I may have got me a lemon.
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Tagged: twisty saw
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I may have bought a lemon.
I scored this tenon saw on ebay. It’s a 12″ brass backed one made be Wyzack & sons in Sheffield.
I had bought a 14″ one which was in ok condition. It had minor issues like a slight bent back, probably some idiot stood on it. Anyway it was easy to solve and after a good sharpening the progressive Seller’s way it’s been a joy to use.
So I figured why not get a brass 12″ one as well. (Yes I’m hooked )
Boy have I been mislead. There was a small mention in its description that there was a slight bend. Turns out a wavy plate like a drunk trying to walk a line. There were marks where someone had tried to pinch it in a vice but I could see the seam of the brass back was wavy as well. So after more than 5 hours of working on it with various tools ranging from dead blow hammers to my chisel hammer and a block of wood it appears the brass back is also twisted along its longitudinal axis.
So out came the pliers to try and twist the damn thing in a straight form.I finally got it more or less straight but I still have to fit the handle…
If anybody can offer any tips or advice it would be greatly appreciated.
That or a good old pat on the back might help too.Thanks
DiegoAttachments:
You must be logged in to view attached files.18 February 2015 at 4:21 pm #124804It appears you have your work cut out for you. I don’t have much experience with this sort of thing but I would consider starting with a new back. They aren’t that expensive and it would solve the problem of trying to straighten the old one and perhaps a straight back would straighten the old blade. Tgiag sells new backs in brass and steel in various sizes. Good luck.
Cheers
Thanks Sid
I thought of that too, just that the garage people only deal domestically only.
That shouldn’t be much of an issue, I suppose I could always get help from a fellow woodworker in the USA .Since it was toasted anyway, I’d figured it couldn’t possibly get worse if I did try to solve it. After some more pounding to my neighbors delight I believe I got pretty close to straight. Just not quite there.
Did sharpen the saw and it does seem to cut straight lines.
[attachment file=”P_20150219_103029.jpg”]
Guess the only reason I ever did win that auction in the first place was because of that twisty back.
Lessons learned I suppose.
So now I just have to convince everybody to stop bidding on the nice tenon saws until I get me a nice one lol.
Diego
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You must be logged in to view attached files.I admire the commitment. I bet you learned a lot in the process too. I’d just use it for rough work once you find something nicer. I spent a while renovating a nice tenon saw and then cringed whilst using it to cut though dirty rafters in my house when I was fitting some velux windows. It cut so much better than the throwaway hard point saws I’ve accumulated that I felt compelled to use it!
20 February 2015 at 7:45 pm #124866Diego – Looks good and if it cuts straight, you’re set. Nice work!
Cheers
Hi Diego,
I don’t see any severe kink in the blade – only waviness. Paul’s Youtube video of the last couple of weeks discussed the concept of rectification of bent blades in backsaws (bends in blades not kinked blades through forcing the saw). Have a look for the video – you may be able to save that saw with a few taps on the bench.
MarkH1 March 2015 at 6:21 pm #125171I’m sure that if it cuts straight that’s the important bit, anything else is just cosmetics. Well done you, it ain’t easy straightening saws.
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