Replacing Double Screw Fixings on a 1951 Classic Right Royal
by Tim Rowe
(Glendalough, County Wicklow, Ireland)
Replacing double screw fixings in a honduras mahogany plank on a Canadian rock elm frame 1951 classic Right Royal
Hi I have a 1951 sailing boat built for the Royal Engineers to do the Fastnet Race.
I am the fourth owner.
The Regiment/ an Officer owned her for 15 years each and the owner prior to me, a naval architect, had her for 25 years and did a circumnavigation.
His next trip was to be across the Atlantic, up the west coast of the U.S. to Alaska.
As part of his preparation he double screwed each plank with a view to strengthening and stiffening the hull.
I had her out of the water a couple of weeks ago and noticed a small section of rot.
The rot had arisen because of water ingress at the point of a double screw fixing, the screw fixings had only a few millimeters between them.
I removed a section of the plank so I could get fixings onto 3 frames either side of the damage and fitted a new section of plank, fixing with copper nails and roves, caulked and no problem.
A more detailed inspection suggested that there may be the start of other rot at double screw fixing locations.
I am intending to sand down to discover all the screw fixing locations and replace with copper nails and roves and if necessary cut out any dodgy pieces of timber.
A local boat builder has suggested single copper nail and rove fixings as opposed to double, and, having removed the screws to clean out the hole to make sure there was no rot and hammer in a Douglas Fir, or other pine wedge, into and through the hole having dipped the pine into anti-fouling paint.
The new copper nail fixing to then be hammered through a pilot hole into one of the wedges.
I would appreciate comments regarding this course of action.
By the way the boat is a cracker and having just sailed the Bay of Biscay in her is as steady as a rock.
We did 240 miles in 44 hours through some good seas so I want to make as sure as I can that I get her right.
Possibly part of the difficulty was that she was moored in fresh water for about a decade.
Thanks in anticipation of your responses.
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