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Length of the D7

214m seems way too small. Forgetting window size and deck spacing for a moment, if we put the D7 next to the TOS Enterprise it looks laughably small and not menacing in the slightest. The Enterprise is twice as tall and has multitudes more interior space in this case. I would have the D7 be considerably longer than the Enterprise, perhaps around 350m. Then at least it can feel somewhat threatening to the "hero ship". What a fantastic design though! It might be small but it certainly looks like it can blast you into the void!
 
The original ship was deliberately designed to be shorter - not as massive - as the Enterprise. It's presented as a pretty pure warship, not an explorer.

The K't'inga is basically an updated version of that same concept shown as an improved model. There are issues with both ships overall size, but there are also issues with the TOS Enterprise's official size anyway so..?
 
You'd have to stack Klingons like cord-wood to fit 400+ people in the cobra head alone.

Nope - even Klingons have limits. If only the forward/central part of the after hull has crew space, that's doable. They would be in barracks, not comfy quarters, but that fits fine with on-screen comments:

"We Klingons aren't as, how shall I say this? Luxury minded as you Earthers..."
 
I think FASA had some blueprints. Here:
https://www.cygnus-x1.net/links/lcars/klingon-d7-class-battle-cruiser-fasa-15mm-deck-plans.php

Now--if you posit the boom as a walkway---that limits the lower size....unless you make it a sled where crew lie prone---like on Babylon 5's pilot, a B-29, or the AvP sled.

If only the cobra head is inhabited---that frees things up a bit. The graph units can really burn hot---and the neck is just cabling.
Though Romulan, their Klingon D7 ships had sprawling 8' wide corridors (in straight lines rather than curved) and many doors suggesting many rooms. The Commander's quarters looked about the same size as Kirk's cabin. I say the D7 ship is just as spacious inside as the Enterprise. Since the cloaking device facility was near the Commander's quarters (which was tied into the ship's deflection shields located in the engineering section when put on the Enterprise), I'd put its engineering section and crew quarters for about 400 in the main body of the ship. The 'cobra head' seems to consist of the ship's bridge, computer core, science labs, main deflector, sensors and primary weapon sections (the business end of the warship). I see the 'cobra head' functioning like the central core of the Enterprise saucer while the the D7 secondary hull comprising the equivalent of the Enterprise's crew quarters, impulse engines and the engineering hull. As for whether the Graphs are more dangerous to the crew over the Enterprise's warp nacelles, I point out that both ship designs have their dangerous engines out on booms as far out as possible, so, I don't buy the D7 has a radiation problem any different than the Enterprise. YMMV :).
 
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I say the D7 ship is just as spacious inside as the Enterprise. Since the cloaking device facility was near the Commander's quarters (which was tied into the ship's deflection shields located in the engineering section when put on the Enterprise), I'd put its engineering section and crew quarters for about 400 in the main body of the ship. The 'cobra head' seems to consist of the ship's bridge, computer core, science labs, main deflector, sensors and primary weapon sections (the business end of the warship). I see the 'cobra head' functioning like the central core of the Enterprise saucer while the the D7 secondary hull comprising the equivalent of the Enterprise's crew quarters, impulse engines and the engineering hull.

Hi Henoch-
I would tend to agree with your reasoning. The sets, layouts and the way they were filmed in the episode do not indicate a cramped or overly small working / living space for the crew. In comparison to a U.S. or Russian submarine of any stripe, they are positively palatial. I am of the opinion that the congruent scaling for the model is dependent on three factors (at minimum) which are as follows. First, the boom shunt has to be accessible by turbolift- this means that at minimum something approximating the size of the E's turbolifts to move the crew around from the main hull to the command hull and vice versa. I cannot also see that the boom shunt to be so narrow a choke point near the command hull that there would be no allowance for piping / wiring shafts to and from the command hull (wireless communications being possible, but frankly seeming to be highly unlikely to be used in the design). Two, a shuttlebay that is provided for at the rear of the model needs to be large enough to realistically allow shuttlecraft to be stowed and launched from the ship. And finally, the interior set sizes need to be accounted for when considering the height of the decks. IMHO shoehorning the interior into spaces that do not reflect what is shown is frankly quite stupid, diagram / dogma be damned. LOL
 
I'd probably be happier if the K't'Inga was nearer 800 feet, myself, as that would probably alleviate some internal issues. Plus, the continuing uncertainty about the TMP Enterprise scale (1000 to 1170 feet, etc)
 
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