How many holes is too many?

Nov 21, 2012
807
Momentarily Boatless Port Ludlow, WA
I'm looking at buying a 1982 47' monohull, which as you would expect has had a number of modifications over the years. It looks like the gooseneck attachment was replaced at some point, leaving a bit of Swiss cheese behind. How bad is it?
1778248601859.jpeg
 
Sep 25, 2008
7,668
Alden 50 Sarasota, Florida
Keep in mind the holes through which that mast winch is bolted are far larger and under more stress than the gooseneck area. Having said that, only a structural engineer well versed in marine design might be capable of a dependable answer and even then , it would be no more than an educated guess.
 
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jssailem

SBO Weather and Forecasting Forum Jim & John
Oct 22, 2014
24,455
CAL 35 Cruiser #21 moored EVERETT WA
As suggested by @Don S/V ILLusion , I would seek information from a professional source.

Here on the West Coast, I like Ballenger Spar Systems in Watsonville CA.
 

capta

.
Jun 4, 2009
5,067
Pearson 530 Admiralty Bay, Bequia SVG
I'd sail that mast as is, except I'd probably fill the holes. It's not like water can't easily come into the mast from aloft, but bees and unnecessary corrosion aren't needed. JB Weld or such.
 
Jan 19, 2010
12,890
Hobie 16 & Rhodes 22 Skeeter Charleston
I'd sail that mast as is, except I'd probably fill the holes. It's not like water can't easily come into the mast from aloft, but bees and unnecessary corrosion aren't needed. JB Weld or such.
I was thinking along similar lines, but I’d probably install a rivet in the hole. The tension from the rivet pressing against the inner surface could help restore some of the mast’s structural integrity. If the mast begins to flex, the rivet should help distribute that stress more evenly across the hole.
 
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