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Thorgrim NegaQuest thread: Hey MoneyB, can we solve this diplomatic Grungnian knot by flexing? That's not words, neither spoken it written!

MoneyB: You all know how it goes, Try It And Find Out
Okay, but is anyone else struck by the fact that now not one but two of the greatest feats talked of in this quest can be boiled down to the most basic technical advice.

Situation: Karak Vlag is stuck in the warp
Mathilde: "Have you tried turning it off and then on again?"

Situation: If Thorgrim does not find a way to communicate without violating his word as the High King, the Karaz Ankor may shatter.
Thorgrim's brain and/or the accumulated wisdom of the Rune of Eternity: "How you tried turning it on and then off again?"

And I joke, but that's also serious and no knock against it: It's legendary technical advice for a reason, and I feel like the Dwarves, of all people, would be the type to enshrine solid technical advice as highest wisdom.
 
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"The Eyes that are making the Second Silver Road War possible might be another example of one of these grandmasterpieces."

"If so, the reclamation of Karak Eight Peaks might have made it possible."

@Boney As far as I recall Mathilde never learned about the Eyes of Grimnir, but she just goes along with it here when Belegar mentions them.

Did she learn about them offscreen at some point, or is this one of those situations where she just nods and looks thoughtful while someone tells her something they assume she already knows?
 
Remind me guys, was Karak Norn made before the War of the Ancients? Is it a Karak-Waystone like the Old Holds?

Nevermind, the A Tide Turns interlude says the Throne of Power isn't getting power from Norn. I guess its current nexus was formerly elven-owned? That'd be a good reason for Athel Loren to hold a grudge against them.
Karak Norn connects to the Bugman's Brewery nexus, which is part of the normal Waystone network. Mathilde is pretty sure Bugman's Brewery was built where it was built to guard a nexus, which makes her suspect that Karak Norn itself was founded because of a pre-existing nexus:
As you circle the ruins of what was once the most renowned brewery in the known world and find a torrent of energy flowing in from the west-northwest, you begin to guess at the rest of the tale of Clan Dragonback. Why would part of their Royal Clan walk away from a place of honour in Karak Norn to build a brewery in the lowlands? For duty. Because atop Karak Norn, you now have no doubt, somewhere in that forested plateau upon which grows the finest wood of the Karaz Ankor, is a nexus. What would be the only nexus standing between the Empire and a slow slide into the realm of Chaos if the Rijker's Isle nexus was destroyed.
We're also pretty sure that Karak Norn's nexus formerly connected to Athel Loren but the connection has since been cut off.
 
On the flammability of hydrogen gas as a lifting medium...thats a well solved issue. Hydrogen burns fast, and at a low temperature, what would normally happen in an airship if the lifting gas caught fire is that the fire would rapidly consume the available gas and/or oxygen in its cell and the airship loses a bit of lift. The hydrogen would extremely rapidly escape from any breach. You need 500 celsius of heat to ignite hydrogen, which means mostly any given cell doesn't really burn hot enough to get another cell at that temperature.

Hydrogen cells are kept at atmospheric pressure. As such, hydrogen escapes only slowly. An airships with all it's bags holed can float for hours. This was in fact a problem during WW1, where attempts to kill airships with incendiary rounds initially failed because not enough gas got out of the bag to form a combustible mixture. The british had to use a mix of incendiary and explosive rounds to create enough mixing to provide an ignition source.

Your scenario seems impossible. There are many airships which burned completely to the frame as the result of a hydrogen fire. I have never heard of an airship with a contained gas cell fire in the way you describe. It's always either full fire or no fire.

The Hindenburg burned because its paint job was chemically similar to rocket fuel. The surface caught fire, all of it, and then all the gas went up at once when it burned through the surface material, because the whole thing was burning already.
This is a myth. We know it's a myth because chunks of the cladding survived unburned. We also know that witnesses saw the glow underneath the skin, and there's the famous video where you can see the fire burning through the fabric from inside.
Similarly, cladding chemically similar to rocket fuel, and chemically Identical are big differences. The Hindenburg's cladding might have contained iron and aluminum oxides, but not mixd with oxiders in what you need for a big fire.

Occasionally, the Hindenburg's varnish is incorrectly identified as, or stated being similar to, cellulose nitrate which, like most nitrates, burns very readily.[34] Instead, the cellulose acetate butyrate (CAB) used to seal the zeppelin's skin is rated by the plastics industry as combustible but nonflammable. That is, it will burn if placed within a fire but is not readily ignited

Hindenburg burned because the hydrogen burned. The fire was internal, not a cladding fire.
 
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@Boney As far as I recall Mathilde never learned about the Eyes of Grimnir, but she just goes along with it here when Belegar mentions them.

Did she learn about them offscreen at some point, or is this one of those situations where she just nods and looks thoughtful while someone tells her something they assume she already knows?
Probably the former? Belegar did wish to himself that he had brought mathilde along when he was led into the control room, makes sense that he'd have talked with her about it later.
 
