Remass

344 pts ยท December 13, 2017


My username is a shortening of "Reaction Mass" - whatever is stored to be thrown out the back of rockets to go. In most rockets, it is also the fuel, usually hydrogen and oxygen or a hydrocarbon (such as methane or kerosene), though the terms mean different things. This is as fuel is what provides the energy. While in chemical rockets like are almost universally used today they are the same, in some engine types they are separate, though, for example in a nuclear thermal engine the fuel is uranium or plutonium, while the reaction mass is hydrogen or whatever is run by the reactor core to be heated up.

I do hope that upper green rotating part is sealed within the engine, otherwise there goes your compression if not.

7 years ago | Likes 2 Dislikes 0

Can I get on this too? Seems like something I would like to know of.

7 years ago | Likes 2 Dislikes 0

Pretty much, yeah.

7 years ago | Likes 5 Dislikes 0

Note that Hall Effect Thrusters give absolutely miniscule thrust, so they will probably never be used on a surface to orbit vehicle.

7 years ago | Likes 89 Dislikes 1

Looks good though the mk.3 fuselage really doesn't achieve the fat look of the actual thing.

8 years ago | Likes 4 Dislikes 0

After discovering Tylo had no atmosphere.

8 years ago | Likes 1 Dislikes 0

While it went pretty well, I'd've pumped the second laythe probe's fuel into the last carrier stage and used that to do the vall probe well

8 years ago | Likes 3 Dislikes 0

Fair enough. The fact that the symbol is on there makes me think 'was captured in battle, hasn't been held long enough to add everything yet

8 years ago | Likes 2 Dislikes 0

Not enough excessively extravagant junk on it - that's only 40k baseline, hardly sufficient for slaanesh.

8 years ago | Likes 2 Dislikes 0

This is... Not really where bug reports are supposed to be filed.

8 years ago | Likes 2 Dislikes 0

.

8 years ago | Likes 1 Dislikes 0

I'm unsure of the benefit of such a mechanism over a single 4-blade rotor, but that'll need some nice synchronizer gears.

8 years ago | Likes 1 Dislikes 0

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8 years ago | Likes 1 Dislikes 0

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8 years ago | Likes 1 Dislikes 0

Where specifically? In what way?

8 years ago | Likes 1 Dislikes 0

That card... Nekocon 20... November ... 2017... Hampton... Perhaps the army's been digging tunnels to places other than south Korea?

8 years ago | Likes 2 Dislikes 0

They really aren't - If heated to a sufficient degree, they decompose into graphite.

8 years ago | Likes 1 Dislikes 0

8 years ago | Likes 1 Dislikes 0

Probably works great if you're extremely skilled though, but I doubt many workers are that skilled.

8 years ago | Likes 2 Dislikes 0

That's going to be very hard to use, as with that much flopping about it'd almost never actually hit the target.

8 years ago | Likes 6 Dislikes 1

When it get translucent is, I figure, when the first stage has decoupled and the second stage's engines start, which have different exhaust.

8 years ago | Likes 1 Dislikes 0

If any of you all are wondering, the trail expanding more and more is as the air gets thinner higher up, the exhaust can expand more.

8 years ago | Likes 1 Dislikes 0

While this is slightly more recent than the other one, I'll put my dot here, to encourage an even distribution of appreciation. .

8 years ago | Likes 1 Dislikes 0

Yep, that's happened to me... I put a label on the inside of a vice.

8 years ago | Likes 3 Dislikes 0

8 years ago | Likes 4 Dislikes 0

What's the chemical in #3?

8 years ago | Likes 2 Dislikes 1

Of course, the system (being a giant laser array) is also good for sending energy elsewhere, such as at other people's sattelites.

8 years ago | Likes 2 Dislikes 0

Saving on engine mass and meaning any propellant can be used, not just explosive ones. That is, without nuclear engines, but they're heavy.

8 years ago | Likes 2 Dislikes 0

I recognize that system for launching rockets! That's a laser launch, in which propellant is heated by lasers on the surface, (1/2)

8 years ago | Likes 2 Dislikes 0