I examined the current fuel values of some ships and, honestly, the more you compare the actual geometry of the ship to the indicated capacities, the less it makes sense. "This is not a controversial message or a criticism, but an exchange of ideas and feedback" I sincerely believe that the current system has a scaling and unit problem that deserves to be reviewed by CIG. The main problem Currently, ships use SCU for quantities of fuel, Hydrogen and Quantanium. However, SCU is originally a cargo volume unit. And that’s where it gets weird. Example: The refueling tanks In the images above, the external fuel tanks visually represent nearly two-thirds of the rear mass of the ship. These tanks are absolutely gigantic, yet according to the current values each external tank contains about 20 SCU, total external fuel capacity 40 SCU. Meanwhile, the ship contains 110 SCU of hydrogen and 3.3 SCU of quantanium. The ship therefore stores nearly three times more fuel internally than in its gigantic dedicated refueling modules, which makes no sense, neither visually nor physically. Why this hurts immersion The dedicated refueling tanks are supposed to be: ♦ the central element of the gameplay, ♦ the main mass of the ship, ♦ the very reason for the ship’s existence. But currently, the visible refueling modules contain less fuel than the “invisible” internal storage hidden in the hull. When you compare the physical size of the tanks to the indicated capacities, the scale seems totally inconsistent. The real problem The Standard Cargo Unit (SCU) is not suitable for fuel. The SCU is perfectly suited for goods, crates, industrial freight, etc., but fuel is different. Logically, fuel should be measured in liters, cubic meters, tons, or mass/volume values. Indeed, fuel depends on its density, pressure, compression, energy storage. Using a cargo unit for fuel creates a confusing and unrealistic scale. A simpler and more logical solution Instead of using SCU for fuel, CIG could express fuel capacities in liters. Example: Internal ship tanks Hydrogen: 80,000 L Quantanium: 5,000 L External refueling tanks 2 tanks of 40,000 L Total: 80,000 L of transferable fuel As a result, the size of the tanks is consistent, the role of the ship seems credible, and fuel logistics are easier to understand. An alternative solution If CIG absolutely wants to keep SCU for fuel, then the external tanks must have a much larger capacity because visually: ♦ 20 SCU per tank is far too little for modules of this size. ♦ The geometry and current numerical values do not match. I think this problem comes from the fact that gameplay balancing is done independently of the physical design of the ship. But now that ships are more detailed and systems more simulation‑oriented, these inconsistencies are much more visible. Currently, fuel quantities, unit scale, and physical tank size seem totally disconnected from each other. Honestly, switching to liters for fuel would probably make the system clearer, more immersive, and easier to balance in the long term.