Starfleet Design Bureau

Archers could, but Mirandas specifically can not fit the prefab items that the Feddie could. But turning them into cargo haulers so the Feddie can pick up their cargo a little further out from the core is wasteful. Especially on the Archers, who should be on their own transport schedule for the bulk cargo they do that should be preplanned months out at the very least for the largest of Star Fleet projects.

Even the Archer might not be able to handle worker bee specific items which leaves the Feddie still transitioning from the core and back regularly.

If the fear of piracy is that great, going defensive and trying to use the Federation as a treasure galleon is the wrong play. You proactively use the Federation to stem them coming in and to burn them out when the scouts, like the Excailbers, locate their hubs out in unclaimed or otherwise non Federation territory.
That depends on the size of the cargo
Prefab components for some large structure? Probably not
40,000 tons of supplies for a bleeding edge outpost on the frontiers in your patrol area? Yes


Not to mention that if, say, you were moving the quarter's output of a dilithium mine, or other strategic material extraction site, back to the core worlds, you'd rather have it in a Feddie than an Archer, or even a Miranda
Much safer

As for schedules, shit happens
It wouldnt be ST if some unforseeen emergency or crisis did not semi-regularly disrupt scheduled rotations


And I will remind you that this is Starfleet
Organized offensive sweeps into the territory of other nation states just isnt their thing
It takes a lot to change their strategic defense posture; raiders havent done it yet
 
How much of that is down to the weird shape of federation ships meaning that large portions of the box the ship occupies don't actully contain any part of the ship, but how much and where varies a lot.
A while back I did volume to mass calculations between the primary hull sections of an Excalibur and the Federation of the same hull design. The Excalibur was a LOT heavier than the Federation hull for no really discernible reason. Basically the Excalibur is about 20% heavier per unit volume than the Federation.

This isn't just drawing a box around the ship. I compared inverted slope hull to inverted slope hull, accounting for extra decks and the Excalibur being a half saucer generous to the Excalibur. It was STILL 20% too heavy.

The QM does mass basically by feel, and this is fine. We should just be aware that mass values are basically only somewhat correlated to actual ship volume.
 
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That depends on the size of the cargo
Prefab components for some large structure? Probably not
40,000 tons of supplies for a bleeding edge outpost on the frontiers in your patrol area? Yes


Not to mention that if, say, you were moving the quarter's output of a dilithium mine, or other strategic material extraction site, back to the core worlds, you'd rather have it in a Feddie than an Archer, or even a Miranda
Much safer

Like this is exactly the thing I worried about, this is entirely internal service duties. Meanwhile the border is being paroled by the Mirandas instead: who are slower and more likely to let the pirates in, weaker then the heaviest of cruisers that everyone was afraid of coming over the border, and will be slower to respond to problems in the colonies increasing the severity of the incident or causing more resources having to be spent to fix their problems. It takes more shipping out of internal service to man the borders lowering the rate of shipping overall vs the Federation patrolling and hunting things down instead.

If you have a piracy problem that bad, you don't stick the oil inside the USS Gerald R. Ford. You build convoys of ships to escort your trade and you use the Ford taskforce to eliminate the the pirates.
 
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Oh sure
Im just saying that comparing compartment sizes on the side view is wrong, because the ships arent portrayed to scale

What? Yes they are. You can put an NX right next to the Federation and the scales will line up.

The QM does mass basically by feel, and this is fine. We should just be aware that mass values are basically only somewhat correlated to actual ship volume.

There's a certain degree of tweaking for aesthetic reasons that goes on, but it does start from a precise calculation. Specifically saucers, cylinders, rectangles, and spheres. The Excalibur was always going to be a bit wonky because the half-saucer isn't cut off at the precise midpoint and was a lot more reliant on aesthetic gut feeling for its final appearance. But there will inevitably be flex here and there - nacelle struts, necks, hull shaved off there, hull added here.
 
I'm finding all the arguments that, in case of pirates, you only want heavily armed transports until you go out and blow up the pirates to be very convincing.

