Thread: Another Trip to the Range

Originally Posted by grandpamac

Words fail me. There may not, and very likely is not, any relationship between the burning speed of powder in the open air and the pressure it develops in a firearm. This is especially so when one of the powders has an unknown source. Just don't do it people.
GPM.

Yes, words fail me too.

This type of burn test is similar to how its done in the industry.

Secondly, it was never put that it was in any way conclusive.

And was followed up with a sensible/conservative test load.(s)

And the powder was in the original tin. So the source was known. Storage conditions are unknown but no rust in container no clumping no dodgy smells, looks perfect.

GPM pray, tell me, how does the industry test burn speeds of batches of powder GPM. Educate me.
What is the industry procedure?