Reply To: Influence of the Cap-iron on Hand Plane
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Good points Scott, maybe I I give it a try.
I was looking around for some more info and found this:
From Planecraft C&J Hampton Ltd. 1972 impression sponsored by Woodcraft:
Cap Iron Settings:
For rough work: 1/32″ to 1/16″ from the edge
For finishing work: 1/64″ from the edge
For hard woods with irregular grain: “as close as you can get it to the cutting edge”
The publishing history of this book is as follows:
1934 – first published
1943 – 2nd impression
1945 – 3rd impression
1950 – 4th impression (revised and enlarged)
1953 – 5th impression
1954 – 6th impression
1959 – 7th impression (revised and enlarged again)
1972 – Woodcraft sponsored printing of the 7th impression from 1959.
So from what I get it was known how the cap iron/chip breaker could help with tear out even back in the day.