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Made in us
Monster-Slaying Daemonhunter




Are Astartes capable of fighting in space? Not like floating around, but maglocked to the hull of their ship for instance? Can they even discharge their weapons in space? Is there any precedence for it? Obviously they could go hand to hand, but I doubt a Chainsword would work, as it's a fuel based engine design? So knives out?
   
Made in gb
Wise Ethereal with Bodyguard







Modern firearms have the oxidiser mixed into the bullet propellant. If the bullet charge was just fuel it wouldn’t be able to get sufficient oxygen into the gun to burn all the stuff quickly enough.

Also chain swords are not necessarily fuelled by liquid fuel. Most commonly it’s termed some kind of power cell.

This message was edited 1 time. Last update was at 2021/09/26 23:05:15


Please excuse any spelling errors. I use a tablet frequently and software keyboards are a pain!

Terranwing - w3;d1;l1
51st Dunedinw2;d0;l0
Cadre Coronal Afterglow w1;d0;l0 
   
Made in ca
Longtime Dakkanaut




Yes, their armor, like all power armor and Scion's carapace armor have mag boots for fighting in 0 G. I suspect bolter function fine in vacuum just like lasguns.
   
Made in ca
Legendary Master of the Chapter





FezzikDaBullgryn wrote:
Are Astartes capable of fighting in space? Not like floating around, but maglocked to the hull of their ship for instance? Can they even discharge their weapons in space? Is there any precedence for it? Obviously they could go hand to hand, but I doubt a Chainsword would work, as it's a fuel based engine design? So knives out?


yes space marines can work 100% well in space. even the basic rhino and land raider IIRC can operate in vaccuum.

Opinions are not facts please don't confuse the two 
   
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Bath

Short answer, yes.

Longer answer, all their equipment is vacuum rated, capable of functioning in space, on the surface of an airless world or in thicker than normal atmosphere. Modern firearms also work in space as the contain oxygen, so its not even that hard to do.

The chain swords and such are powered by an unknown power cell system but we can assume that they are also vacuum rated as it wouldn't make sense for them not to be

This message was edited 1 time. Last update was at 2021/09/27 05:59:28


Then it's Tommy this, an' Tommy that, an` Tommy, 'ow's yer soul? "
But it's " Thin red line of 'eroes " when the drums begin to roll
The drums begin to roll, my boys, the drums begin to roll,
O it's " Thin red line of 'eroes, " when the drums begin to roll.
"Tommy", Rudyard Kipling
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Les Etats Unis

BrianDavion wrote:
FezzikDaBullgryn wrote:
Are Astartes capable of fighting in space? Not like floating around, but maglocked to the hull of their ship for instance? Can they even discharge their weapons in space? Is there any precedence for it? Obviously they could go hand to hand, but I doubt a Chainsword would work, as it's a fuel based engine design? So knives out?


yes space marines can work 100% well in space. even the basic rhino and land raider IIRC can operate in vaccuum.


Who the hell is running around with land raiders in space? Do they park themselves on asteroids, or drive on the outside of the ships while the crew desperately hope they don't accidentally blow up a piece of the hull?

Dudeface wrote:
 Eldarain wrote:
Is there another game where players consistently blame each other for the failings of the creator?

If you want to get existential, life for some.
 
   
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 Flipsiders wrote:
BrianDavion wrote:
FezzikDaBullgryn wrote:
Are Astartes capable of fighting in space? Not like floating around, but maglocked to the hull of their ship for instance? Can they even discharge their weapons in space? Is there any precedence for it? Obviously they could go hand to hand, but I doubt a Chainsword would work, as it's a fuel based engine design? So knives out?


yes space marines can work 100% well in space. even the basic rhino and land raider IIRC can operate in vaccuum.


Who the hell is running around with land raiders in space? Do they park themselves on asteroids, or drive on the outside of the ships while the crew desperately hope they don't accidentally blow up a piece of the hull?


