lost wax process
 

i have a couple of 'cap packages' that are stuffed w/wax -- or
whatever the brown goo is-- like the kind used to seal slugs in tuned
coils.

one is a bakelite case, the other a metal box, both w/the caps and
leads buried in the goo, which seals the bottom of each case. the
metal box one is a cornell-dubilier.

is there an easy to remove the goo -- maybe by melting it out? want
to see the innards clearly before pulling the caps so i can rebuild
correctly. cap values are known -- mostly a matter of seeing how the
leads connect and how insulated from the case for the metal one.

ab

lost wax process
 

"ablebravo" wrote in message
oups.com...
i have a couple of 'cap packages' that are stuffed w/wax -- or
whatever the brown goo is-- like the kind used to seal slugs in tuned
coils.

one is a bakelite case, the other a metal box, both w/the caps and
leads buried in the goo, which seals the bottom of each case. the
metal box one is a cornell-dubilier.

is there an easy to remove the goo -- maybe by melting it out? want
to see the innards clearly before pulling the caps so i can rebuild
correctly. cap values are known -- mostly a matter of seeing how the
leads connect and how insulated from the case for the metal one.

ab

I use a heat gun and patience, but others who restore vintage
radios set the case or box suspended above a pan in the oven at
about 200 or so degrees F, and wait an hour or two. If Mrs. is out
of town when you do it, that's a good thing ;)
Nelson (a lurker)

lost wax process
 

In article .com,
"ablebravo" wrote:

i have a couple of 'cap packages' that are stuffed w/wax -- or
whatever the brown goo is-- like the kind used to seal slugs in tuned
coils.

AB-

One common material used was beeswax, which is a beige or brownish wax.
Paraffin should work equally well, but is clear or frosty-white in color.

Fred
K4DII

lost wax process
 

this is brown, and i am hoping maybe i can boil/hot water melt it out
on a camp stove outside. maybe w/double boiler arrangment -- couple
of coffee cans maybe.
thanks for all suggests
ab

lost wax process
 

"ablebravo" wrote in message
ups.com...
this is brown, and i am hoping maybe i can boil/hot water melt it out
on a camp stove outside. maybe w/double boiler arrangment -- couple
of coffee cans maybe.
thanks for all suggests
ab


I think your making a lot of work out of it. Simply heat the
outside of the can with a heatgun, and when the adhesion to
shell weakens you should be able to slide the inner assembly
out. There is absolutely no need to replace the old wax or
tar with new material once a new capacitor bank is assembled
and put into the can.

Pete k1zjh