I agree completely -- This was a good question that led to a lot of really interesting replies. I don't remember ever seeing a drawing of the interior of a PT tender, but I suppose the overflow ports at the bottom are connected to vertical pipes on the inside of the tender that run upward into the space just below the tender deck (perhaps a couple of feet below the deck?).
I was thinking that for a model PT tender, you could fill it with water (or some other beverage), put in a charge of compressed air, then let it spray out at appropriate (or inappropriate) times.
That's a remarkable story about the man who was washed off one tender, then scooped up and killed by another.