Assault on a airless world? Attacking a moon base? Defence of a ship being boarded, and your clearing the hull, or part of the ship has lost pressure?


Then it's Tommy this, an' Tommy that, an` Tommy, 'ow's yer soul? "
But it's " Thin red line of 'eroes " when the drums begin to roll
The drums begin to roll, my boys, the drums begin to roll,
O it's " Thin red line of 'eroes, " when the drums begin to roll.
"Tommy", Rudyard Kipling
Exporitor force kappa-Tercia 500pts Coven of XVth 1000pts
Western Host 1000 pts
 
   
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Sweden

Ship hulls in 40k are massive. There is nothing to fret about over small Land Raiders and Rhinos driving around mag-clamped to the outside of starships.

   
Made in ca
Legendary Master of the Chapter





 Flipsiders wrote:
BrianDavion wrote:
FezzikDaBullgryn wrote:
Are Astartes capable of fighting in space? Not like floating around, but maglocked to the hull of their ship for instance? Can they even discharge their weapons in space? Is there any precedence for it? Obviously they could go hand to hand, but I doubt a Chainsword would work, as it's a fuel based engine design? So knives out?


yes space marines can work 100% well in space. even the basic rhino and land raider IIRC can operate in vaccuum.


Who the hell is running around with land raiders in space? Do they park themselves on asteroids, or drive on the outside of the ships while the crew desperately hope they don't accidentally blow up a piece of the hull?


not every world has an atmosphere, I mean the moon is a good example. a hunk of rock in space may not be worth terraforming but it damn well may be worth mining etc.

Opinions are not facts please don't confuse the two 
   
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Right, on the moon, as an example, how would they stay locked to the ground? There is no metal to "mag-lock" to. There has to be examples of Marines fighting in lowg environments.

Also, based purely off physiology, how long can a marine in their suit stay in vaccum?
   
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Willing Inquisitorial Excruciator





FezzikDaBullgryn wrote:
Also, based purely off physiology, how long can a marine in their suit stay in vaccum?

Actively? A few days. Pretty sure the power armour can recycle air and water. If inactive a space marine can enter a state of hibernation. That’ll let them stay in space theoretically forever.

Fun detail this works under water as well. Some clever commanders have pulled out flanking maneuvers by having their astartes move across the ocean floor. Either in land raiders or on foot. I think the land raider had the amphibious rule back in 2nd and 3d edition to reflect this. But I might remember wrong. The chimera had the rule for a long time. The rule amphibious let you treat water terrain as clear terrain.

Edit: moons still have gravity. I guess if they had to engage in an asteroid it’d be trouble? Sounds like incredibly specific circumstances though.

This message was edited 3 times. Last update was at 2021/09/27 11:34:03


His pattern of returning alive after being declared dead occurred often enough during Cain's career that the Munitorum made a special ruling that Ciaphas Cain is to never be considered dead, despite evidence to the contrary. 
   
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 Nerak wrote:
FezzikDaBullgryn wrote:
Also, based purely off physiology, how long can a marine in their suit stay in vaccum?

Actively? A few days. Pretty sure the power armour can recycle air and water. If inactive a space marine can enter a state of hibernation. That’ll let them stay in space theoretically forever.

Fun detail this works under water as well. Some clever commanders have pulled out flanking maneuvers by having their astartes move across the ocean floor. Either in land raiders or on foot. I think the land raider had the amphibious rule back in 2nd and 3d edition to reflect this. But I might remember wrong. The chimera had the rule for a long time. The rule amphibious let you treat water terrain as clear terrain.

Edit: moons still have gravity. I guess if they had to engage in an asteroid it’d be trouble? Sounds like incredibly specific circumstances though.


The Land Raider didn’t have amphibious as it’s submersible and can drive along the bed but can’t float across the surface like a Chimera.

When they reintroduced the more complex vehicle and transport rules in late 3rd (when Chimeras got amphibious) they specifically noted this and said the LR needed to take dangerous terrain checks as the bed of the water features are still difficult ground.
   
