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spoke shave across the grain

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Forum topic by Eric posted 07-01-2015 12:51 PM 601 views 0 times favorited 6 replies Add to Favorites Watch
View Eric's profile

Eric

216 posts in 1971 days


07-01-2015 12:51 PM

I need to plane a concave curve. Before I spend my &, can a round bottom spoke shave be used across the grain?

OR

Does anyone have a cost-effective lead on a round-blade plane that would let me go with the grain? I working the underside, concave curve of a sleigh bed head/foot board.

-- Eric


6 replies so far

View Bill White's profile

Bill White

4448 posts in 3421 days


#1 posted 07-01-2015 01:09 PM

Angle the spoke shave just like you’d angle a bench plane for cross grain cutting. This allows the blade to “shear” the wood fibers.
To answer your question, a convex bottom spoke shave will work well on concave surfaces.
Bill

-- bill@magraphics.us

View jdh122's profile

jdh122

879 posts in 2278 days


#2 posted 07-01-2015 01:18 PM

Yes, it will work. Make sure it’s sharp, obviously. You can angle it like Bill mentions, although if the curve is too tight this will not really work, since it kind of reduces the curvature of the sole.

-- Jeremy, in the Acadian forests

View shipwright's profile

shipwright

7164 posts in 2258 days


#3 posted 07-01-2015 02:35 PM

You might try a custom shaped scraper as well.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

View Ripthorn's profile

Ripthorn

1406 posts in 2445 days


#4 posted 07-01-2015 02:49 PM

I’m a little confused at you stating across the grain and then mention a sleigh bed part. Can you not go with the grain with a spokeshave? A custom scraper will work nicely and would be a lot cheaper than either of the other tools. If you can go with the grain, a sharp scraper will shape and finish nicely.

-- Brian T. - Exact science is not an exact science

View Eric's profile

Eric

216 posts in 1971 days


#5 posted 07-01-2015 03:44 PM

I’ve pieced the top curved unit together at 20 degree angles. I’m hoping to “plane” that curved joint smooth on the concave side after glue-up.

-- Eric

View rwe2156's profile

rwe2156

2190 posts in 941 days


#6 posted 07-02-2015 11:11 AM

I’ve had problems with chattering on end grain even with a flat spokeshave, but its possible depending on the wood.
Try it and if that happens then a scraper is the way to go IMO.

-- Everything is a prototype thats why its one of a kind!!

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