Hand Tools Archive

Subject:
Re: mouth question
Response To:
Re: mouth question ()

Warren in Lancaster, PA
There is one jamming problem that comes into play with tight mouths that has not been mentioned. The bottom of the wear where it meets the sole needs to be crisp. If this edge gets rounded over it can trap shavings. I did not think this was Jim's problem.

Especially in a tight mouth wooden plane this area gets worn precisely because it is doing its job of damping down the shaving. Probably harder woods and tearout prone woods cause more wear on this edge. One main cause of having to resurface the sole is to make this edge crisp enough to avoid jamming.

This problem does not occur in a double iron plane, where the mouth is usually somewhat larger.

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