Thinking about it, hydrogen can also be used as a fuel (as evidenced by the huge flames shown to Belegar). In a world where fossil fuels are not a thing, the Gaz Forges seem to present a very valuable source of fuel.
I think that fossil fuels are a thing in Warhammer, given that several of the Gotrek and Felix books mention gyrocopters running on 'the black water' instead of steampower.
 
I think that fossil fuels are a thing in Warhammer, given that several of the Gotrek and Felix books mention gyrocopters running on 'the black water' instead of steampower.

We have had this conversation before in the thread, they are a thing, but much further south than we live. The world used to be an ice ball with only a narrow temperate band that could produce fossil fuels. Dwarf gyros usually run on booze. Yes, I know it's unworkable, so are clockwork horses and those exist and are non-magical somehow.
 
@Boney As far as I recall Mathilde never learned about the Eyes of Grimnir, but she just goes along with it here when Belegar mentions them.

Did she learn about them offscreen at some point, or is this one of those situations where she just nods and looks thoughtful while someone tells her something they assume she already knows?

She would have heard about it at some point. I didn't have it on-screen because Belegar's reaction was more interesting and was to actually seeing it, instead of just hearing about it.
 
He didn't think more than a few sets of bedsheets made it out of the greedy hands of the engineers.
Mathilde was not to be denied!

Speed: 20 mph cruising, 33 max
That is extremely slow for an airship. Even a blimp like this (as opposed to a rigid frame design) should be making upwards of 50 mph. The Hindenburg could sprint at 84 mph.
Not like the Dwarfs have bad engines, given their gyrocopters manage to get airborn.
 
Also, turbine and triple expansion are different technologies. One is, well, turbine. And another is piston engine.
Choose one or the other.
 
I think that fossil fuels are a thing in Warhammer, given that several of the Gotrek and Felix books mention gyrocopters running on 'the black water' instead of steampower.
Canon has readily available fossil fuels, in-quest they are much more sparse.

Or just replace it. Hydrogen gas is not that hard to make, IIRC the dwarves are even mentioned at knowing how to do it in some book.
That's what the Gas Forge is for.
 
That's what the Gas Forge is for.
The problem is that the gas forge is in one location, as I understand it.

This makes airship operation rather hard. Just look at a regular voyage.

1) Take-off, carrying a certain amount of cargo, fuel and the lifting gas to cancel out that mass.
2) As the airship flies, it maintains it's altitude by alternatingly venting lifting gas and ballast to account for temperature changes, and the slow of lifting gas to deal with the burning of the fuel.
3) Arriving at its destination, the airship vents whatever gas it needs to descent, gets tethered, unloads, loads new fuel and so on.
4) The now heavier airship can no longer take-off, because it has gained additional fuel mass but it's source of lifting gas is a thousand miles away.

Now, what kind of gas is used by the gas forge is not specificied, afaik. Maybe it's a special gas that is far, far better at lifting than hydrogen, in which case it could be useful.
 
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The problem is that the gas forge is in one location, as I understand it.

This makes airship operation rather hard. Just look at a regular voyage.

1) Take-off, carrying a certain amount of cargo, fuel and the lifting gas to cancel out that mass.
2) As the airship flies, it maintains it's altitude by alternatingly venting lifting gas and ballast to account for temperature changes, and the slow of lifting gas to deal with the burning of the fuel.
3) Arriving at its destination, the airship vents whatever gas it needs to descent, gets tethered, unloads, loads new fuel and so on.
4) The now heavier airship can no longer take-off, because it has gained additional fuel mass but it's source of lifting gas is a thousand miles away.

Now, what kind of gas is used by the gas forge is not specificied, afaik. Maybe it's a special gas that is far, far better at lifting than hydrogen, in which case it could be useful.
Well we know historically that the thunderbarges where pretty large and heavily armed and armored (because it's dwarfs, of course they only make airships ready to sink actual ships...) so the gas has to be a bit more potent then normally available gas... Also it's made with magic which kinda already implies it's somehow weird.
 
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Maybe the Golden Age dwarves had smaller luxury work-runes that were able to synthesize hydrogen at the Holds, but not anywhere near the same capacity as the Gas-Forge?

Alternatively having access to liftgas also advanced their experience working with skycraft in general, and from there they figured out non-hydrogen hot-air balloon mechanics?

Then with standard atmosphere hot-air balloons, they would just need enough liftgas to cancel out their normal weight, and they could adjust altitude by venting (easily replaceable) heated air instead of the liftgas.

(I am not an aeronautics engineer)
 
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Now, what kind of gas is used by the gas forge is not specificied, afaik. Maybe it's a special gas that is far, far better at lifting than hydrogen, in which case it could be useful.
I don't think there can be a gas better at lifting than hydrogen? It's the lightest possible stable molecule. Unless it's pure magic, which doesn't seem to be the dwarven way.
 
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