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#1181
Apr 25 2017 07:51pm
Quote (russian @ Apr 25 2017 03:36pm)
Combustion is a chemical reaction that requires fuel and oxidizer. As long as both are present, there will be combustion in a vacuum.
Do you think that ALL chemical reactions stop in a vacuum, or just combustion?


An oxidizer is needed? um ok - like, oh idk maybe OXYGEN? How much oxygen is in a NEAR PERFECT vacuum?

that flame coming out of the rocket is thrust, that you believe its burning in space getting the space shuttle to 17,500 exactly is a joke i find hilarious you believe

do you think that combining the chemicals alone, without oxygen will still provide the trust and that those chemicals dont still need to burn?
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#1182
Apr 25 2017 08:09pm
Quote (card_sultan @ Apr 25 2017 06:51pm)
An oxidizer is needed? um ok - like, oh idk maybe OXYGEN? How much oxygen is in a NEAR PERFECT vacuum?

that flame coming out of the rocket is thrust, that you believe its burning in space getting the space shuttle to 17,500 exactly is a joke i find hilarious you believe

do you think that combining the chemicals alone, without oxygen will still provide the trust and that those chemicals dont still need to burn?


What's your opinion on underwater cutting and welding? Here's a video for reference:


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#1183
Apr 25 2017 08:54pm
Quote (tard_sultan @ Apr 25 2017 08:51pm)
An oxidizer is needed? um ok - like, oh idk maybe OXYGEN? How much oxygen is in a NEAR PERFECT vacuum?

that flame coming out of the rocket is thrust, that you believe its burning in space getting the space shuttle to 17,500 exactly is a joke i find hilarious you believe

do you think that combining the chemicals alone, without oxygen will still provide the trust and that those chemicals dont still need to burn?


Like I said. Do you even rocket fuel?

https://en.wikipedia.org/wiki/Rocket_propellant

Quote
Rocket propellant is either a high oxygen containing fuel or a mixture of fuel plus oxidant, whose combustion takes place, in a definite and controlled manner with the evolution of a huge volume of gas. In the rocket engine, the propellant is burnt in the combustion chamber and the hot jet of gases (usually at very high pressures, with combustion temperatures approaching 3000K) escapes through the nozzle at very high velocity.

Rocket propellant is a material used by a rocket as, or to produce in a chemical reaction, the reaction mass (propulsive mass) that is ejected, typically with very high speed, from a rocket engine to produce thrust, and thus provide spacecraft propulsion. Each rocket type requires different kind of propellant: chemical rockets require propellants capable of undergoing exothermic chemical reactions, which provide the energy to accelerate the resulting gases through the nozzle. Thermal rockets instead use inert propellants of low molecular weight that are chemically compatible with the heating mechanism at high temperatures, while cold gas thrusters use pressurized, easily stored inert gases. Electric propulsion requires propellants that are easily ionized or made into plasma, and in the extreme case of nuclear pulse propulsion the propellant consists of debris from nuclear explosions.


This post was edited by Santara on Apr 25 2017 08:54pm
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#1184
Apr 25 2017 10:26pm
Quote (Santara @ Apr 25 2017 04:54pm)
Like I said. Do you even rocket fuel?

https://en.wikipedia.org/wiki/Rocket_propellant

"chemical rockets require propellants capable of undergoing exothermic chemical reactions, which provide the energy to accelerate the resulting gases through the nozzle.



https://en.wikipedia.org/wiki/Exothermic_reaction

Examples of exothermic reactions:
Combustion reactions of fuels or a substance


But combustion cant happen in a vacuum and you've failed to explain how a vehicle could accelerate from 2k mph - 17-5k orbital velocity in a vacuum

Again you get into 1000% blind faith in the Military to not lie when you damn well know people cannot handle the truth.

Look, there's no way to convince me to have 1000% blind faith in the military, there no way to convince you to stop you from thinking your Agent Smith.

You should really stop trolling, but i do appreciate the views - you get a star for that!

Quote (russian @ Apr 25 2017 04:09pm)
What's your opinion on underwater cutting and welding? Here's a video for reference:
http://www.youtube.com/watch?v=baKdHa5TlYM


the ocean is not a vacuum, nice punt....

This post was edited by card_sultan on Apr 25 2017 10:29pm
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#1185
Apr 25 2017 10:42pm
Quote (card_sultan @ Apr 25 2017 10:26pm)
https://en.wikipedia.org/wiki/Exothermic_reaction

Examples of exothermic reactions:
Combustion reactions of fuels or a substance


But combustion cant happen in a vacuum and you've failed to explain how a vehicle could accelerate from 2k mph - 17-5k orbital velocity in a vacuum

Again you get into 1000% blind faith in the Military to not lie when you damn well know people cannot handle the truth.

Look, there's no way to convince me to have 1000% blind faith in the military, there no way to convince you to stop you from thinking your Agent Smith.

You should really stop trolling, but i do appreciate the views - you get a star for that!

the ocean is not a vacuum, nice punt....


By having a liquid oxygen tank in addition to a fuel tank.
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#1186
Apr 26 2017 12:03am
Quote (Thor123422 @ Apr 25 2017 06:42pm)
By having a liquid oxygen tank in addition to a fuel tank.


