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glivs
Admiral

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USA
836 Posts
Initially Posted - 03/05/2006 :  08:38:49  Show Profile
I've searched the archives and the Tech tips but have not been able to track down a drawing of the A-frame design for raising or lowering the mast. Can someone point me to a current link. Thanks.
Gerry Livingston, Malletts Bay, VT
"Great Escape" 1989 C-25 SR/WK #5972
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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts
Response Posted - 03/05/2006 :  09:25:33  Show Profile
This might help...

From the C25 Tech Tips...



The last set of pictures show my solution for raising and lowering the mast by myself. I do this without any help and actually find it very easy. The mast holder in the stern is two - 2 x 4 x 8's nailed together with a boat trailer roller between two short 2 x 4's at the top. You can see that this is attached to the stern and the support on top of the stern rail. The bottom is held in place with a line which goes through the drain holes. I lift the end of the mast up and lay it on the roller before I then roll the mast forward to attach the bolt in the mast step. The A frame is the key to doing this by yourself. l made the frame out of conduit pipe which has a small piece of wood in each end before applying heat to flatten and drilling holes. The frame is attached to the deck by using a small piece of gas pipe with holes attached to the deck plates for the forward outer shrouds. See diagram for more detail. I attach an halyard to one ring at the top of the frame and a line for the bow pulley to the other ring. The bow pulley line goes back to the cabin top wench which controls the speed going up or coming down.

Additionally, check out this topic...

[url="http://www.catalina-capri-25s.org/forum/topic.asp?ARCHIVE=true&TOPIC_ID=6483"]A Frame in Action[/url]


Edited by - dlucier on 03/05/2006 09:27:35
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thaind
Navigator

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Canada
145 Posts
Response Posted - 03/07/2006 :  18:43:31  Show Profile
I made an A-frame like that out of conduit and saw it twist into a bowtie the first time I tried to raise my tall rig mast. I have since replaced it with one made from 1 in square tube. It works fine.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.