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by
David Pascoe |
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From
Article
SCREW
IT!
Graphic
Reasons Why
Screws Shouldn't be Used to Fasten Boat Parts
Photos
by David H. Pascoe, Marine Surveyor
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Subject
vessel with stern rub rail removed. |
IIllustration
showing how a typical hull/deck lap joint is put
together with screws. In this case, the improper
fit of the deck leaves a large gap between the two
parts, making the joint even weaker than it normally
would be. |
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Close
up view of the mismatched deck joint. |
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The
gap is seen to be nearly one inch.
The
builder's solution was to pack the gap full of putty
that later fill out. |
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Here's the
result on the interior:
Water
leaking into the hull around every screw.
To make matters
worse, the hull is cored and water got into the
core. |
Go
to Article
Related Photos:
Hull Design Defects Part II
First posted on October 20,
1997 at David Pascoe's site:
www.yachtsurvey.com.
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