Wooden plane's mouth - out of angle

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Forum topic by Tomicsek posted 03-05-2018 02:53 PM 450 views 0 times favorited 3 replies Add to Favorites Watch
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1 post in 861 days

03-05-2018 02:53 PM

Topic tags/keywords: plane question

Hello people,

I am repairing wooden hand plane with a chip breaker, I want it to be a smoother. At the end of this day I started to feel a bit proud of myself, cause I repaired the chip breaker, made a new handle, a new wedge (both out of black locust which is native to North America but for a few hundred years it has been really widespread here in Middle-Eastern Europe, so it’s everywhere), scrubbed the old smelly and thicky finish, straightened the sole, repaired the throat etc… So I felt I’m done when I started to think about a wooden patch at the mouth to close the opening a little bit… Then I saw it. The mouth is just out of angle… I drew lines accross the sole and measured the difference between the two corners of the blade… One of the corners is about 2 mms out of line wich is perpendicular to the wood grain…
My question is: Should I make the opening straight and perpendicuar to the body, does it worth it, or make the new mouth tightening patch ‘slanting’ as well and shouldn’t be bothered by the angle?

Thanks for your answers!

3 replies so far

View HammerSmith's profile


415 posts in 862 days

#1 posted 03-06-2018 04:30 AM

~make the opening straight and perpendicuar to the body..

I’m not sure if I understand your description of the problem, but it sounds like the blade support isn’t right.. might have to file one side down a little.. It’s hard to describe, but I had to do this on a block plane once. Otherwise the blade would’ve had to be ground out-of-square to make a proper cut.

Can you post a picture of it?

-- ~Jim

View Don W's profile

Don W

19622 posts in 3345 days

#2 posted 03-06-2018 12:03 PM

Does the blade follow the mouth? Are you saying the back of the mouth and the bed is out of square?

I agree pictures would help

-- - Collecting is an investment in the past, and the future.

View Tim's profile


3859 posts in 2739 days

#3 posted 03-06-2018 01:39 PM

A skewed plane has a bed like that, but by more than 2 mm if it was on purpose. The bed being flat and the wedge seating properly is the really important thing. Check the bed for perfect flatness and the wedge fit and you should be good.

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