lifting rudders - Wharram Builders and Friends2024-03-29T07:55:17Zhttp://wharrambuilders.ning.com/forum/topics/lifting-rudders?feed=yes&xn_auth=nohi Andres,
your English is fi…tag:wharrambuilders.ning.com,2014-09-22:2195841:Comment:1217902014-09-22T10:39:41.100ZDavid Kinghttp://wharrambuilders.ning.com/profile/DavidKing
hi Andres,<br />
your English is fine. The rudders in the photo are the type i a. thinking about.<br />
I will be drawing plans a d will send them to you.<br />
David
hi Andres,<br />
your English is fine. The rudders in the photo are the type i a. thinking about.<br />
I will be drawing plans a d will send them to you.<br />
David I'm sorry but my english is n…tag:wharrambuilders.ning.com,2014-09-21:2195841:Comment:1215792014-09-21T18:04:06.771ZAndréshttp://wharrambuilders.ning.com/profile/Andres
<p>I'm sorry but my english is not very good and I don't undestand well your idea. You can make a rudder to be of a pivoting type, a lifting type or a combination of both. I think you want the last option, which is the most complicated.</p>
<p>Ian Farrier has this type of rudders in his trimarans, but I think is a little high tech (you can see it in <a href="http://www.f-boat.com/f-33/f-33newfeatures.html" target="_blank">http://www.f-boat.com/f-33/f-33newfeatures.html</a>); there are other…</p>
<p>I'm sorry but my english is not very good and I don't undestand well your idea. You can make a rudder to be of a pivoting type, a lifting type or a combination of both. I think you want the last option, which is the most complicated.</p>
<p>Ian Farrier has this type of rudders in his trimarans, but I think is a little high tech (you can see it in <a href="http://www.f-boat.com/f-33/f-33newfeatures.html" target="_blank">http://www.f-boat.com/f-33/f-33newfeatures.html</a>); there are other types in Crhis White's book "The cruising multihull".</p>
<p>Also you can find interesting the following thread</p>
<p><a href="http://wharrambuilders.ning.com/forum/topics/rudder-lashing-issues?id=2195841%3ATopic%3A111401&page=1#comments" target="_blank">http://wharrambuilders.ning.com/forum/topics/rudder-lashing-issues?id=2195841%3ATopic%3A111401&page=1#comments</a></p>
<p>If you keep the skeg and you don't want to increase your rudder deep, then I think that the lifting type is the best option. You can see an example of this type in this beautiful M. Tennant cat<a target="_self" href="http://storage.ning.com/topology/rest/1.0/file/get/1930100349?profile=original"><img width="721" class="align-full" src="http://storage.ning.com/topology/rest/1.0/file/get/1930100349?profile=RESIZE_1024x1024" width="721"/></a></p>
<p><a target="_self" href="http://storage.ning.com/topology/rest/1.0/file/get/1930102146?profile=original"><img width="721" class="align-full" src="http://storage.ning.com/topology/rest/1.0/file/get/1930102146?profile=RESIZE_1024x1024" width="721"/></a>As you can see, the case of the rudder can be made very long and strong connected with three hinges.</p> hi Andres,
thanks for the rep…tag:wharrambuilders.ning.com,2014-09-21:2195841:Comment:1216752014-09-21T15:17:11.085ZDavid Kinghttp://wharrambuilders.ning.com/profile/DavidKing
hi Andres,<br />
thanks for the reply. I had thought of hinging in the same way, but it would add another metre or more making them exposed in high winds when dried out and damage in shallow marinas.<br />
My thoughts are to construct the blades the same shape as the originals but to make a head stock of stainless steel with a sliding fixing to allow the blades to rise vertically by 600mm.<br />
the blades will have a hinge sized gap between the hull and blade and end at the base of the skeg so no rope…
hi Andres,<br />
thanks for the reply. I had thought of hinging in the same way, but it would add another metre or more making them exposed in high winds when dried out and damage in shallow marinas.<br />
My thoughts are to construct the blades the same shape as the originals but to make a head stock of stainless steel with a sliding fixing to allow the blades to rise vertically by 600mm.<br />
the blades will have a hinge sized gap between the hull and blade and end at the base of the skeg so no rope problems.<br />
My fears are that the blades may not have enough lateral strength being fixed at the top section only.<br />
what do you think<br />
David Boatsmith has fitted lifting…tag:wharrambuilders.ning.com,2014-09-21:2195841:Comment:1217792014-09-21T14:10:12.826ZAndréshttp://wharrambuilders.ning.com/profile/Andres
<p>Boatsmith has fitted lifting rudders in the T8m. You can see it in</p>
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<p><a href="http://wharrambuilders.ning.com/photo/albums/boatsmith-tiki-8m-day-boat" target="_blank">http://wharrambuilders.ning.com/photo/albums/boatsmith-tiki-8m-day-boat</a></p>
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<p>I don't like the gap between the rudder and hull (it can catch underwater ropes), but I see that BS has changed the design, see…</p>
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<p>Boatsmith has fitted lifting rudders in the T8m. You can see it in</p>
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<p><a href="http://wharrambuilders.ning.com/photo/albums/boatsmith-tiki-8m-day-boat" target="_blank">http://wharrambuilders.ning.com/photo/albums/boatsmith-tiki-8m-day-boat</a></p>
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<p>I don't like the gap between the rudder and hull (it can catch underwater ropes), but I see that BS has changed the design, see</p>
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<p><a href="http://tiki8m.blogspot.com/" target="_blank">http://tiki8m.blogspot.com/</a></p>
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