Backsaw Filing


skiback46

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Here is what I have for handsaws:

 

Old Disston Rip 3-4 TPI, maybe 3-5* degrees rake

Disston X-cut (which I plan to sharpen soon) I think 9-11 TPI and will go with 15* rake and 20* fleam.

Cheap stanley for fast rough crosscuts

 

For backsaws I have:

Disston 16":  12 ppi currently filed rip

BadAxe 14" Sash Saw:12 TPI Hybrid (10* rake, and 12.5* fleam)

Veritas Fine Dovetail saw:  22 TPI, 12* rake

Vertas X-cut Saw: 16 TPI, 15* rake, 15* fleam

Miter box saw...26-28", maybe 12+ TPI, and will file crosscut like 15* rake, 20* fleam 

 

What should I do with the Disston Backsaw?

IMake it a coarser rip saw, maybe 9 TPI?

Make it a crosscut saw, leave it 12 TPI, just relax the rake and add some fleam?

Sell it and get something else?

 

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It really depends on what you are going to be cutting.  For me, I'd leave the tenon saw at 12 and file it to 4 degrees rake, since you are capable of keeping it sharp anyway.    For the crosscut, it depends even more on what you are going to cut.  For instance, if I'm cutting clear cypress siding, I'll use one that's 12 rake, and 24 fleam with a steep slope, but I wouldn't put those teeth in hard wood.  15 and 20 is average for general use.  Less rake equals faster cut.  More fleam equals cleaner cut.  All depends on keeping it sharp and pushing it straight.

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