Hello HalfdeadKiller, I have tested your sumbarine and approved it for testing at BT Public!
When I first checked this sub in the editor I was amazed, it's beautiful, it shows that a lot of work has been put in it. I am more then willing to have it on the server, it looks like a submarine and the interior resembles a submarine. There is however one problem, and that's also why I mentioned 'testing', it's a bit big
I will be monitoring it the coming days, just like the SSN Fatboy, it may cause FPS drops at certain situations. It's momentarily on the server, so players may notify me aswell if it causes to much FPS issues. If this is the case, I will make sure to report it you.
Oh and yes, it would be cool if the latest version also comes available to vanilla.
Even though it might cause to many FPS issues today, the next update should increase performance and might eliminate this.