This weekend I was adding lead to the nose of my
plane. Somewhere I read that I could push clay into
the nose of the fuse to take an impression of the
cavity.  Next use the clay mold and stick it into
Plaster of Paris to make an inside mold, allowing you
to poor the lead into the plaster mold instead your
fuse.
 
I let the plaster set up for an hour and proceeded to
melt my lead.  When I poured the lead into the plaster
mold it spattered out everywhere.  Kind of like mixing
water with hot grease.

I believe the problem was the plaster mold was still
retaining moisture.  The hot lead hit the mold, which
appeared to be dry after 1hr and spattered.

I'm going to to let the mold dry out for a few days
and try again.  If anybody has any experience with
this suggestions are welcome.

Erik

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