New life to an old saw
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I finally got round to finishing the re-cutting of my Tyzack Sons and Tuner Nonpareil No.4 rip saw. I got the saw a while ago, it has a 26″ blade. The teeth varied a bit between about 6 and 71/2 tpi and the rake was quite variable along its length as did the height of the teeth. I tried sorting it out by just sharpening it (I had never re-cut a saw). All this did was make things worse so i set about flattening it, after a few minutes and knowing i had a Diston that needed re-cutting, I thought “what am I doing?”. I took the handles off both saws, nipped up to my Brother-in-Laws workshop and used his guillotine to flatten the saws. i lost less than a millimeter more than I would have if I had filed them flat, but i saved a lot of time and effort and I got a perfectly straight edge. I re-cut the Tyzack saw to 7tpi. the 1st 2″ were cut progressively, the other 24″ have as near 0deg rake as makes no odds. So how does this approximately 100 year old saw cut? like a dream, straight as a die through a 4″x2″ a pleasure to use, no grabbing or jumping. Even on the cross cut there was very little tear out on the far side of the cut and that was without a knife wall. I am thinking of cutting the Diston as a cross cut.
23 August 2015 at 2:56 pm #129670Good going, now you know it was not as hard as your fears built it to be.
25 August 2015 at 5:22 am #129746That’s fantastic, Gooner. Incredibly satisfying to get the old saw singing again. Congratulations.
p.s. What’s this? No pictures?
@jude I got the spacing from templates available on the Blackburn Tools website http://www.blackburntools.com/articles/saw-tooth-spacing-templates/index.html
I used Bahco files, they cut nicely and one you are into the rhythm and have some good rock music playing in the back ground, time passes quite quickly. 26″ is a lot of re-cutting though.
@mattmcgrane Whats to see? its an old saw, the blade has been cleaned but the handle is untouched, I like the patina left by the previous tradesman J Satterthwaite. I think he might have been a left hander going by the marks he left behind. I’ll see if I can get some pic uploaded this week though.Last year I took an 8ppi saw and filed off every second tooth to make it into a 4-1/2ppi saw. I was just curious if there was a handier way rather than filing. Some people have access to a toothing machine.
Still, nicely done.
After a couple of cuts with the saw and being impressed with the relative fineness of the cuts I thought to myself “I bet i could cut a tennon with that saw”. i have a few big tennons to cut for a big old sapele farmhouse door I need to make. My trial run is a door I’m making for by garage form salvaged white pine previously used for shuttering. I used the off cuts from the door stiles for this wee experiment.
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You must be logged in to view attached files.I ht submit too soon. Here are the rest of the pics. you will notice i saw my tennons differently to Paul. I set the work piece so that I can see the end of the tennon and the edge of it i.e. I start the cut at a corner and cut the end and side of the tennon at the same time, turn it round when I reach the shoulder and cut the other side then finish with a vertical cut.
The pic number ****166 shows a piece of waste sitting against the tennon shoulder to show the crispness of the cut.
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You must be logged in to view attached files.10 September 2015 at 1:21 am #130251looks great mate, I’m finally starting to learn how to sharpen them myself. I’ve read to get a cleaner cut you minimise the set. Anyway on my first attempt on a practice saw I did an even cut all the way down till I realised I just converted a western saw into a jap saw. I still don’t know how I managed to do that but that’s what I did. lol
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