Total work time to date: 681 hours
Diary on the construction of a Seaclipper 20, a plywood trimaran designed by Jim Brown and John Marples. Our boat's Sail No. is 50. The boat will be named GEODETICA.
Saturday, September 15, 2018
Washing the hulls
Since we had given the hull additional coats of clear resin to fill the fibergass weave, we had to wash them again to remove the amine blush in preparation for the final sanding and painting. That's how we spent three hours this saturday...
Sunday, September 2, 2018
Deck seat painting
The last six days went in successive application of 3 coats for each side of the two deck seats. Here's the beginning
We then discovered that we do have a problem with this paint. While the finish looks pleasant and durable, the paint softens if soaked in water for several hours. So we have decided that we will use this paint only for the top sides, and accepted the idea of using toxic paints (most probably one part polyurethanic enamel) for the hulls and the appendages.
Total work time to date: 678 hours
We then discovered that we do have a problem with this paint. While the finish looks pleasant and durable, the paint softens if soaked in water for several hours. So we have decided that we will use this paint only for the top sides, and accepted the idea of using toxic paints (most probably one part polyurethanic enamel) for the hulls and the appendages.
Total work time to date: 678 hours
Sunday, August 26, 2018
Deck seat washing and sanding
Five hours of work this week end. First we removed the amine blush from both sides
We then bored the 4 bolt holes using an oversize 15 mm bit to allow for coating with slightly thickened resin bringing the diameter back to 12 mm. To do that we used 12 mm bolts wrapped with adhesive tape to keep the resin separated from the steel. You could see the tips of the bolts protruding from the hole
We then bored the 4 bolt holes using an oversize 15 mm bit to allow for coating with slightly thickened resin bringing the diameter back to 12 mm. To do that we used 12 mm bolts wrapped with adhesive tape to keep the resin separated from the steel. You could see the tips of the bolts protruding from the hole
Finally, we sanded and cleaned both sided in preparation for painting.
Total work time to date: 673 hours
Friday, August 17, 2018
Painting the false transom and the rudder blade
The last six days we painted the false transom and the rudder blade with 3 coats on the upper side and 3 coats on the lower side, and every day we had to wait 24 hours for tne next coat.
Total work time to date: 668 hours
Total work time to date: 668 hours
Thursday, August 9, 2018
Swing arms done
About one our between yesterday and today to apply the second and third (final) coat on the swing arms.
Total work time to date: 665 hours
Total work time to date: 665 hours
Tuesday, August 7, 2018
Painting the swing arms
Two hours between yesterday and today: yesterday I gave the third and final coat on the upper side of the swing arms; today I gave the first coat on the lower side.
Total work time to date: 664 hours
Sunday, August 5, 2018
Forgot to mention...
...that since the second but last update I have missed to take into account the last coat on the upper side and all the three ones in the lower side of the akas. Moreover, today we gave the second coat to the upper side of the swing arms. So, the total working time is updated accordingly.
We have a problem with red paint. While the grey and the white ones are easy and pleasant to apply, the red paint appears of much lesser viscosity and is virtually impossible to use. I think there's a problem with the mixing machine and therefore we'll check with the vendor immediately.
Total working time to date: 662 hours
We have a problem with red paint. While the grey and the white ones are easy and pleasant to apply, the red paint appears of much lesser viscosity and is virtually impossible to use. I think there's a problem with the mixing machine and therefore we'll check with the vendor immediately.
Total working time to date: 662 hours
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