"The main after turret (of YAMATO) swung ponderously to port. The three big gun barrels lifted to maximum elevation. This did not give them much antiaircraft capability, but a new shell, the San-Shiki, nicknamed "the Beehive," supplemented the regular armor-piercing ammunition. The projectile was packed with layers of incendiary pellets, Watanabe was told, which exploded at set ranges like the blast of a shotgun. The only drawback, apparently, was that the copper drive bands of the "Beehives" were poorly machined. Constant rapid fire seriously damaged the rifling of the 18.1 inch gun barrels. The gunners were loath to use them.
"Yamato must have been firing those san-shiki "Beehives," because the blast threw some planes about like shuttlecocks."
The chief gunner told Tsukamato to get word to the men inside the big turrets that they'd better set their San-Shiki shells to burst on one-second fuses. That would throw up a barrage less than 1,000 yards away. The gunners complied. A fresh curtain of exploding water leaped up ahead of the enemy. It had no effect on the approaching Avengers. There was a remorseless professionalism about the way the Yankee pilots pressed their attacks.
Tiornu wrote:The idea that the Type 3's caused barrel damage seems to be another example of one man's scuttlebutt that gets accepted as fact in the West. Maybe it got started when a bomb hit on Musashi sent a fragment up a gun barrel and ignited a Type 3 being loaded; this caused serious damage.
Kongo fired a hundred Type 3's at Guadalcanal and suffered no apparent problems.
nota wrote:I fail to understand how a copper band can damage a steel barrel
copper is so much softer then steel
now rapid fire and the corrosive propellant maybe but not copper
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