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

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Blog entry by Airframer posted 05-10-2013 09:52 PM 1565 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 - "I'm getting proficient with these hand jobbers. - BigRedKnothead"



8 comments so far

View Mosquito's profile

Mosquito

4720 posts in 958 days


#1 posted 05-10-2013 11:57 PM

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 (online now)

Airframer

2518 posts in 618 days


#2 posted 05-11-2013 12:58 AM

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 - "I'm getting proficient with these hand jobbers. - BigRedKnothead"

View Airframer's profile (online now)

Airframer

2518 posts in 618 days


#3 posted 05-11-2013 01:46 AM

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 - "I'm getting proficient with these hand jobbers. - BigRedKnothead"

View Mosquito's profile

Mosquito

4720 posts in 958 days


#4 posted 05-11-2013 02:07 AM

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 (online now)

Airframer

2518 posts in 618 days


#5 posted 05-11-2013 02:58 AM

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 - "I'm getting proficient with these hand jobbers. - BigRedKnothead"

View Mosquito's profile

Mosquito

4720 posts in 958 days


#6 posted 05-11-2013 04:10 AM

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 (online now)

Airframer

2518 posts in 618 days


#7 posted 05-11-2013 04:09 PM

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 - "I'm getting proficient with these hand jobbers. - BigRedKnothead"

View Mip's profile

Mip

320 posts in 743 days


#8 posted 05-12-2013 12:13 AM

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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