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Building a 25' Ply on Frame Cabin Cruiser #7: Scarfing Chine Logs & Sheer Clamps

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Blog entry by AlTriolo posted 05-10-2017 02:50 AM 976 reads 0 times favorited 1 comment Add to Favorites Watch
« Part 6: Scarfing Continued Part 7 of Building a 25' Ply on Frame Cabin Cruiser series Part 8: Finished scarf joints and work with the keelson »

I should have realized that 30’ boards would be a challenge. Like most steps of this project, there’s so much trial and error. I figured I’d use my driveway to glue the joints. Of course, the seams in the concrete were separated and at different heights every 10’—that is, right at the joints! So, I needed to abort on the spot and do what I could. That turned out to be gluing 3 of the 5 remaining joints. The other two I did today with a much better rig. My garbagepails make the BEST workhorses! I use them all the time! Now that I’ve got it figured out, I have no more scarfing to do.

Driveway nightmare redeemed:

What they looked like today. Pretty straight. The natural curves in the wood are more crooked than the scarfs. When I stacked them, I found that over the 30’ length, they are only about 1.5” apart at the far end.

2 10’ boards scarfed to make a 20’:

Can anyone tell me how to get a portrait photo not to flip?

Gluing:

Clamping, but not too tight, the resin is the strength:

The full picture:



1 comment so far

View English's profile

English

575 posts in 1228 days


#1 posted 05-10-2017 11:02 AM

Al,
It’s starting to take shape. I don’t envy your task of installing the chine and sheer with all the rocker on that boat. I used clamps in three different directions when install mine and it was a hard task. I had two bust out, the two that broke did not have good straight grain.

-- John, Suffolk Virgina

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