a question about formation (naval group)

[Wasicun]

I'm trying to create a closed rank formation for a naval group (10 ships). I check the Group lead can slow -group reform down box. With F-4 (Formation editor) i assign a position to each ship (set station - relative bearing or fixed bearing) but i think that i do some kind of mistake with the speed: i don't understand well how the speed works:
i give a movement order to the naval group but i am not able to manually set a speed (let's say 8 knots) but i can only set creep normal etc...
and somehow the ships in the naval group do not keep the same speed (faster ships go faster, while slower go slowers.) What am i missing?

Sorry for my poor English and thank you for your answer.

[Kitchens Sink]

Can you post a save game of your ship group?

P.S. Your English is fine

[mikmykWS]

You have ships with different speed settings so the game tries the find the median within the constraints of mission settings.
Most of the time this goes well but sometimes not if the deviations between speeds is great.

If you could post he file we'll definitely take a look.

Thanks

Mike