[montag813]

The premise is invalidated after the first hole. Replace the pans for a valid test.

[MeanWestTexan]

He rotated the pans so fresh ones were in the front.

Not perfect, but the already-damaged pans weren’t touched until the .50 cal.

[TexasGator]

“The premise is invalidated after the first hole. Replace the pans for a valid test.”

I guess you missed where he did replace pans.