mrvette
Phantom of the Opera
What gauge metal was that??? :shocking:
What gauge metal was that??? :shocking:
What gauge metal was that??? :shocking:
To be honest Gene, I have no idea. Due to the size of the box I used the lightest sheet stuff I had to keep the weight down. During normal operation the interior pressure is less than a half psi, but that backfire was probably significantly more than that. :wink: