(Edit: Original read more as criticism as opposed to intended constructive criticism.)
Been playing again lately and picked up a Raum, my favorite ship aesthetically. I remember commenting on it right when it came out - that it's gorgeous, but it sadly feels weak in combat and I didn't really get the "punch" I was hoping for from a giant gun with engines. No matter how I build it, it really struggles to secure near-peer kills, hold a line, or take care of itself. Still a gorgeous ship with some of the coolest animations out there, and I always want to take one along, but it has a lot of issues stacking up to vanilla options (definitely not trying to compare one modded ship to another mod's stuff, that path is madness).
Some possible suggestions:
Changing the ship ability. The extra range is neat but fairly underwhelming, and it also only lasts for maybe a single shot; a few seconds. It doesn't really feel very good. You can use it to get an early shot off when the lines are setting up, or pick off an injured ship that's retreating sometimes, but it doesn't feel too impactful overall. Possible options - accelerated fire rate with a commensurate reduction in flux cost on a semi-long cooldown for burst. A "Panic" option for defense, such as a drone swarm or "aggressively" venting a portion of your huge weapon's flux to damage fighter swarms, etc.
More hardpoints for medium or large weapons. The Legion can run I think 10 smalls, 5 mediums, 2 larges, and 4 flight decks for 40 DP. The Raum has its main gun, 3 mediums, and...10 smalls? 12? Can't remember. And 1 flight deck which mostly needs to be a defensive option. The main gun is cool, but doesn't really make up for the lost offensive power from having limited weaponry.
More powerful main gun? Kind of dangerous though. I have zero experience with video game balance, but I've run tapletop RPGs, and I know from experience coming up with something impressively powerful that is both interesting and doesn't just delete things instantly is extremely hard.
I'm really just commenting about it because it's easily my favorite ship and I love it. I spent hours trying to build it to no avail because I really wanted it to be awesome. The amount of work on the look and the animations is mind-boggling to me, but VIC in general has always been an extremely high-quality work. I dunno. Hopefully some of this sparks some cool ideas, or at least lets you know someone out there really loved your ship.