Bear Grease for lubricant?

If bear grease is anything like bacon grease it likely has some salt in it. Salt and steel don't make good partners no matter how well the bruin grease lubricates.
 
If bear grease is anything like bacon grease it likely has some salt in it. Salt and steel don't make good partners no matter how well the bruin grease lubricates.
The salt is rendered out. The fat is melted first to remove large impurities, like meat and sinew. Then it's allowed to cool and then boiled a second time to remove the salt. One skims the surface of the boil for the pure rendered oil. (When I was young muzzle loaders would also use store bought lard.)
Ned Roberts thought highly of bear oil. The main reason was bear oil didn't congeal in cold weather. It's one of nature's mysteries that helps bear hibernate during the winter. In his book "The Muzzle-Loading Cap Lock Rifle," Roberts states "...when properly prepared, bear oil will be water-white and have very little odor."
I rendered deer fat 15 years ago and have used it many times as a patch lube. It's still as good now as the day I made it. I store it in the cool basement, out of the sun.
 
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The salt is rendered out. The fat is melted first to remove large impurities, like meat and sinew. Then it's allowed to cool and then boiled a second time to remove the salt. One skims the surface of the boil for the pure rendered oil. (When I was young muzzle loaders would also use store bought lard.)
Ned Roberts thought highly of bear oil. The main reason was bear oil didn't congeal in cold weather. It's one of nature's mysteries that helps bear hibernate during the winter. In his book "The Muzzle-Loading Cap Lock Rifle," Roberts states "...when properly prepared, bear oil will be water-white and have very little odor."
I rendered deer fat 15 years ago and have used it many times as a patch lube. It's still as good now as the day I made it. I store it in the cool basement, out of the sun.
Your first paragraph sounds like you are making nitro.
 
Never made nitro and am not sure the movie clips are accurate, but yes it something like that.
In one of the old westerns, i think it was Gunsmoke, they had a guy that needed money real bad. Hooked up with some bank robbers that used nitro. They hid him out in the middle of noware. He stood over a stove with a big cauldron and cooked it till the scum (nitro) came to the top. At the end of the show he went out with a bang.
 
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