You want a pully system on a mast/post, on the foredeck of your ship?
I was thinking of doing the same thing.
I too am replicating a navy ship, one my grandfather fought on in WWII.
For my design, I am using one of the masts from the pirate ship 3940.
It has a pully system on the foremast, so you only need attach it to the deck somehow.
I would suggest using either your 4424, or your 3128.
Unless you don't mind buying the container ship HM suggested.
Are you open to cutting apart one of more of these ships?