In a space environment it's logical just to avoid flying debris. Ejecting hundreds of thousands of physical rounds at break-neck speed in the near orbit of a colony sounds devastating and dangerous for colonial surfaces if they would hit. Thank God for beam spam.

>>23809197
god imagine all the bullet casings in space just there
waiting for someone to hit them

>>23809195
Who gives a shit? It is a cartoon.

>>23809212
genuinely what the fuck are you doing on /m/?

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>>23809197
>>23809199
I mean there's definitely a debris clean up industry in gundam. Seed had them in astray so UC should have them too.

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>>23809224
Nope, the UC era were too savage and primitive to care about space debris, it all had to wait until RC before they started cleaning up their act.

>>23809229
>>23809224
shoal zones have been a thing in Gundam since the 80s databooks, delaz's fleet hid in one where there was a wrecked colony hull

judau and friends made money by salvaging space junk and working with the junkyard before getting involved with the AEUG

one of buch concern's earliest companies were cleaning up junk from battlefields, collecting Zeon and Fed MS tech was how they were able to study MS development and eventually build their own crossbone vanguard MS designs from scratch

the anaheim electronics vocational school has banagher's class go out to collect debris as one of their school activities, which explains why he knows how to operate a petite worker MS

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>>23809197
one of the common problems with caseless firearms is heat dissipation. shell casings actually take a lot of the thermal energy of the round being fired with them when they eject, to the point that the caseless weapons have a history of live rounds "cooking off" in a weapon that was extremely hot. in space where heat does not dissipate like it does in an atmosphere, this can be even more of an issue.

alternatively, if debris is your concern modern fighter jets have a captive system for shell casings, the rounds are fed into the vulcan by a belt then another belt fed the empty casing back into the ammo drum to be reloaded.

>>23809195
Yes but you need to understand that animators and fans think spent cases being ejected after firing are "cooler" to see in anime. Therefore they are not going away.

>>23809937
>BECAUSE IT LOOKS COOL!

>>23809748
Could you not design a gun that uses some sort of heat sink? Even if it's a disposable one that surely would be less of an issue than thousands of casings.

>>23814417
there's no real passive cooling system that works well enough without adding a ton of weight, and active cooling means needing batteries to power an air cooling fan or liquid pump or something which might save some weight over a passive system but then you're introducing extra points of failure like wiring, batteries, etc that will never pass any endurance and damage tests because for military rifles they need to be able to survive getting buried in dirt, sand, or muddy water or some combination of the three and still reasonably work (sure it can jam, but it it does it needs to be easy to clear)

>>23809748
you know i thought actualy wed never see cases being ejected for vulcans especially on newer suits just because I assumed theyd all be like aircraft and have a "closed loop" of casings. Weird that theyd even eject them at all honestly...

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Since this seems like the "treat /m/ designs as real" thread, I've got a couple of questions:

>most UC weapons have a lens/sensor that the cockpit "switches cam" to for aiming purposes, as UC is a visual battlefield because of muh minovsky interference; Why doesn't Zeta's Hyper Mega Launcher seem to have a lens/sensor/scope? The master archive shows a Sentinel style scope as an attachment, but not by default; how does it aim?

>on the topic of Zeta, are the Zeta/Plus/line the only ones with the main generator in the legs as opposed to torso/backpack?

>similarly in the Zeta Master Archive book (but not limited to Zeta), it shows that they put fuel tanks inside skirt armours and other armour pieces. This is news to me, and I know nothing about scifi rocket science, but isn't it counterintuitive to put explosive(?) fuel in protective pieces that are supposed to protect delicate joints?

>>23818202
For some (but not all) aircraft, it's a problem because the ejected casings can get sucked into air intakes for the engines or impact parts at the rear like the tail section. In the Cold war era, most jets still ejected casings, but most newer models nowadays store their casings.

for MS this isn't much of an issue since they're generally more heavily armored than a plane since they don't need to be optimized for absolute lightest weight+armor and shaped for aerodynamics, and most don't have jet engines to suck in air, so the spent casings can get ejected without much of a worry of damaging allies or themselves

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>>23818219
Nah it's still a problem. Mobile Suits have lots of little delicate areas that can get jammed with debris. Especially if your suit transforms. A spear was able to disable an entire mobile suit.

>>23809212
Third post best post

>>23818208
>The master archive shows a Sentinel style scope as an attachment, but not by default; how does it aim?
Like any other gun that doesn't have a sensor scope, it'll default to the sensors in the head. I think the lack of a sensor scope is so it won't interfere with the docking procedure when the Zeta carries the HML on its underside in waverider mode, but there's no reason why it couldn't have a folding sensor or a side-mounted sensor.

Either way the Zeta doesn't particularly have a problem sniping at all in the show, so consider it an overlooked design aspect. Annoyingly, the Super Gundam's long beam rifle does have a sensor.

