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Need a better trick for finding the high spot...

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Forum topic by ben posted 2444 days ago 760 views 0 times favorited 9 replies Add to Favorites Watch
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ben

158 posts in 2475 days


2444 days ago

Topic tags/keywords: leveling surface corners

I am prepping to finish my third tWW cutting board (first was a trial, second and third are gifts), and my third one has a slight problem. When put down side down, it has a slight willingness to rock. I have been using my card scrapers to clean to do the cleaning, but I don’t seem to be finding the right spot. (Side note: now that I followed the file/hone/burnish routine on these things, they are awesome. I even prefer using them to my veritas LA block plane! In any case…)

I’ve tried:
  • using straight edge corner to corner and side to side. This finds the low in the middle, but I can’t see the specific high spot.
  • putting chalk all over my table surface, and rocking and sliding around. This showed me the corners, and improved the situation, but since it’s end-grain, it left a little bit of chalk in one spot that isn’t interested in being removed, so I don’t want to do this again.

Anybody have any easier tricks/ideas/other cleverness?

Thanks.

-b


9 replies so far

View mot's profile

mot

4911 posts in 2641 days


#1 posted 2444 days ago

Have you tried winding sticks?

-- You can discover more about a person in an hour of play than in a year of conversation. (Plato)

View ben's profile

ben

158 posts in 2475 days


#2 posted 2444 days ago

No-sir-ee-bob. That’s a fine idear.

I have never used them, but have read about them. I recall reading someplace that I could make them myself… Just found the FWW #177 article about making them yourself, so I think I’ll have a go at that. Thanks!

-b

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mot

4911 posts in 2641 days


#3 posted 2444 days ago

Oh yeah, easy to make yourself. I just wanted to have a picture for you to look at that made the process easier to explain.

-- You can discover more about a person in an hour of play than in a year of conversation. (Plato)

View Thos. Angle's profile

Thos. Angle

4435 posts in 2567 days


#4 posted 2444 days ago

Any two straight boards will work. Try using your level all over the piece to determine where the high spot is. that bench that guy in the picture has is too clean and nice to be real. Unless he just finished it last night.

-- Thos. Angle, Jordan Valley, Oregon

View mski's profile

mski

412 posts in 2585 days


#5 posted 2443 days ago

We are making those cutting boards also , just getting things glued up now, everyones getting one for Christmas,
Your problem sounds like it’s warped, not just a high spot.

-- MARK IN BOB, So. CAL

View Peter Oxley's profile

Peter Oxley

1426 posts in 2479 days


#6 posted 2443 days ago

I’m far from being a handplane expert – but wouldn’t a jack plane set really shallow find an knock down the high spots?

Hey Tom, that workbench is on a showroom floor somewhere!

-- http://www.peteroxley.com -- http://north40studios.etsy.com --

View ben's profile

ben

158 posts in 2475 days


#7 posted 2443 days ago

Re: the winding sticks. Here’s what i did: joint the long side until my straight edge said straight. Then joint a perpendicular edge likewise. Then rip (tablesaw) the parallel thin edge. My 2 jointed edges were excellent, but the ripped edge is a touch off.

I decided it was close enough, and lined things up, and basically discovered (a) having different height winding sticks would be better, since the angle means I’m not sighting across the 1/2 inch surface, but instead sighting the edges, and (b) I really do need glasses. Damn. Anywaiz, I kept at it, and scraped it down enough that it doesn’t rock.

Any suggestions on improved technique for making winding sticks? I love the idea, just need to improve my use of it :)

——

mski—I’m going strictly off intuition here, but I wouldn’t expect to see much warping from an end grain board… am I mistaken here? (Additionally, I rested, rough milled, and re-rested the wood before final milling.)

Ebanista—for a single board, that’s probably too involved. However, I may make another batch of these for gifts in a couple weeks, and it would be worth trying your rig if I can do 3-5 at a time.

Peter—I have a jack plane, and tried exactly that, but found myself struggling to either (a) cut anything when too shallow or (b) push through the end grain cut when too deep. The sweet spot eludes me :) To be fair, although I sharpened the blade, I think the plane itself isn’t setup quite right, cuz I seem to get cuts on one side of the plane instead of across the whole thing. Perhaps that’s where I should spend my time :)

View mot's profile

mot

4911 posts in 2641 days


#8 posted 2443 days ago

http://www.newwoodworker.com/windingsicks.html

It’s a nice little primer. Tom Hintz has a knack for explaining things.

Cheers!

-- You can discover more about a person in an hour of play than in a year of conversation. (Plato)

View Chris 's profile

Chris

1867 posts in 2596 days


#9 posted 2443 days ago

Thanks for the link Mot!

-- "Everything that is great and inspiring is created by the individual who labors in freedom" -- Albert Einstein

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