Will liquid oxygen allow combustion in a vacuum? IDk, I'm sure Nasa says yes and you'll believe whatever they say.

https://www.nasa.gov/returntoflight/system/system_SSME.html

The main engines continue to operate for 8.5 minutes after launch, the duration of the Shuttle's powered flight.


Doesn't seem like much time to get to 17,500 mph, probably why they have never been to actual space/beyond the Van Allen belt - just low earth orbit.


justed watched this video, he explains rocket travel in space perfectly at 7:44 - omfg



This post was edited by card_sultan on Apr 26 2017 12:18am
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#1187
Apr 26 2017 04:11am
card_sultan do you believe in ET ?
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#1188
Apr 26 2017 07:01am
Quote (tard_sultan @ Apr 25 2017 08:36pm)
Here's a better video that shows you combustion does not work in space.

http://www.youtube.com/watch?v=rxQdv4IO4DY



I never said that but see how you need to strawman, so sad. I said they are paid to show you what the sponsors want. Do you think they are showing you actual experiments - lol well some are, some aren't.


Except for the part where combustion does work. Combustion takes place in the combustion chamber, not vacuum. The expanding gases push out on all sides of the chamber except for the exhaust nozzle. That means that the combustion pushes the chamber in the opposite direction of the exhaust. Do you even rocket engine?

Who else would you be talking about when you strongly imply that a message is being crafted to mislead the public?

Quote (tard_sultan @ Apr 25 2017 11:26pm)
https://en.wikipedia.org/wiki/Exothermic_reaction

Examples of exothermic reactions:
Combustion reactions of fuels or a substance


But combustion cant happen in a vacuum and you've failed to explain how a vehicle could accelerate from 2k mph - 17-5k orbital velocity in a vacuum

Again you get into 1000% blind faith in the Military to not lie when you damn well know people cannot handle the truth.

Look, there's no way to convince me to have 1000% blind faith in the military, there no way to convince you to stop you from thinking your Agent Smith.

You should really stop trolling, but i do appreciate the views - you get a star for that!



the ocean is not a vacuum, nice punt....


I just explained that combustion works in space. When did you ask about accelerating from 2K to 17.5K?

Quote (tard_sultan @ Apr 26 2017 01:03am)
Will liquid oxygen allow combustion in a vacuum? IDk, I'm sure Nasa says yes and you'll believe whatever they say.

https://www.nasa.gov/returntoflight/system/system_SSME.html

The main engines continue to operate for 8.5 minutes after launch, the duration of the Shuttle's powered flight.


Doesn't seem like much time to get to 17,500 mph, probably why they have never been to actual space/beyond the Van Allen belt - just low earth orbit.


justed watched this video, he explains rocket travel in space perfectly at 7:44 - omfg

http://www.youtube.com/watch?v=xCsocm4Yngg


"Doesn't seem like..." is yet ANOTHER argument from incredulity from you. Just because YOU don't understand doesn't mean reality is inexplicable.
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#1189
Apr 26 2017 09:22am
Quote (card_sultan @ Apr 26 2017 12:03am)
Will liquid oxygen allow combustion in a vacuum? IDk, I'm sure Nasa says yes and you'll believe whatever they say.

https://www.nasa.gov/returntoflight/system/system_SSME.html

The main engines continue to operate for 8.5 minutes after launch, the duration of the Shuttle's powered flight.


Doesn't seem like much time to get to 17,500 mph, probably why they have never been to actual space/beyond the Van Allen belt - just low earth orbit.


justed watched this video, he explains rocket travel in space perfectly at 7:44 - omfg

http://www.youtube.com/watch?v=xCsocm4Yngg


Liquid oxygen would literally allow oxidation under any circumstances as long as there is something there to burn and some sort of spark to start the reaction. The only requirement for combustion is an oxidizer, something to oxidize, and activation energy which can be done with the most minor spark.

This post was edited by Thor123422 on Apr 26 2017 09:22am
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#1190
Apr 26 2017 10:07am
Quote (card_sultan @ Apr 25 2017 09:26pm)

the ocean is not a vacuum, nice punt....


I never said it was a vacuum. I just asked what your opinion was. Not only about the actual cutter, but also the person that's staying underwater for a surprisingly long amount of time. It's well known that humans require oxygen to survive (we actually need it to oxidize a fuel - a glucose derivative - in what's essentially a slow combustion reaction). Humans also frequently die when submerged in water due to lack of oxygen - an event commonly referred to as "drowning". But somehow the person in the video has managed to stay submerged for a pretty long time and appears to be alive and well.
Any idea how this is possible? How on Earth (flat or otherwise) can it be that someone or something requiring oxygen continues to function in an environment that doesn't have readily available oxygen?

I'm not entirely sure myself, but I do have PADI certification and I can tell you that every time I've survived for more than a few minutes underwater I always had some strange contraption strapped to my back. Some sort of metallic cylindrical objects. Maybe this is a clue that will help us figure out this magical mysterious conundrum. Together. What do you say, pal?
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