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 Post subject: Mast Rotation
PostPosted: Thu Jun 10, 2004 7:59 am 
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Joined: Thu Apr 29, 2004 1:26 pm
Posts: 127
Location: San Francisco Bay Area
Last night, we went sailing in Galveston Bay under heavy cloud cover and 20 knot winds. It was blast plowing through the wakes. Anyway, we ended up kabitzing until dark, so had to de-rig by headlights. As we lowered the mast, there was a horrible screeching sound. We raised the mast back up and tried it again. This time, it came down fine. However, I noticed that the mast was 180 degrees turned around on the other side from where I've always raised/lowered it. The mast stepping pin was also upside down, making it difficult to remove. Upon further inspection, I saw several places where fresh, raw aluminum was exposed, poignantly illustrating where the screeching came from. The mast base looks symmetric. Did I do a really bad thing? Is my pin bent? Why doesn't it come down the other way? I think the wind and the dark were major factors, and my lack of experience. I guess I'll use the horn cleat as a guide from now on. Any feedback on this issue would be greatly appreciated, especially if it's good news. TIA!


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 Post subject:
PostPosted: Thu Jun 10, 2004 9:07 am 
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Joined: Mon Jul 14, 2003 7:11 pm
Posts: 4499
Location: Detroit, MI
You just had the mast turned the wrong way when you tried to take it down.

Here's the instructions from the Getaway Assembly Manual:

Image

The pin dug into your front crossbar - that's what bent it and made the bad noise.

On my 17 (which has a similar system), I wrapped electrical tape around one end of the pin to keep it from dropping down too far and hitting the crossbar.


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 Post subject:
PostPosted: Thu Jun 10, 2004 9:11 am 
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Thanks. The gouges were on the mast base, not the crossbar. Any thoughts on what caused that?


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 Post subject:
PostPosted: Thu Jun 10, 2004 9:21 am 
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Location: Detroit, MI
Might have been that the mast wasn't rotated completely to one side? Caught on the ball support (big stainless steel bolt)?

One sure thing - steel hit aluminum. It's the only thing harder that Al on the boat.


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 Post subject:
PostPosted: Thu Jun 10, 2004 9:54 am 
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Joined: Thu Apr 29, 2004 1:26 pm
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Location: San Francisco Bay Area
Yeah, good point. It was really weird. The sound started when I was still up at 60 degrees, so the screw that holds the ball shouldn't have interfered. Oh well, I'm aware of the problem now, with minimal damage.


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