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Building a Yacht Tender

Blog entry by BigBob posted 379 days ago 1931 reads 3 times favorited 13 comments Add to Favorites Watch

I’m really enjoying this site, and I thought you all might like to see something a little different and what it takes to build a small yacht tender.
Boat building is totally different from cabinetmaking, as nothing is square, everything is on different plane, and it takes some practise to learn to make compound curves that are pleasing to the eye. We call it a ” fair” curve.
This is a 10 ft yacht tender that I built for a friends sailboat. I also made them a ships wheel and some otjher goodies.
The plans are from around 1932. I found them in an old book. First you “loft” the lines. That means to take the designers plans, and draw them full size so that you can make patterns and then molds, from which the hull is built .
Basically it’s like the old connect the dots drawing that kids do. You take a piece of plywwod and draw a grid. The ” offsets” are the designers points expressed in ft/ inches/ and eights. So a notation from the table would say 8-10-3, which means 8 ft, 10inches and 3/8”. You put a point on the grid and drive an icepick in it. Then you bend a batten around it and draw a line. They call it “lofting” because in the old days the only flat wooden floor in a boat shed to draw on was in the loft. From there you pick up patterns.
Here is what it looks like:

The plans.

A thin piece of plywood is slipped under the pointers and drawn on the pattern.

You now have half of the mold and you make a full size mold like this:

The full set of templates are pattern routed onto plywood for the full size mold.

I built a level strong back to build the hull on and set up the molds. The hull is built upside down.My workbench is perfectly flat, and ensures a level strongback.

The completed mold .

Strip planking started.

The hull is made of Honduras Mahogany and Alaskan Yellow Cedar. It is covered with 6 oz cloth and epoxy
follwed by ten coats of UV varnish. I hope you enjoyed something a little different

The completed yacht tender.

Hull #2


13 comments so far

View Thos. Angle's profile

Thos. Angle

4015 posts in 854 days


posted 379 days ago

WOW!! that’s some pretty work.

-- Thos. Angle

View DaveR's profile

DaveR

1516 posts in 612 days


posted 379 days ago

Finastkind. Very lovely little boat. Do you know who drew the lines?

I’ve been trying to decide on the next boat. I think the list is getting longer; not shorter.

-- Until you spread your wings, you'll have no idea how far you can walk.

View BigBob's profile

BigBob

59 posts in 381 days


posted 379 days ago

The lines are in John Gardners book BUILDING SMALL CRAFT. It is the Lawley Tender.

View DaveR's profile

DaveR

1516 posts in 612 days


posted 379 days ago

Ah, yes. I thought it looked familiar. Thank you.

Dave

-- Until you spread your wings, you'll have no idea how far you can walk.

View thetimberkid's profile

thetimberkid

1944 posts in 595 days


posted 379 days ago

Wow, great job!

Thanks for the post

Callum

-- For wood working podcasts with a twist check out http://thetimberkid.com/

View Bob42's profile

Bob42

285 posts in 682 days


posted 379 days ago

Beautiful!!

Great job.

-- Bob K. East Northport, NY

View woodworm's profile

woodworm

8135 posts in 482 days


posted 378 days ago

Very interesting blog post.
Agreed with you that boat building is different from cabinet/furniture making. It has different level of painstaking. You have to have higher conciousness that you have greater liability & responsibility to fullfilling your customer’s satisfaction, cos you are dealing with his safey as well.

Great job and good luck!

-- masrol, kuala lumpur, MY.

View sis's profile

sis

7 posts in 368 days


posted 366 days ago

Bob, I’d like to build the 9’ Lawley Tender. Could you possibly send me a readable copy of the plans or tell be where I can buy them(besides in the gardner book?
thanks, Sis

View Blake's profile

Blake

2753 posts in 766 days


posted 366 days ago

Wow, gorgeous. I love the progress photos of the lofting process.

-- Check out my new website! http://www.blakeweberwoodworking.com

View SCOTSMAN's profile

SCOTSMAN

2238 posts in 477 days


posted 366 days ago

absolutely beautiful workmanship.To my poor eyes it looks longer than ten feet. I would have thought twelve to fourteen ,well done again .Now can you make an old Sctotsman one around one hundred and forty feet with cabins a funnel and acanon a jolly rodger flag and an all female beardless crew LOLAlistair

-- excuse my typing as I have a form of parkinsons disease

View sis's profile

sis

7 posts in 368 days


posted 365 days ago

Bob I got the book—It only had the 12’Lawley tender or the Lawton 10’.. So I’m going with the Herreshoff 10’ Pram. Wish me luckI I’m going to set it up as a sailor with a centerboard, so the bottom will be altered.
Sis

View PetVet's profile

PetVet

233 posts in 379 days


posted 365 days ago

As a sailor, I really appreciate you sharing this with us. There is something so intrinsically beautiful about wooden boats.

-- Rich in Richmond

View sis's profile

sis

7 posts in 368 days


posted 363 days ago

Bob, I tried sending an email tothe person you recommended and it wouldnt go through (for you to send the photo copies of the Lawley 10’ tender) I got the book, but the lawley seems to be 12’. any suggestions?
thanks, Sis

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