Eli5: How are submarine deck guns able to still be fired after being submerged in salt water?
In: 5399
Drachinifel (my YT hero) says it’s by putting a ton of grease on them so they water doesn’t get in the mechanisms. And of course plug everything you can put a plug on.
I add this: you pew pew and when you come back you can remove the gun for maintenance.
And you can install blocks of zinc close to the gun parts, zinc will corrode faster than iron and therefore iron will corrode less. Its basically a decoy for salt. It’s called sacrificial material and it’s done also on ship rudders for example.
But you are spot on, saltwater is not friendly and guns are easy to jam. Consider that war is not that long. Ship may be sunk well before to need heavy maintenance, a good portion of ww2 ships and subs did lived just months.
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