May be true. I can't really say that I have sen a lot of the old ones but
the couple I have were cast.

"alexy" wrote in message
...
"CW" wrote:

Newly manufactured infills are probably machined from the solid as the
low
volume would make it more economical. Old ones, when they were in
production, were cast same as any metal body plane.

AS far as I know, both old and new infills are made from steel plate,
with sides (usually of thinner plate) dovetailed to the base.


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