I'm stating up front that I can't answer your question directly because I have
not taken the steps to flatten a sole as you're contemplating.
I have a L-N large scraper plane (patterned on the Stanley #112)with an original
L-N blade that has a similar problem in the sole and the same performance.  It
has not seen enough use to cause the issue through wear.  I did acquire it
second-hand and the sole did not have any evidence that it touched wood.  I
believe the previous owner sold it rather than deal with the issue.
OTOH I have a Stanley #12 with a dead flat sole and a Hock blade that performs
admirably.
I admit that I have not taken the trouble to contact Lie-Nielsen Tool Works
about the sole on the #112 since the #12 fills the gap in my arsenal, so I don't
know what their take is on the flat sole effect.
Frank S in IA

 

    On Thursday, March 15, 2018 7:48 AM, Matthew Groves 
wrote:
 

 I think you answered your own question.

When using a card scraper there is no sole at all, or you could think about it
as a highly disfigured sole that doesn’t even touch the wood.

Your whispy thin shavings can come with the sole just as it already is. Your
iron might not as sharp as you think.

You can remove it from the plane and test it like a card scraper. 


Matthew Groves
Springfield, MO
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