Read the steps Carefully

Bottom hull
Use manual Controls and follow these steps
-Hard
-Curved/Circular
-Curved/Circular
-Hard

Then Paint it with Red

Upper Hull
In Order to Make the Upper Hull use Hard only

Then dont place the each side just add another section

The Bow
When it comes to the Bow its quite Challenging to make
Use Manual Shapes andm follow these steps
-Hard
-Smooth
-Smooth
-Hard
Like this

Now the Back
Use the Rise and also add no Propellers if you want to add and its just ok

Now Add Floater for it to float
Use 5 on the Xml

Then test the ship if it floats if it dosent floats add more Floater Near the Bow and the Back

Gryo
It depends on the ship Weight
Use 1,000+ only on 10,000 ibs ships

And Enjoy