Total work time to date: 379 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 has been named GEODETICA and was launched on september 28th, 2024.
Tuesday, January 26, 2016
Mounting blocks
Sorry for the delay, but the editing page has been unreachable in the last few days. Only one hour last saturday which we spent to fair the four laminated mounting blocks, grinding away epoxy drips and the like. We used 40 grit disks on my old trusty B&D rotoorbital sander.
Total work time to date: 379 hours
Total work time to date: 379 hours
Sunday, January 17, 2016
Here we are again
Happy New Year! More than one month of no activity (boatwise) due to a conference abroad, Christmas holidays and family committments... Cinzia worked just about one hour to smooth a few edges on the boat...
On Saturday we cut to size and laminated the aka supporting blocks. We used 3 layers cut from an okoume plank, 20 mm thick.
Here are the various pieces
and here are the 4 blocks, epoxy laminated
Total work time to date: 377 hours.
On Saturday we cut to size and laminated the aka supporting blocks. We used 3 layers cut from an okoume plank, 20 mm thick.
Here are the various pieces
and here are the 4 blocks, epoxy laminated
Total work time to date: 377 hours.
Monday, December 7, 2015
Decking the vaka (2)
Three more hours today to scribe and cut plywood. Here's a pic of the forward deck, roughly curt from 12 mm plywwod.
And here is the last plywood panel on the boat to scribe the rear deck. At this time we've used all available panels and can only use offcuts from now on (but we should be almost done by now...)
We then scribed and cut the two doublers
Here is a final view
Total work time to date:374 hours
And here is the last plywood panel on the boat to scribe the rear deck. At this time we've used all available panels and can only use offcuts from now on (but we should be almost done by now...)
We then scribed and cut the two doublers
Here is a final view
Total work time to date:374 hours
Sunday, December 6, 2015
Decking the vaka (1)
Four hours yesterday (saturday) in which we started to work to glue the deck on the main hull (vaka).
We first planed the deck stringers flat mostly with the power planer and sanding board, checking the planarity with a straightedge.
We first planed the deck stringers flat mostly with the power planer and sanding board, checking the planarity with a straightedge.
We then scribed the shape of the forward deck on a 12 mm plywood panel
This deck has a particular shape since it protrudes about 12 cm past the gunwale from the stem back to the forward aka. These two "wings" are then doubled in thickness for the whole length. Here we are intent to draw a fair curve. Luckily enough Cinzia's mom is a seamstress so she has all the equipment to draw fancy shapes...
Total work time to date: 371 hours
Saturday, November 28, 2015
Glueing stuff
Two hours today to glue the stem doubler and the OB motor mount supports. We used more than half kg of thickened resin.
Here's the stem doubler for which we used a temporary screw since a clamp cannot reach down there
and here are the two supports for the OB motor mount, cut from 20 mm plywood and glued to the hull sides
Here we used a stud forced between the two sides to keep the pieces against the hull.
Total work time to date: 367 hours
Here's the stem doubler for which we used a temporary screw since a clamp cannot reach down there
and here are the two supports for the OB motor mount, cut from 20 mm plywood and glued to the hull sides
Here we used a stud forced between the two sides to keep the pieces against the hull.
Total work time to date: 367 hours
Monday, November 23, 2015
Stem doubler
Two more hours today on the stem doubler. This is not considered (as it should) in the early stages of construction, nor is it present on all drawings. Other drawings show a stem cap... anyway, it is there to allow enough thickness to bore a hole for the forestay eyebolt.
The stem doubler has a tricky shape due to the various angles. Here is what we came up with
Next time we'll glue everything.
Total work time to date: 365 hours
The stem doubler has a tricky shape due to the various angles. Here is what we came up with
Next time we'll glue everything.
Total work time to date: 365 hours
Saturday, November 21, 2015
OB motor mount
Last night, with the help of our friend Raffaele, we turned the boat rightside up again to work on the deck. This was easier than I had imagined even if the boat is now much heavier than before because we installed the bottom and the massive centerboard trunk.
Before decking the boat though we have to install the OB motor mount, which is a 2x6 which protrudes through the hull on the starboard side just abaft of the aft aka. It was quite stressing to cut a rectangular opening through the hull, but here is the whole thing ready to be glued and filleted.
Total work time to date: 363 hours
Before decking the boat though we have to install the OB motor mount, which is a 2x6 which protrudes through the hull on the starboard side just abaft of the aft aka. It was quite stressing to cut a rectangular opening through the hull, but here is the whole thing ready to be glued and filleted.
Total work time to date: 363 hours
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