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Coping Bowsaw #4: Finish

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Blog entry by MikeB_UK posted 01-07-2021 11:37 AM 315 reads 1 time favorited 7 comments Add to Favorites Watch
« Part 3: Fit the handles to the frame Part 4 of Coping Bowsaw series Part 5: Test Drive »

Need some final shaping and making the whorl & toggle

Shape the handles clamped together so they end up the same size/shape.

And just hack bits off with a knife & rasp until I’m happy with the final shape.

Onto the crossbar, much the same process.

Put it together to see how it looks.

Next up is the whorl, chop another piece out of the birch.

And cut the mortice.

Shape the curve and cut off the waste.

Measure up for the toggle.

Everything is more or less done so test it out.

The toggle looks way too chunky so I’ll have to reshape that, and the brass plate I added to the end of the handles to reduce friction works far too well, not my brightest idea, so I’ll need to make some leather washers to go between them and the handle to stop things from slipping.

That’s my smallest coffin plane at about 3 ¼ inches long, works great for bevelling small pieces.

The leather washers work, can cut curves without the frame swinging about now.

And that’s it, should get more of a contrast between the apple and birch as they darken over time.

-- Be yourself; everyone else is already taken.



7 comments so far

View Dave Polaschek's profile

Dave Polaschek

6678 posts in 1559 days


#1 posted 01-07-2021 12:12 PM

Looking good. I’ve seen many other people use whorls on bow saws, but never found the need for one myself, and I find that not having one gives me a little more slack for moving the toggle to the side on the last turn or two as I’m tightening the saw up.

Also interesting to see that the brass plates made things too slippery. I thought that might be the case.

-- Dave - Santa Fe

View MikeB_UK's profile

MikeB_UK

264 posts in 2011 days


#2 posted 01-07-2021 01:01 PM



Looking good. I’ve seen many other people use whorls on bow saws, but never found the need for one myself, and I find that not having one gives me a little more slack for moving the toggle to the side on the last turn or two as I’m tightening the saw up.

Also interesting to see that the brass plates made things too slippery. I thought that might be the case.

- Dave Polaschek


The toggle has an overlenth tennon, so you don’t need to angle it at all to tighten. Just slides up and down in a loose fit mortice on the crossbar.

-- Be yourself; everyone else is already taken.

View HokieKen's profile (online now)

HokieKen

16109 posts in 2115 days


#3 posted 01-07-2021 02:52 PM

Well done Mike. I like these saws you and Dave made a lot. Now to decide if I want to make one of these or keep lusting after a knew concepts…

-- I collect hobbies. There is no sense in limiting yourself (Don W) - - - - - - - - Kenny in SW VA

View MikeB_UK's profile

MikeB_UK

264 posts in 2011 days


#4 posted 01-07-2021 03:49 PM



Well done Mike. I like these saws you and Dave made a lot. Now to decide if I want to make one of these or keep lusting after a knew concepts…

- HokieKen


Cheers Kenny
Make one and paint it red ;)

-- Be yourself; everyone else is already taken.

View MikeB_UK's profile

MikeB_UK

264 posts in 2011 days


#5 posted 01-07-2021 03:52 PM

I’m working out if it’s worth it to make an attachment so I can use pinless fret/scrollsaw blades in it as well.

I have a feeling I’d make it then never use it, chuck it in a drawer and forget about it.

Perhaps one that can stay in place while not being used.

-- Be yourself; everyone else is already taken.

View Dave Polaschek's profile

Dave Polaschek

6678 posts in 1559 days


#6 posted 01-08-2021 03:36 AM

The toggle has an overlenth tennon, so you don’t need to angle it at all to tighten. Just slides up and down in a loose fit mortice on the crossbar.

Huh! I’d missed the fact that the toggle sits in a mortise on the crossbar. Mine have always just rested against the side. Interesting difference I hadn’t noticed.

New Quercus magazine (issue 4 already) arrived in the mail from the UK today. If you aren’t reading it, you should consider it.

-- Dave - Santa Fe

View MikeB_UK's profile

MikeB_UK

264 posts in 2011 days


#7 posted 01-08-2021 07:39 AM


Huh! I’d missed the fact that the toggle sits in a mortise on the crossbar. Mine have always just rested against the side. Interesting difference I hadn’t noticed.

Main advantage of the whorl is that you can remove the toggle to do a half turn.
The mortise is just so i don’t slide the toggle down too far by mistake during normal use and have it fall out and everything unwind.


New Quercus magazine (issue 4 already) arrived in the mail from the UK today. If you aren’t reading it, you should consider it.

- Dave Polaschek


Cheers, I’ll check it out.

-- Be yourself; everyone else is already taken.

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