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They did co operate, but most projects didn't mature, the culmination of that co-op was the Van Speijk frigates (Leander class)

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Thank you Kim for the crest

"Never fear to try on something new. Remember that the Titanic was built by professionals, and the Ark by an amateur"

#1 problem was that the Brits never wanted dutch radars or other systems on theire ships, you got to give something to in a cooperation.

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Forced by violence
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Caption signing treaty with England by Johan de Witt

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added the machinery arrangement of the 1947A to the first post.

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Drawings are credited with J.Scholtens
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excellent work.

Those tanks looks like similar to those tanks they called day-tanks in the Norwegian Navy... What ever they mean whit that!

day tanks are a bit of fuel reserve for the engine, that is constantly filled from the main tanks. if you swap main fuel tanks, you don't have to stop the engines, because of the day tank that is in between. (these are on most if not all ships with more then 2 fuel tanks)

the tanks shown in the plan are actually all tanks that are in the machinery spaces, so that means fuel tanks, oil tanks, coolwater tanks, sea inlet tanks, day tanks, spilled oil tanks etc. too many different kinds to label in sb style, in short

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Drawings are credited with J.Scholtens
I ask of you to prove me wrong. Not say I am wrong, but prove it, because then I will have learned something new.
Shipbucket Wiki admin

A Day tank contains a days worth of whatever is in it. It's usually fuel, but water and lubricants are also an option.

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Source Materiel is always welcome.

is it always a day, thiel? because looking at the plans of the 1947 destroyers, I cannot believe that propels them a full day (on cruising speed it might be enough, but then it is the definition how that day is spend )

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Drawings are credited with J.Scholtens
I ask of you to prove me wrong. Not say I am wrong, but prove it, because then I will have learned something new.
Shipbucket Wiki admin

yes Norwegian Hauk class at full throttle empty an day tank in under 15 minutes. but then they have 7200 hp.

Depends on who is certifying the ship. As I recall the DNV requires that tankers have enough fuel ready on hand, ie centrifuged and heated, for 24 hours at Best Speed. Exactly what Best Speed is depends on the ship, but as I understand it it's the speed that'll give you the most range for the least fuel within 24 hours. But that's only the DNV definition and I'm not sure it's the same anything else except tankers. Other certification houses probably have a different one.
Really, Day Tank is a purely civillian term that has snuck its way over to the military side. Despite what they call them they're really just ready tanks. Anyway, the defining feature of both is that whatever is in them is ready for immediate use. If it needs to be heated then it's kept hot, if it needs filtering then it's been through a filter and so on.

As an interesting aside the Royal Danish Navy used to define a Ready Tank as a tank that held enough conditioned fuel to get the boilers to working pressure from a cold start. Of course that definition became rather obsolete when they started to use diesel engines and gas turbines in ernest.

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“Close” only counts with horseshoes, hand grenades, and tactical nuclear weapons.
That which does not kill me has made a grave tactical error

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Source Materiel is always welcome.

Can't wait to see these fully kitted out with radars etc.

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