Tim, Sorry I was writing my post when you posted
. the shielded 25mm could be turned for and aft, except for the on beneath the Mainmast and the ones at the center of the "defense circle" in the 1945 version. As for the 127mms, here you go:
A 3D model that was Made for the History channel. While her listed look for Ten Go is inaccurate, the ship did look like this in March of that year. I did not mark the bars in that would make them less visible. They are located next to the tertiary guns, look like piping.
And the 1/10 Yamato at the Yamato museum in Kure, arguably the most accurate Yamato in existence:
Let me know what you think, and if necessary, I will make changes. Thank you for bringing up the issue.