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Hand Tool Journey #15: Shop Made Dovetail Layout Compass.. Part 3

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Blog entry by Airframer posted 439 days ago 1471 reads 0 times favorited 8 comments Add to Favorites Watch
« Part 14: Shop Made Dovetail Layout Compass.. Part 2 Part 15 of Hand Tool Journey series Part 16: Shop Made Dovetail Layout Compass.. Part 4.. Almost There.. »

I’m pretty excited right now. I just finished attaching the legs to the hinge and so far nothing has fallen apart!

From what I can tell the hardest part is behind me and now it is just a matter of shaping and fitting the adjuster arc to the legs.

I also got the fine tuning nut built up and tapped. I still need to make an adjusting screw for the arc but that won’t take very long.

Today at the OB appointment we were told that we will be induced on the 20th so only a week left to get this and my tools swap project done before baby arrives… I’VE GOT WORK TO DO!

So enough of my blabbing here are some updated pics of todays progress.

Mortises came out much tighter than I thought they would.. quite pleased with myself :-)

Stay tuned for more..

-- Eric - http://theidiotgaloot.com



8 comments so far

View Mosquito's profile

Mosquito

4500 posts in 889 days


#1 posted 439 days ago

Man, you’re really movin’!

Looks like it’s coming together in a hurry. Nice work

-- Mos - Twin Cities, MN -- Stanley #45 Evangelist - www.youtube.com/MosquitoMods

View Airframer's profile

Airframer

2270 posts in 550 days


#2 posted 439 days ago

Thanks Mos! I have the final mechanical pieces finished and gluing up right now. After that I just need to position and drill for the pins then out comes the rasp and sand paper :D Almost done!

-- Eric - http://theidiotgaloot.com

View Airframer's profile

Airframer

2270 posts in 550 days


#3 posted 439 days ago

Here is a sneak peek at my layout compass just about ready for final shaping :D The thumbscrew is temporary. I still need to make one for it and work out the fine tuning spring but… It functions like a compass now :D

-- Eric - http://theidiotgaloot.com

View Mosquito's profile

Mosquito

4500 posts in 889 days


#4 posted 439 days ago

Looking good so far. Are you at all worried about how thin it is by the hinge?

-- Mos - Twin Cities, MN -- Stanley #45 Evangelist - www.youtube.com/MosquitoMods

View Airframer's profile

Airframer

2270 posts in 550 days


#5 posted 439 days ago

I was at first but it is proving to be surprisingly strong. I placed the grain running up the hinge so it’s all long grain not cross grain. The only abuse I can conceive of that would put enough stress on the hinge to break it would be if it fell off the bench but, any tool risks destruction from a fall. I knocked my 1/4” chisel off my work table yesterday and lets just say it will be getting a new bevel >:[ It has a big chip on the corner of it now…

-- Eric - http://theidiotgaloot.com

View Mosquito's profile

Mosquito

4500 posts in 889 days


#6 posted 439 days ago

ouch… I did that with a chisel I had just spent 30 minutes sharpening… it sucked

-- Mos - Twin Cities, MN -- Stanley #45 Evangelist - www.youtube.com/MosquitoMods

View Airframer's profile

Airframer

2270 posts in 550 days


#7 posted 438 days ago

Mos – to further update your question about the hinge strength…. I now am fully confident int he holding ability of the hinge. I was just trying out adjustment spring designs and was testing the spring ability of a piece of brass and as I closed the compass fully (had to squeeze it with my hand to test.. lots of resistance there) I heard a pop.. after recovering from my heart attack I gathered up enough guts to look at the hinge. The hinge was in one piece but it has failed at the glue joint. Nothing broken I just have to better glue it to the hub. The hinge had passed it’s first stress test… it was the glue that failed me. I originally used the red Titebond and am re-glueing it with Titebond III. Should be good to go now.

-- Eric - http://theidiotgaloot.com

View Mip's profile

Mip

302 posts in 675 days


#8 posted 438 days ago

Looking good so far. Looks like some of the tools Bridge City use to make. I was going to ask what the OB was, but then you mentioned the baby and I figured it was the OB-GYN, which is a whole ‘nother story.

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