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From YouTube: Boring half moons to perfection
Description
Use a feeler gauge set so you can detect any gaps
B
So,
as
you
can
see
here,
it
won't
go
all
the
way
down.
I'm
gonna
have
to
stick
that
vertically,
but
it'll
be
ok,
because
it's
only
machining
this
this
little
bit
at
twenty
thousands
per
tag
versus
you
know
everything
at
twenty
thousands
per
take
which
speeds
it
up
a
lot.
So
now,
I'm
pretty
close
to
done
with
this
I'm.
Just
trying
to
decide
whether
I
should
take
more
or
not
how.
B
B
I
mean
I
don't
know
how
tight
it's
got
to
be.
That's
why
I'm
testing
it
right
now
to
see
you
can
see
it's
really
close
right
now
I
mean
it's
like
I
might
be
able
to
go
a
little
more,
I'm
not
sure
if
I
should
so
this,
the
top
right
now
is
two-and-a-half
thousands
bigger
than
the
bottom.
B
So
just
kind
of
trying
to
see
and
I
got
this
feeler
gauge
set
over
here
to
check
that
blade
gap
or
the
gap
between
it
because
that'll
tell
me,
I
mean
it's
hard
to
see
by
I,
but
basically,
if
it's
not
machined
enough,
you
know
the
inside.
There
should
be
a
gap
right
here
at
the
center
and
if
it's
to
machine,
there's
going
to
be
a
gap
at
the
sides,
so
I
just
got
these.
These
go
all
the
way
down
way.
Small,
let's
see
where
were
they?
B
B
And
see
the
thing
is
I
think
there's
going
to
be
enough
force
on
that
or
if
there's
a
little
bit
of
play,
it'll
probably
deform
this
to
make
it
a
perfect
fit
so
I'm
not
really
sure
how
far
to
go.
This
is
something
we
got
to
experiment
with.
I
mean
probably
the
only
people
in
the
world
that
know
are
the
engineers
that
design
machines
like
this
and
the
people
that
fabricate
them
and
I
haven't
been
able
to
find
information
like
that
anywhere
show.
Okay,.