pitting on the sole of a plane - Router Forums
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post #1 of 20 (permalink) Old 03-18-2019, 12:30 PM Thread Starter
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Default pitting on the sole of a plane

these are more like potholes than pitting. i got my #7 today and was dismayed when i saw the sole. that wasnt shown clearly or mentioned in the description. its about 3 inches back from the mouth. if it were in front or closer to the mouth it'd probably have more effect on performance. blades chunky too but i could deal with that. stinks that he chose to show the angle he did in the listing. i have circled it here. and heres the carnage i found today.
ive never had anything that a little flattening wouldnt take out. no word back from the seller. i imagine its going to be $25 to ship it back.
@TwoSkies57 @vchiarelli can this be used like this? i dont think its gonna crack in half but wow those are deep and its a heavy plane.
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post #2 of 20 (permalink) Old 03-18-2019, 12:40 PM
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Too bad...but it certainly won't crack in half...

You could clean out the potholes, mix up some JB Weld and just before it completely hardens take a razor blade and slice the JB down to the sole. Then wait till the JB cures completely and sand the bottom of the entire sole till satisfied it is completely flattened. JB will harden dark gray but still noticeable after cleaned up.

There may be others with other options but this is what I would do. I have used JB to repair cylinder heads between water jackets successfully and they would be under pressure after reassembled...

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post #3 of 20 (permalink) Old 03-18-2019, 01:31 PM
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pitting is a form of extremely localized corrosion that leads to the creation of small holes in the metal. The driving power for pitting corrosion is the depassivation of a small area, which becomes anodic while an unknown but potentially vast area becomes cathodic, leading to very localized galvanic corrosion. The corrosion penetrates the mass of the metal...

Now that Nick dragged that out of me..

Quote:
You could clean out the potholes, mix up some JB Weld and just before it completely hardens take a razor blade and slice the JB down to the sole. Then wait till the JB cures completely and sand the bottom of the entire sole till satisfied it is completely flattened. JB will harden dark gray but still noticeable after cleaned up.
You could clean out the potholes... what do you mean could??? make that will and use peroxide or distilled white vinegar... be sure to rinse well...

mix up some JB Weld and just before it completely hardens take a razor blade and slice the JB down to the sole.... So far so good...

Then wait till the JB cures completely and sand the bottom of the entire sole till satisfied it is completely flattened.... now this is where things can go south in a big hurry if you are not careful...

scribe lines diagonally across the bottom of the sole with a Sharpie marker to give a good indication of how true and flat it was... you'll catch on quick to the why for how come...
attach your sand paper (120/150 to start) to an old thick piece of copier glass or a granite slab that is super flat with a small homogeneous amount of spray on adhesive....
do this till the sole becomes flat...
From here on out step the grits down to sand out the scratches from the flattening....
keep going and going w/ finer and finer paper till you have a mirror finish... I like silicon carbide wet/dry for this operation....
got 1,000 or 1,500 paper??? - now we're talkin'...
got finer... why not???


Notes:
If the sole is badly out of flat start start w/ 80 grit and keep at it till you bring the sole back into the real world and proceed w/ the polishing...
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post #4 of 20 (permalink) Old 03-18-2019, 01:43 PM Thread Starter
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very understanding seller is sending a return label. this was an auction that accepts offers. usually the bad ones are buy now, sometimes after an auction no one bids on. it was cheaper than a lot of them so that should have told me something. i should have asked for a better view of the sole and the mouth. lesson learned whew. the search continues.
i do have a #6 but dang i wanted a #7 then i would be content right???????? haha

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post #5 of 20 (permalink) Old 03-18-2019, 02:16 PM Thread Starter
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my lucky day after all. found a #7 $20 cheaper and in better condition
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post #6 of 20 (permalink) Old 03-18-2019, 03:29 PM
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While the pitting is annoying it shouldn't have affected the operation of the plane. As long as the rest of the sole is flat and smooth it should work as normal. I've bought quite a few old Sheffield made chisels by many different makers, some probably well over a hundred years old and as long as there is no pitting at the cutting edge they work as well or better than new ones.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #7 of 20 (permalink) Old 03-18-2019, 03:47 PM
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Quote:
Originally Posted by twmv86 View Post
my lucky day after all. found a #7 $20 cheaper and in better condition

Great...less work for you...good luck with it...

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post #8 of 20 (permalink) Old 03-18-2019, 03:50 PM
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Quote:
Originally Posted by Stick486 View Post
pitting is a form of extremely localized corrosion that leads to the creation of small holes in the metal. The driving power for pitting corrosion is the depassivation of a small area, which becomes anodic while an unknown but potentially vast area becomes cathodic, leading to very localized galvanic corrosion. The corrosion penetrates the mass of the metal...

Now that Nick dragged that out of me..



You could clean out the potholes... what do you mean could??? make that will and use peroxide or distilled white vinegar... be sure to rinse well...

mix up some JB Weld and just before it completely hardens take a razor blade and slice the JB down to the sole.... So far so good...

Then wait till the JB cures completely and sand the bottom of the entire sole till satisfied it is completely flattened.... now this is where things can go south in a big hurry if you are not careful...

scribe lines diagonally across the bottom of the sole with a Sharpie marker to give a good indication of how true and flat it was... you'll catch on quick to the why for how come...
attach your sand paper (120/150 to start) to an old thick piece of copier glass or a granite slab that is super flat with a small homogeneous amount of spray on adhesive....
do this till the sole becomes flat...
From here on out step the grits down to sand out the scratches from the flattening....
keep going and going w/ finer and finer paper till you have a mirror finish... I like silicon carbide wet/dry for this operation....
got 1,000 or 1,500 paper??? - now we're talkin'...
got finer... why not???


Notes:
If the sole is badly out of flat start start w/ 80 grit and keep at it till you bring the sole back into the real world and proceed w/ the polishing...


You're right...I did not go into as much detail...now that I know you're watching, I'll be more careful...
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post #9 of 20 (permalink) Old 03-18-2019, 06:51 PM
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Tim - you got great answers from Stick and Nick and you certainly could do that if you were going to keep the plane, but Charles had a good answer and one that I like. You could test it out to see how it works as I don't think that pitting would have affected the operation. I'm glad you were able to get one in better condition and for less money.

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post #10 of 20 (permalink) Old 03-18-2019, 07:14 PM
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Tim...

Dem, udder fella's dun beat me to it..... Solid, GOOD advise..

Its all about FLAT... she's gotta be flat, especially on the battleship planes..Another thing about the big boys is the total contact area with the wood creates a considerable amount of resistance. So they came up with the corrugated soles... on the flat soled planes, a nice squiggly line of wax lightly applied routinely will help her run smooooooooooooooooooooth. Keep the shavings nice and whisper thin!!!!!! If your not used to the big boys yet, probably wouldn't hurt to have a lil Ben Gay sitting around LOL........

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Last edited by Cherryville Chuck; 03-20-2019 at 10:41 AM.
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