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Since you asked for precedence, in the Firewarrior game there were fights on the hull of an Imperial starship between Tau and Imperial Guard. I can't remember if SM were involved, too.
   
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Astartes have been fighting void actions since the days of the Great Crusade, including lunatic maneuvers while trundling along outside a station, vessel or planetoid.
   
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Wise Ethereal with Bodyguard







The compendium lists Mark 2 as "totally enclosed and life sustaining" with no further details about scope of this.

Rogue Trader variously describes it as fully enclosed and with life support. The diagrams also show things like drug and food injectors and recycling systems.

Codex Angels of Death states "The back pack also contains all the extra equipment needed to maintain life-support, air recycling, fluid recovery, and the various automated medical functions."

It also expands on the armour desription to state "totally enclosed and lifesustaining, and so was suitable for fighting on alien worlds as well as in deep space."

From codex imperialis the "Sus-an membrane... brian implant... voluntary state of suspended animation in which he can survive for centuries if necessary."

"Mucranoid. The skin sealer... sweat a protective waxy substance which seals and protects his skin... before they enter suspended animation. The process even protects them from vacuum and extreme temperatures to some extent."


Please excuse any spelling errors. I use a tablet frequently and software keyboards are a pain!

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51st Dunedinw2;d0;l0
Cadre Coronal Afterglow w1;d0;l0 
   
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Wait, are water features viable terrain in 9th? Can I make the middle of the map a giant lake, and be like, you are not able to pass into this, or over this unless your movement exceeds the length of the terrain?

It never occured to me there would be "water" rules in 40k.
   
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That is one possible interpretation of the Unstable terrain trait, yes.
   
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Space Marines fighting in space? Sounds like a job for Space Hulk, and various stories set within them...

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 Kanluwen wrote:
This is, emphatically, why I will continue suggesting nuking Guard and starting over again. It's a legacy army that needs to be rebooted with a new focal point.

Confirmation of why no-one should listen to Kanluwen when it comes to the IG - he doesn't want the IG, he want's Kan's New Model Army... 
   
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It’s easier to ask what environment space marines can’t function in
   
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Normal human society seems to be about it. A part of humanity but apart from humanity.
   
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FezzikDaBullgryn wrote:

Wait, are water features viable terrain in 9th? Can I make the middle of the map a giant lake, and be like, you are not able to pass into this, or over this unless your movement exceeds the length of the terrain?

It never occured to me there would be "water" rules in 40k.


IG chimeras used to have the 'amphibious' rule.

So yes.

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Apologies if links like this aren't allowed, but on the subject of marines using water to their advantage...

https://wh40kfanon.fandom.com/wiki/Makemake
   
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FezzikDaBullgryn wrote:
Right, on the moon, as an example, how would they stay locked to the ground? There is no metal to "mag-lock" to. There has to be examples of Marines fighting in lowg environments.
They stay on "moon ground" the same way Armstrong and Aldrin did. They stand on it.

There are a couple examples off the top of my head of Marines in "void ops". Space Marine by Ian Watson has some void training in it, and Know No Fear has Marines fighting outside their ship (it's even on the cover).

There's gotta be more but I haven't read much BL. But they are SPACE Marines. Iirc there were also rules for fighting in a vacuum in the Rogue Trader book too, though I'm vague on that.

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There's a huge difference between customizing power armor for space and making entire tanks usable in a vacuum. Driving a tank on top of a ship isn't just stupid because it's a tank. It's stupid because everything a tank could do, either a mounted gun or a spacecraft could do better.

Now, since we're talking 40k, I'll always be in favor of stupid, hilarious lore being added to the setting. But if you're fine with driving tanks on spaceships yet still have an issue with the Arkhan Land joke, you need to get your priorities in order.

Dudeface wrote:
 Eldarain wrote:
Is there another game where players consistently blame each other for the failings of the creator?

