LumberJocks

Baby bow saw #2: More shaping

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Blog entry by Dave Polaschek posted 12-26-2020 10:31 PM 624 reads 0 times favorited 14 comments Add to Favorites Watch
« Part 1: First day’s construction Part 2 of Baby bow saw series Part 3: Wrapping it up »

This afternoon was spent shaping the cross-piece and the arms. First up, taking a spokeshave to the cross piece to thin it slightly in the middle, and make the ends match the arms nicely. It’s not going to be a huge taper, but just a little bit looks a lot better than none. Plus I get to smooth out the surface now. I don’t think I’ll be doing any sanding on this saw, so I want to fix any little spots of tear-out from cutting and planing the pieces.

Then I used the spokeshave and a knife to chamfer the corners, giving the piece a slight octagonal shape. Again, lots of grain-reading, as there are some funky reversals in this wood.

Next up we’re the arms. It’s time to round over the ends where the pins for the saw will go. I basically mark an equal amount on the top and side, then use a rasp to round over, removing my pencil marks. If it doesn’t look right, I’ll add more marks and remove a little more.

Then I took a knife and chamfered the corners on the part of the arms which will hold the string. I didn’t want to do too much, as I also need to shape the lower parts of the arms, but that’s a job for tomorrow.

And that’s it for today. I’ve got a day and a half in, and other than sharp corners on the lower parts of the arms, the saw is usable and not looking half-bad,

-- Dave - Santa Fe



14 comments so far

View Oldtool's profile

Oldtool

3354 posts in 3482 days


#1 posted 12-26-2020 10:49 PM

Coming along nicely, I’ll be looking for tomorrow’s follow up.

-- "I am a firm believer in the people. If given the truth, they can be depended upon to meet any national crisis. The point is to bring them the real facts." - Abraham Lincoln

View bandit571's profile

bandit571

30115 posts in 3975 days


#2 posted 12-26-2020 11:01 PM

Looks good from here…

-- A Planer? I'M the planer, this is what I use

View Dave Polaschek's profile

Dave Polaschek

8849 posts in 1874 days


#3 posted 12-26-2020 11:05 PM

Thanks, Tom & Bandit. It’s coming together.

-- Dave - Santa Fe

View MikeB_UK's profile

MikeB_UK

737 posts in 2326 days


#4 posted 12-26-2020 11:07 PM

Looking good dave.

Does the taper on the crosspiece also help to see the blade better as well?

On my hacksaw, because the crosspiece was so close to the saw blade I had to reshape it to a sort of oval shape because it kept getting between my line of sight and the blade – It was too thick to start with TBH which didn’t help :)

-- Be yourself; everyone else is already taken.

View Andre's profile

Andre

4853 posts in 3098 days


#5 posted 12-26-2020 11:54 PM

Looking good so far, mistake I made with mine was not having the blade first:) got lucky that a 21” one fit.
LOL, will see how yours turns out before making a miniature model.

-- Lifting one end of the plank.

View Dave Polaschek's profile

Dave Polaschek

8849 posts in 1874 days


#6 posted 12-27-2020 12:00 AM

Mike, the taper just makes it lighter. I’m almost never looking past the cross-piece at the cut, but rather looking for the side and end of the saw. I saw right handed, and my head’s about 4-6” to the left of the line the saw is on.

I’m also sawing more Chinese-style, where the blade is 45 from straight vertical in the frame most of the time. Watch Grandpa Amu saw on YouTube some time.

Andre, the only major fitment problems I’ve had were when I forgot I needed the length for the tenons on my first turning-saw. That didn’t work so well.

-- Dave - Santa Fe

View WhattheChuck's profile

WhattheChuck

467 posts in 4852 days


#7 posted 12-27-2020 01:13 AM

Looking good!

You should really put out a book. You write clearly, and concisely, and don’t use a lot of fancy tools.

Title it “Woodworking that’s Good Enough”.

It would sell a ton!

-- Chuck, Pullman, WA

View Dave Polaschek's profile

Dave Polaschek

8849 posts in 1874 days


#8 posted 12-27-2020 02:59 AM

Thanks, Chuck. I suspect there’s even less money in writing a book now than there was last time I did that back in the early 90s.

https://web.archive.org/web/20160310020323/http://davespicks.com/writing/mme/index.html

-- Dave - Santa Fe

View doubleDD's profile

doubleDD

10805 posts in 3335 days


#9 posted 12-27-2020 01:52 PM

It’s starting to get some character to it now Dave. I like the idea of no sanding, it will be like building it in the old days. I built one a few years ago to use when out hiking. It’s always in the car ready for use. They’re really cool and a lot of fun.
https://www.lumberjocks.com/projects/318737

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View Dave Polaschek's profile

Dave Polaschek

8849 posts in 1874 days


#10 posted 12-27-2020 02:10 PM

Thanks, Dave! For my “truck saw” I have a folding Japanese Silky Big Boy which comes in handy every once in a while.

For this one, I thought about making octagonal pins, since I don’t really need continuous rotation with a coping saw, and in fact it annoys me most of the time. I’ve been looking at the Knew Concepts coping saw but that’s just a crazy amount of money. Being able to put the blade at 45 and 90 degrees will probably be enough, but this time I stuck with the round pins (and it’s a lot easier to drill round holes than octagons).

Maybe next time.

And yeah, I like finishing off the knife. Some days I’m good enough to make that work, and other days I have just enough trouble reading the grain that I end up with tear-out no matter what I do. We’ll see how today goes. If I can get a nice surface, I might try kolrosing. Again, we’ll see how the day goes.

-- Dave - Santa Fe

View doubleDD's profile

doubleDD

10805 posts in 3335 days


#11 posted 12-27-2020 02:33 PM

Hey Dave that Silky Big Boy looks pretty cool. Of course I enjoyed making my own for hiking purposes but if I would of seen this first I may have bought it.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View Dave Polaschek's profile

Dave Polaschek

8849 posts in 1874 days


#12 posted 12-27-2020 04:23 PM

It is cool, Dave. Mine has the orange handle, too. That’s saved me from losing it in a pile of brush at least once.

-- Dave - Santa Fe

View WhattheChuck's profile

WhattheChuck

467 posts in 4852 days


#13 posted 12-27-2020 09:39 PM

Well, Dave, one never writes for the money. Even those that do it for a living.

But re: a book on Mead—you’re just ahead of the curve! ;-)

-- Chuck, Pullman, WA

View Dave Polaschek's profile

Dave Polaschek

8849 posts in 1874 days


#14 posted 12-27-2020 09:45 PM

Yeah, I get that Chuck. But now that I’m a retired guy, I don’t know that I’ll do writing other than stuff on here (which scratches that itch for me pretty well).

-- Dave - Santa Fe

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