Hand Tools

Subject:
Nicholson

David weaver
I'm curious as to why Nicholson thought this was a necessary step. In order for the cap iron to be most mechanically effective, it needs to follow the sole of a plane rather than the camber of the iron. When it's relieved, the cap is then further from the point of the cut at the city's thinnest point, which is reverse of what you want. The thickest part of the cut is in the center, and thus the most critical, so the edges probably don't make a difference. As in, it won't hurt anything if you do it properly, but it doesn't have a mechanical chance to make a functional gain. I think Nicholson was off base on this one.

On a gutter plane, it would be essential to do it to follow the sole profile, though.

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Whelan planemaking book?
Re: Whelan planemaking book?
Can't answer about the Whelan book
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Thanks (NM) *NM*
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Re: Whelan planemaking book? *LINK*
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Whelan planemaking book?
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Nice Article!
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Dimensioning: Question about roughing planes
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Do you profile your cap irons?
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Nicholson
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Fun with math
Where did the ball go?
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Focussing on the key point
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(Message Deleted by Poster)
(Message Deleted by Poster)
Re: Do you profile your cap irons?
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No worries *NM*
Reference: Peter Nicholson, 'The Mechanic's Compa
Peter Nicholson plate XII, pages 91 to 93 *NM*
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Re: Reference: paragraphs 3 and 4 *PIC*
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Errors or suboptimal statements in books
Everybody makes mistakes
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Things that can be out of date, too
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Re: Whelan planemaking book?
Re: What is the title
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Thanks Patrick *NM*
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