In rec.crafts.metalworking, bruce bowser wrote:
On Saturday, January 9, 2021 at 5:45:56 PM UTC-5, pyotr filipivich wrote:
Oh yes, and mower blades can be used to make plane blades -
regular or shaped for a molding plane. All depends on where you want
to invest your time.
You mean adjustable blades for aircraft engines?

No, like the wood shaping tool called a "plane".

Elijah
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the flat ones make planes (math sense) out of wood