The following is another ship design issue that I believe has been brought up before, but still exists in 1.9 and is EXTREMELY annoying.
I am trying to design a new ship and have gotten to the point shown in the first screen snapshot below. As you can see, I have already added components with a total mass of 30 out of the 35 available. You can also see that the Railgun component that I want to add has a mass of 5 so I should be able to add it and reach the total allowable mass of 35, right? WRONG!!! When I try to add it I get the message shown in the second screen snapshot below telling me that the Railgun is too heavy.
I believe this is another instance of doing calculations in the code in decimals, but displaying only integers. I know you have fixed this type of problem in other places in the game so I know you are aware of the general issue. By this post I am casting my vote for fixing this problem here in the ship designer because new players are not going to be very understanding of the decimal vs. integer problem, they are going to just think that the program sucks because, to them. a component with a mass of 5 should fit on a ship design that says it still has 5 mass still available.

