Sunshine Yacht Tender Model #11: Lining off the planking

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Blog entry by kharder posted 11-09-2012 03:19 AM 2083 reads 0 times favorited 2 comments Add to Favorites Watch
« Part 10: Transom, Stem and Rabbet Part 11 of Sunshine Yacht Tender Model series Part 12: First planks, the garboards »

A bit of progress on lining off the planking to post. This went easier than I was expecting, once I read up on how it’s done. Basically the sheer line (top edge of the boat hull, bottom edge here) is fixed and you want plank lines that are mostly parallel but a bit wider near the middle than in the ends. Other than that the top planks are similar in width and get wider toward the bottom of the boat and I knew that this boat is planked with 7 planks. From there its just trial and error until it looks right.

With the lining off battens super glued on the forms you can finally see the shape of the boat. Here is a top view.

This was the first attempt, not too bad but the third from the keel is a bit off and was later fixed. The plank near the sheer has extra width to account for trim that will visually make it narrower when complete.

Now I need to mark that spacing on to the other side and start making the planks.

Build Costs:
  • Plans – $45.00
  • Lofting Supplies – $6.50
  • Lining-off Balsa Strips – $6.0
  • Strongback and Molds – $18.50
  • Soft Maple, Jatoba and Alder – $94.50

Total Cost = $170.50

Build Hours:
  • Lofting – 16 hours
  • Molds – 12 hours
  • Materials Research – 4 hours
  • Backbone – 8 hours
  • Stem Rabbet – 3 hours
  • Lining Off – 2 hours

Total Build Hours = 45 hours

Next Steps
  • Start planking the hull

2 comments so far

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1251 posts in 2535 days

#1 posted 11-09-2012 03:32 AM


-- Joel

View Mark Shymanski's profile

Mark Shymanski

5623 posts in 4194 days

#2 posted 11-09-2012 05:34 AM

Very interesting! I’ve got to stop reading boatbuilding blogs…either that or start building a boat.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

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