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Author Topic: Swallow  (Read 538 times)

dreadnought72

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Swallow
« on: November 04, 2018, 06:22:55 PM »


This is a static build of a typical 1930s clinker-built lugsail dinghy in 1/8th scale. About 20" long and 7" beam.


Strongback, the temporary molds made up, and a trial fit of the finished transom, transom knee and keel/stem. Parts are glued and pegged, as per full size.











I need to fettle the keel to receive the garboard plank, and then it's another nine or ten planks later to reach the whisky plank. Can't wait!


Andy
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SailorGreg

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Re: Swallow
« Reply #1 on: November 05, 2018, 03:39:17 PM »

Oooh, lovely. I'm looking forward to this. Proper boatbuilding!   :-)) :-))


Greg

grendel

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Re: Swallow
« Reply #2 on: November 05, 2018, 09:19:40 PM »

hmm, sure I have seen this on some facebook page too :-)
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dreadnought72

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Re: Swallow
« Reply #3 on: November 05, 2018, 09:40:43 PM »

 :-))  Hi Grendel ... I'll be documenting the build here. FB will just get the highlights.  ok2


Next up? Tablesawing pine blocks to make 2mm planks. I shall try to avoid amputating my fingers. :police:


Andy
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dreadnought72

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Re: Swallow
« Reply #4 on: November 05, 2018, 09:42:28 PM »

Greg, you'll love the copper rivets stage. I'm going for it - by cheating!


Andy
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SailorGreg

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Re: Swallow
« Reply #5 on: November 05, 2018, 10:02:04 PM »

Can't wait!   :-)

dreadnought72

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Re: Swallow
« Reply #6 on: November 19, 2018, 11:12:42 PM »

Clinker boats - each strake overlaps the one below it. But what happens at each end?


Well, properly, you cut 'lands' into adjoining strakes so that any clinker overlap gradually merges out. And because it's proper, I'm doing it on Swallow.


It's not tricky, but it is time-consuming. Once the strake is shaped to fit the hull, it's time to cut the lands. Here is a 3mm wide land, about 40mm long, cut into a 2mm thick strake using a Stanley blade, and then sanded smooth with the specialist tool in the background. (A bit of sandpaper glued to some wood). In the land, the strake runs down to half thickness.





...and on the boat, you do the same:





You can cut all four lands on each strake off the boat - but I've found it easier and less likely to result in disaster (lands on wrong sides) doing it this way.


In full-size proper boat-building, the strakes would be nailed to the stem and the transom, and clenched together with copper rivets along their edges. Way too much hassle! I'm glueing up the shell as I go - a technique used by those building modern 'clinker' boats from ply and epoxy. It's a clamptastic exercise!


So how do the ends look? Here's the transom. The strakes are left overlong at the moment, and won't be sanded flush until all are in place. The lands (all tongue and groovy) are working fine - I have disappearing clinkers!  :-))





...Though I doubt I could do this at a smaller scale.


Andy
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Jerry C

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Re: Swallow
« Reply #7 on: November 20, 2018, 07:26:20 AM »

I had to look it up from my Wear build. Itís called geralding.
Jerry.

dreadnought72

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Re: Swallow
« Reply #8 on: December 02, 2018, 10:13:19 PM »

Geralding progresses ...





Rudder is all-but made:





Boom jaws and mainmast sheave complete:





...but my world is still dominated by clamps:








Seven strakes to go. I've hit "two per day" this week, and the last two will have to be added 'off the molds'. There should be enough resilience in the shell by then - all becomes much firmer when the gunwales and external keel goes on.


I'm very pleased with the build so far. Slow, but technically satisfying.


Andy
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tigertiger

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Re: Swallow
« Reply #9 on: December 03, 2018, 12:33:29 PM »

I like this build. :-))
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SailorGreg

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Re: Swallow
« Reply #10 on: December 03, 2018, 01:36:59 PM »

dreadnought72

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Re: Swallow
« Reply #11 on: December 04, 2018, 01:13:34 AM »

Me too!  %%  It's satisfying. But blinkin' cold in the shed, even with an oil heater.


The hull should be off the molds later this week. Then it's fitting the insides out. I'll be superglueing most of those, so progress should be quite quick.


BTW, this is destined to be a Christmas Present. That needs posted. 'No pressure', huh?!  ;)


Andy
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tigertiger

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Re: Swallow
« Reply #12 on: December 04, 2018, 02:16:45 AM »

If you are going to post, you will get lots of good advice on safe packing here. Buying a big bag of those polystyrene packing peanuts is a good investment. If you miss the xmas post, https://www.parcel2go.com/ , I used to use the 48 hour services that worked out very cheap.
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