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Blade camber shape?

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Forum topic by Ray posted 04-24-2014 01:04 AM 600 views 0 times favorited 2 replies Add to Favorites Watch
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Ray

119 posts in 1463 days


04-24-2014 01:04 AM

I am in the process of grinding an 8” camber on a blade for a 605 1/2 plane. I have read a few articles that mention a “flat” in the center of the arced edge and others that do not reference a flat.This is my first attempt at grinding a camber.

Should the camber be a perfect arc or should it have a small flat? I will be using this plane for stock removal prior to using a #7 and then a smoother.

Thanks

-- Creating less fire wood every day


2 replies so far

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bandit571

14544 posts in 2144 days


#1 posted 04-24-2014 01:17 AM

Might have a picture, somewhere, but

Usually I try to make a full arc on a camber.. Some irons have the camber just at the outside corners, the rest of it is straight across. Mainly a dubbing of the corners to prevent tracks in the wood.

This one is from a Corsair C-5 that i use as a scrub jack plane. Full 8” arc. Kind of rough to re-hone, if it ever needs it. Haven’t needed to hone it again, though.

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

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woodchuckerNJ

1153 posts in 1094 days


#2 posted 04-24-2014 01:19 AM

I just reconditioned an old wooden plane. Probably 1800s to early 1920s.
The blade was cambered heavily. The plane is what I feel a jack would be in length.. Not sure as I don’t have much experience in wood planes from this era. They are different from modern wood planes in lots of ways.

I was surprised by the amount of camber.

It works wood very nicely. Ever so gentle, or if set deep, it will take some heavy cuts.

I know this doesn’t answer your question, but thought it might help. Experiement, add more camber until you think your done. If you want to remove stock, camber all the way like a scrub. If you want to fine tune a board, flatten and camber toward the edges.. Whatever you do, you’ll learn a bit.

-- Jeff NJ

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