>on the topic of Zeta, are the Zeta/Plus/line the only ones with the main generator in the legs as opposed to torso/backpack?
Maybe other transforming models probably do that, especially the ones that rearrange the torso since that space can no longer hold a generator. The Delta series also follow the Zeta's idea of unfolding the chest open and lowering the head into the torso, so I wouldn't be surprised if it also had powerplants in the legs.

>but isn't it counterintuitive to put explosive(?) fuel in protective pieces that are supposed to protect delicate joints?
As far as I know, Gundam does not specify what sort of rocket propellant they use. It's possible that the fuel is not necessarily explosive, because in theory thermonuclear rockets could use any fluid as a propellant, even water. Conventional chemical rockets ignite fuel to create high energy reaction and the expansion of that fuel produces thrust. UC tends to use thermonuclear rockets, which are different because they use the reactor to heat propellant and produce thrust. Or maybe, at some point the suspension of disbelief can only do so far, and you have to realize that this universe really also loves to mount explosive rockets on the shield, for example.

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>>23818223
kek, now you can post the whole thing next time

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>>23818233
Thank you for indulging my autism anon. I am trying to find more official materials to confirm the details regarding the Delta series too.

My other question is, aside from "muh mw" output, how far is a RX178 MK2 in terms of performance to say, Unicorn grunts like Stark Jegan? Like, the MK-2 incorporated movable frame, is pretty much the perfected amuro-style non-transformable Gundam format; Rifle runs on replaceable epacs, bazooka can swap packs to reload that the machine can carry, adapatable to parts (GDefenser/SuperGundam), etc. What I want to know is, aside from irl "to sell toys" or anaheim conspiracy, is there really a good reason in universe for so so many iterations and generations and "improvements" of suits when the MK2 seemingly perfected everything non-transformable? Has miniaturization of technology really accelerated so much in those 20 UC years that and MK2 (with magic magnetic coating?) would be considered slow and outdated by the 0090s?

Obviously I am ready to be wrong and educated.

>>23818236
>left to right page order
Absolutely heretical. I'm gonna need way more cocaine water drip fed into my system for this.

>>23809197
Not really, because they are tiny objects not much bigger than micrometeors and the colony's hull and the soil/building foundations inside is enormous in comparison. At most, it would be something like (velocity of case ejection) plus maybe ~1 km/s or so. I can't remember the size shell the guns most mobile suits fire, but I doubt it would weigh more than 40-50 kilos (although we do see one smashing up a car in Crossbone, but maybe it was built cheaply out of shitty material). Even assuming worst-case scenario of 50 kg shell being ejected at 1 km/s (which doesn't look the case for Gundam) and then colliding with the colony head-on (adding another 1 km/s), that's only equivalent to 24 kg of TNT. Which is a lot, but the colony has a very thick hull and meters of dirt to deaden the impact. It's built to withstand semi-regular impacts like that, since real micrometeors hit much faster since they aren't matching to the colony's relative velocity like the usual scenario of mobile suits fighting in a given area.
>>23809199
Those would suck a lot more, since as the debris and their relative velocity diverges, they become much more dangerous. Like when astronauts drop a wrench while fixing up the space station, it isn't so bad then for the space station (not so much for satellites), but on subsequent orbits becomes much more of a potential hazard to the space station

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>>23818243
>is there really a good reason in universe for so so many iterations and generations and "improvements" of suits when the MK2 seemingly perfected everything non-transformable?
In many ways, the Mark II was the prototype and pioneer for those systems, and what came afterwards like the Jegan benefited a lot from the Mark II's data and testing. It wouldn't be wrong to say the Jegan and GM III are successors. Not that they are MP or improved versions, but more like descendants that employ a lot of the same tech. If you're asking why they don't just build more Gundam Mark II instead of Jegans and such, it's really a matter of aesthetics and marketing. The Feds, AE, and SNRI liked to keep Gundam faces on prototypes to sell better. While sometimes they actually build MP Gundams complete with Gundam faces and the same tech, they usually don't build more than a few dozen identical units.

>Has miniaturization of technology really accelerated so much in those 20 UC years that and MK2 (with magic magnetic coating?) would be considered slow and outdated by the 0090s?
Performance-wise, the Mark II was already kinda outclassed even midway through its own show by the enemy's latest designs. I mean, the Mark II could still effectively fight grunt enemies, but it needed addons like the G-Defenser to match the firepower and speed of the more high end enemies. But really, most of Gundam is a tangled mess when it comes to power levels, official specs, and comparing across different stories, even sometimes the numbers are weird when comparing stuff in the same story. In-universe, characters will say that MS that are just a few years old are antiques and using them in battle would be death-traps, but then in the animation you'll have plenty of scenes where older MS end up massacring groups of newer MS without much trouble. And that's not even taking pilot skill and newtype magic into account, so it's all really highly variable and subject to plot and writing anyway.

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>>23818250
Damn, I never noticed. Here's a proper version before I go commit sudoku.