Tapping, or percussion testing, is an extremely helpful non-destructive inspection technique. It can provide information of a vessels structural integrity which may not be visually noticeable. Percussion tapping usually causes no damage, except for perhaps a small localized loss of bottom paint.
PDF file: Percussion Tapping.
This is a very practical article on thru-hulls and seacocks, which includes a brief overview of alloy composition and new products on the market which includes non-corrosive composite material types for those of you who want to minimize sources of corrosion on your boat. Bob
Image copyright: sailmagazine.com
Read the article on Sail Magazine: Thru-hulls and Seacocks.
Ahoy! Welcome to my Marine Journal.
Over the coming months, I’ll be posting news, articles and important regulations in the world of Marine Surveying, as well as some interesting case studies.