 07:01
Panos

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lukemi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lukemi Quote  Post ReplyReply Direct Link To This Post Posted: 27 June 2011 at 17:26

I do not have much of an opportunity to argue against Panos since he has lots more experince and practical knowledge than I do about sailboats. I think I do have to take exception to his idea that a thuster is only for big boats. In fact, I could make an arguement that big boats do not need a truster because they are always on the end of the docks and large space is provided for them in most marinas. The thuster was the best option I put on my 37' Hanse. When my wife and I are sailing alone, which is most of the time, I am very glad to have the thruster. My wife does not like to exert much energy when manuevering so the thusters acks like a third hand. While I agree that more experience reduces the need for the thruster, when there is wind in my marina, I am glad I have it. I have to make 5 turns around moored boats/docks before I can access my berth. Another boat in the passage between docks further complicates my entry/exit. I would not expect a larger boat to try to get into/between docks and other boats as I have to. While the cost was expensive for this additon, I feel the payback over the past 4 years I have use it thus far have paid off. Regarding experience, over these 4 years I have seen several 40-44 foot boats graze other boats in my location (with experienced sailors and no thrusters). I think that Apirl Sail Magazine had a very good review of Bow Thrusters for small boats. Their conclusion was it didn't matter what size the boat was, it you can afford it, it's a nice addition.

Mike
Stella Maris 370e#166
 
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