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 Catalina/Capri 25/250 Sailor's Forums
 General Sailing Forum
 Windex Mounting		  New Topic  Topic Locked
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ngrinich
1st Mate

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28 Posts
Initially Posted - 02/15/2007 :  00:57:11  Show Profile
One of my winter projects is to mount a wind direction indicator on the top of the mast. I was out at the harbor in Newport, Oregon and spent a lot of time looking at the top of masts to see how to mount the Windex. It seems like the most common way is to use the extension arm and mount it on top of the masthead. Has anyone had experience drilling into the top of our masthead to mount a Windex? I'am not sure what the masthead is made of and whether I'll ruin it by drilling into it. Another option, of course, is to drill into the mast itself. What's the best way to go? As an aside, it was fun to walk the docks in Febuary and look at boats that have stopped in from Seattle to Honolulu. We often have a couple of nice weeks in early Febuary before the storms roll in again. It's enought to make one think Spring is just around the corner.
Nick
C-25 FK/SR '87
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Ericson33
Admiral

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USA
892 Posts
Response Posted - 02/15/2007 :  06:08:01  Show Profile  Visit Ericson33's Homepage
Our masthead is aluminum, drill then tap, use loctite and you are good to go. You can do the same on the mast.
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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts
Response Posted - 02/15/2007 :  07:59:53  Show Profile  Visit Frank Hopper's Homepage
I have used several methods and the drill and tap is excellent and probably the best, be sure you are verticle when you drill, the angle will be exaggerated by the length of the windex mast.
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danandlu
Navigator

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USA
174 Posts
Response Posted - 02/15/2007 :  08:49:07  Show Profile  Visit danandlu's Homepage
I used Locktite on all threaded parts or so I thought. I must have forgotten the spire. It woke me as it bounced off the cabin top and into the water.
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ClamBeach
Master Marine Consultant

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3072 Posts
Response Posted - 02/15/2007 :  09:13:33  Show Profile
I used one of the pre-existing holes. Replaced the pin holding the topping lift sheave with a stainless bolt/locking nut... a lightweight piece of aluminum angle stock forms the base for the windex.
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cat1951
Admiral

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USA
636 Posts
Response Posted - 02/15/2007 :  09:29:39  Show Profile
Although we did not do it, a previous owner did. The hole was drilled and tapped as others have indicated here. We were planning to add a windex anyway because we couldn't see it from the deck. When we took the mast down to add a furler we found the threaded base of the previous windex left in the masthead so changing it out was a simple process. Although I won't say who forgot to put the anti-bird spike on the top before raising the mast.
Edited by - cat1951 on 02/15/2007 09:33:29
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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts
Response Posted - 02/15/2007 :  10:13:05  Show Profile
Regarding the anti-bird spikes, a day after I launched a year or two ago, some sort of large bird perched on my SS windex mounting arm and bent it resulting in my windex pointing straight up. You'd think I would of learned a lesson and installed some anti-bird spikes, but I need to be hit on the head more than once to get the hint.
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ngrinich
1st Mate

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28 Posts
Response Posted - 02/15/2007 :  16:25:43  Show Profile
Thanks for all the great recommendations. It's remarkable how much experience and knowledge is reflected in these discussion threads. I'll try the masthead drill and tap.
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djn
Master Marine Consultant

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USA
1561 Posts
Response Posted - 02/15/2007 :  16:53:44  Show Profile
Remember that you are drilling into aluminium so you need to use course threads. If you use fine threads with aluminium, they will pull out the first time you to tight...that being beyond the torqe spects for the bolt you are using. I would estimate that 97 percent of all hand tightened bolts or nuts are tightened beyond torqe spec. Other than that, use blue loc-tite. Cheers.
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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts
Response Posted - 02/15/2007 :  17:53:24  Show Profile  Visit Frank Hopper's Homepage
The threads are determined by the Windex fitting.
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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.