[X] Expanded Cargo Bay

I've come back around to Expanded Cargo Bay because the idea of adding diplomatic facilities to this ship meaning that the Project Federation ship can head over to handle a negotiation and then just immediately have infrastructure-scale cargo it can hand over, all in a ship that can wipe the floor with a small fleet of minor-power warships is itself a hell of a synergy.
I'm still not changing my vote. But that does, at least, make me feel better about the possibility of cargo winning. Congrats, you've found the first synergy I know of with cargo!

This was a really good vote, lots of merits to each and yet at the same time I'm quite convinced I'm right.
 
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This is really a choice between an emergency response ship and a colony support ship. We need a ship that has a focused mission, not one that has a bunch of useful but eclectic capabilities. The shuttlebay leans one way, the cargo bay leans another. Picking the cargo bay and then picking, say, medical capabilities would be a mistake, because those don't line up together well. We need enough depth of capability to justify getting this ship built in significant numbers. By picking the one option over the other here we narrow down what makes sense to follow it up with. Yes, cargo shipping is neat, but is a colony support ship what we really want? Because we're effectively locking in what peacetime role the ship will have right now, and we can't make up for it later without diluting the ship's abilities.
 
This was a really good vote, lots of merits to each and yet at the same time I'm quite convinced I'm right.
A big indicator that this has been a great discussion and both options are good: nobody has really asked for a "neither" option.

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This is really a choice between an emergency response ship and a colony support ship. We need a ship that has a focused mission, not one that has a bunch of useful but eclectic capabilities. The shuttlebay leans one way, the cargo bay leans another. Picking the cargo bay and then picking, say, medical capabilities would be a mistake, because those don't line up together well. We need enough depth of capability to justify getting this ship built in significant numbers. By picking the one option over the other here we narrow down what makes sense to follow it up with. Yes, cargo shipping is neat, but is a colony support ship what we really want? Because we're effectively locking in what peacetime role the ship will have right now, and we can't make up for it later without diluting the ship's abilities.

Honestly I think Colony Support is the most important peacetime mission we can give the Federation as far as a specialty (over shuttle bays) because it's coming out in peacetime, and our frontiers are still struggling to recover from the Klingons and piracy.

It even opens logistics options to increase industry in the region, by helping those frontier colonies ship things to each other. For all some people have said a cargo hold will mean it has to spend most it's time traveling to and from the core, it would be more efficient for the Feddies to take an initial cargo to boost a colonies industries on the border(likely escorting a flotilla of Archers), and from there patrolling and acting as a courier between colonies at risk of raiding.
 
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This is really a choice between an emergency response ship and a colony support ship. We need a ship that has a focused mission, not one that has a bunch of useful but eclectic capabilities. The shuttlebay leans one way, the cargo bay leans another. Picking the cargo bay and then picking, say, medical capabilities would be a mistake, because those don't line up together well. We need enough depth of capability to justify getting this ship built in significant numbers. By picking the one option over the other here we narrow down what makes sense to follow it up with. Yes, cargo shipping is neat, but is a colony support ship what we really want? Because we're effectively locking in what peacetime role the ship will have right now, and we can't make up for it later without diluting the ship's abilities.
Completely agree, this is setting the path for our build. And I'm definitely willing to play Yes, And with whatever we pick but...
 
[X] Expanded Shuttlebay

{Edit} The more I think about it, the less I can justify an expanded cargo bay to myself.

If we want a hauler, bulk or otherwise, we make a dedicated hauler. This is our "fuck off" border patrol/fleet anchor vessel. That has a side mission of in depth border surveying. Expanded Shuttlebay helps in the border patrol, either could help as a fleet anchor; but expanded cargo bay only helps with UFP expansion outside of fleet anchoring. Something that we're stringently hinted at, needs to slow down somewhat, primarily by knowing where to build instead of willy nilly colony plopping.
 
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[X] Expanded Cargo Bay

I like the idea of the ship carrying enough prefabricated parts to set up a base or serve as it's own logistical hub. It means in war we don't have to worry so much about operating outside our own supply lines.
 
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