Scaling the Excelsiour 50% up (around the same margin as a reasonable size for the Connie would be), would make her about the same length as the Enterprise D (if she remained the same), with ~650m.
These are the shots of the Ent-D and Excelsiour class ships in the same picture:
https://vignette.wikia.nocookie.net...ision/latest?cb=20161110082031&path-prefix=de
http://memory-alpha.wikia.com/wiki/...=6x10_Chain_of_Command,_Part_I_title_card.jpg
https://vignette.wikia.nocookie.net...ision/latest?cb=20140105104511&path-prefix=de
I think that can work. The D is obviously much, much bigger bigger. But not necessarily longer. She is very compressed, very very short for her size. While the Excelsiour is extreeemely long and slim. IMO in this picture, both ships can easily have around the same length, with the D still being the much more voluminous ship.
And don't get me started with the DS9 fleet shots... they are all over the map.
These are the shots of the Ent-D and Excelsiour class ships in the same picture:
https://vignette.wikia.nocookie.net...ision/latest?cb=20161110082031&path-prefix=de
http://memory-alpha.wikia.com/wiki/...=6x10_Chain_of_Command,_Part_I_title_card.jpg
https://vignette.wikia.nocookie.net...ision/latest?cb=20140105104511&path-prefix=de
I think that can work. The D is obviously much, much bigger bigger. But not necessarily longer. She is very compressed, very very short for her size. While the Excelsiour is extreeemely long and slim. IMO in this picture, both ships can easily have around the same length, with the D still being the much more voluminous ship.
And don't get me started with the DS9 fleet shots... they are all over the map.
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