>In case this is getting off topic, in relation to woodwork, I know people who use precision straight edges and reference flat >surfaces to get the bottoms of planes very flat (or not exactly flat on purpose - but that’s a different topic).
>Andrew
Just done that with an old Pope Falcon 9" copy of a Stanly plane. It will mainly be used for soundboards the difference in performance compared to an old lumpy plane is significant. There was an article in fomri titled "Plane scraping for profit and pleasure"
http://www.fomrhi.org/uploads/bulletins/Fomrhi-022.pdf
Richard
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