[PvK]

Yep, great idea, I think. I did this a couple of weeks ago for Proportions 2.5, which I've been too busy to release. I have a whole range of new "scale mounts" for every ship size that I have vehicle sizes for from 50kT to 5000kT, and then there are several types of component that can use this. I have a new Category of armor (armored shell) in addition to the existing Proportions armor types, which uses this, as well as applying it to cloaking devices, stealth and scattering armor, scanner jammers, and emergency propulsion.

From the readme draft:

* Added Scale mounts. These make the size, cost and supply use of certain
components directly proportional to the size of the thing they are
built on. Applies to components which naturally require effort and size
based on design size: Stealth Armor, Scattering Armor, Emissive Armor,
Scanner Jammer, Emergency Propulsion, Cloaking Devices.
Note: Upgraded games from earlier Proportions Versions will find existing
components of these types unchanged, but unable to be repaired until
retrofit with scale-mounted Versions.

I really love the effect on some of these, because it gives appropriate new abilities to smaller ships. A small cloaked ship is now not hugely expensive, but a cloaked baseship is, etc.

PvK