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Originally posted by gorramgroupie:
It's a gun from the settlement where Book was, although I don't know how they fired it without O2.

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Originally posted by wytchcroft:

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Originally posted by daveshayne:
Assuming it uses a gunpowder type propellant it doesn't need an external source of oxygen to fire. The whole thing with Vera needing a case in OMR is therefor either a science mistake on the part of ME or a special situation in which that particular gun needs oxygen to fire for no reason that anybody can really think of.

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Originally posted by Adamwankenobi:

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Originally posted by nvghostrider:
I love the ponderings of the stuff in the 'verse. I think the external turbines were used within the atmosphere of planets and moons.

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Originally posted by wytchcroft:
can Inara's shuttle break atmo?

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INARA: What's her range?

MAL:Standard short. She'll break atmo from a wide orbit. Get you where you need to go, bring you back home again.

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Originally posted by nbz:

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Originally posted by wytchcroft:
can Inara's shuttle break atmo?

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yes. From OoG:

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INARA: What's her range?

MAL:Standard short. She'll break atmo from a wide orbit. Get you where you need to go, bring you back home again.

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Originally posted by nbz:


On the other hand the "turbine" engines that Serenity has would not work too well, if they are based of any current design.

For a show where science made the producers head hurt, it got a lot right.

and the "fuel" would probably have to be of an interesting mix too.

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Not exactly on topic, but as for engine design:

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Originally posted by nvghostrider:
Oh, my lord. There you are.

Propellent (such as gunpowder) requires oxygen as an accellerant to fully force the projectile from the casing throught the barrel of a fire arm. Also, oxygen is required to complete the gas mixture that cycles both gas piston and blowback firearm actions.

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Originally posted by TPage:
Regarding firing a weapon in space: Joss comments in the OMR commentary track that they made a mistake. They received the advice that Vera would require oxygen and as such filmed it like that. Once production finished on the episode they found out otherwise at which point it was too late to re-film.

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It's been a while since I listened to the commentary. So I may be mixing my facts up.

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Originally posted by nvghostrider:
Okay, I forgot being able to fire a weapon under water. (Yeah, I'm too lazy to check out the links but oh well, you're right, I'm wrong. You're the the best golfer, I'm the worst. You are extremely attractive and me, not so much. )

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So yeah, the scary part is that the projectile fired in outerspace will never lose its momentum or trajectory unless influenced by an outside force. So if Serenity were to make a quick run in the same direction Jayne fired and suddenly stopped for some reason than Jayne might have actually shot Serenity on accident?

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Originally posted by RocketJock:
So while the exact reason why Vera had to get dressed up was wrong, Jayne was right to be protective of his best girl.

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Originally posted by RiverFlan:
And, daveshayne, your punctuation on your quote is a little off. It should be:
"Geeks can't admit that anything worthwhile was invented before 1981. Soon, 'making cocoa' will be called 'milk hacking.'" - Lore Sjoberg

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Try watching the commentary for Our Mrs. Reynolds. Right around the time Jayne fires Vera if I remember correctly.

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Originally posted by nvghostrider:
There is always some explaination to be invented by someone much smarter than I.

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Originally posted by traveler:

Another question to ponder is how did Jayne aim Vera? He could not look down the sights with her wraped up in that suit. He really was a expert with weapons to pull that off.

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Originally posted by nvghostrider:
I love the ponderings of the stuff in the 'verse. I think the external turbines were used within the atmosphere of planets and moons. which they had oxygen to operate in. If I'm wrong, meh. There is always some explaination to be invented by someone much smarter than I.

We could always say "Powered by Buddy Christ".

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Originally posted by out2theblack:
That'd be a more-valid notion , but the USSR did not use digital electronic computers in their space program in the space-pen era of Apollo...

The Soyuz , and other Russian spacecraft designs were known to use clockwork (gears!) timing and navigation systems as late as 1975 , and probably far later...

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