If you want to get existential, life for some.
 
   
Made in ca
Legendary Master of the Chapter





I don't think anyone has said they regularly use land raiders etc in zero gee.just that they can operate in vaccum. VERY differant things.

A vehicle could work just fine in vaccum. we pulled it off in the 60s for god's sake!



Opinions are not facts please don't confuse the two 
   
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That was battery powered. If you haven't looked at Imperial Vehicles lately, they have gas canisters and smoke stacks on them. Not battery powered. I mean, models not = to fluff, but I always thought it was dumb there were smoke stacks on futuristic sci-fi vehicles.
   
Made in gb
Lit By the Flames of Prospero






I see that as a result of the Imperium being technologically advanced but not technologically enlightened.
Take the United Federation of Planets and the Klingon Empire. Both powers are significantly technologically advanced but the way they use their technology differs greatly.
The Federation uses Phasers with lots of settings/types/safeguards throughout its fleet and armoury. The Klingons use Disruptors that are lesser in variety or quality but are simplistic. They only do stun or kill and are significantly more likely to cause fatalities. Likewise whereas Starfleet personnel will use martial arts in CQC, the Klingons will use weapons like the Batleth.
With regards to the acquisition of materials, Starfleet will use unmanned probes or specialist personnel to man mining facilities. The Klingons will simply use slave labour in the Dilithium mines.
Un-replicated meals are a rarity within the Federation, indeed it is seen as a special occasion when Sisko cooks for his senior staff on DS9. The Klingons continue to hunt and forage for meals and will keep a galley with freezers filled with meat.
So while both powers can use energy weapons and mine Dilithium, the Federation is significantly more enlightened than the Klingon Empire.
The Imperium is significantly more Klingon Empire than Federation.

This message was edited 1 time. Last update was at 2021/09/28 16:31:55


 
   
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Sgt. Cortez wrote:
Since you asked for precedence, in the Firewarrior game there were fights on the hull of an Imperial starship between Tau and Imperial Guard. I can't remember if SM were involved, too.

They are inside (the/a) shield though, so there might be atmosphere on the deck areas - if there isn't, the doors leading to the gun batteries and interior of the ship are horribly designed and everyone should be very dead!
   
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Land Raider power plant is an "adaptable thermic combustion with auxiliary reactor"

https://www.belloflostsouls.net/wp-content/uploads/2019/01/cutaway-land-raider.jpg

So if you want to use it in space, you bring your own oxidiser, or rely on the auxiliary reactor more.

The predator has 4 such units (item 7 in the image linked below), but also the universe's smallest fuel tanks (item 8), that are still apparently sufficient to permit 1,000km range
https://i.imgur.com/YClup7g.jpg

A collectio of official and unofficial cut-aways of 40k kit. Nice!

https://www.reddit.com/r/40kLore/comments/f7hyz8/a_gathering_of_crosssections_cutaways/

This message was edited 1 time. Last update was at 2021/09/28 17:08:53


Please excuse any spelling errors. I use a tablet frequently and software keyboards are a pain!

Terranwing - w3;d1;l1
51st Dunedinw2;d0;l0
Cadre Coronal Afterglow w1;d0;l0 
   
Made in gb
Secretive Dark Angels Veteran






Whilst normal pattern power armour is void capable, they also have Void Hardened Armour upgrades, specifically designed for prolonged combat in a void environment. This is applied to a standard power armour suit and can vary in function and aesthetics but it basically makes it harder to breach the armour and provides augmented life support (extra oxygen etc). It places huge strain on the armour servos though, resulting in extended and more frequent maintenance. This in part is why Terminator armour is preferred in a void environment as it is built to cope with such mass.

Marines also have the Mucranoid implant which provides some amount of protection to the marine if they happen to have their armour breached in the void (bare skin in the vacuum). However this needs to be pre-activated before combat in the form of a procedure, mostly likely from the apothecary.


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