On Thu, 05 Aug 1999 12:15:53 -0600, you wrote:

>Suppose this speculation is correct:  Consider planing a near perfectly
>flat piece of work with a properly trued iron or wooden plane. In this
>situation, deformation of the sole due to the softness of the plane's
>material doesnt matter much but the stiffness does.  When the cast iron
>plane is pressed against the work the mouth tends to lift up ever so
>slightly because of the projecting iron.  To overcome this, more force must
>be used to flatten the mouth against the work surface.

I think there may be more give on the iron. well there is a little cushion sinc
e
the wood is softer. were a steel plane it is steel against steel. The best way
to solve this would be to take the same iron out of a steel plane and try it in
a woodies and see the difference. If someone wanted to loan me a #4 I would try
it out.

>The stiffness of wood and the hardness of steel might explain why people
>report such satisfaction with infills.
>
>Just a guess.

I have been wondering about this. I wonder how hard it is to push a infill
compared to a woodie and a say #4?

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