Jarrah White would like to invite you to see the Apollo 11 footage that Svector, Phantom Wolf and Shane Killian have tried to suppress from public view.
well since your talking about "scaling" and mars atmosphere is around 1 percent of earth then the lander diameter surface aero braking section would have to be substantially increased in size to get it down to the supersonic speeds it supposedly deploys it's chutes at. Also the chutes would have to be substantially scaled up. Practicality is a question here.
@stalkervision By the way, a simple Google search for "Phoenix EDL" results in a number of papers detailing the physics of Phoenix' entry into the Martian atmosphere. The first step was to get a good model of the Martian atmosphere, which the Mars Global Surveyor did. From that, it's easy to calculate the forces felt by a craft entering the atmosphere. WhiteJarrah could have spent the time he took to make these videos by instead informing himself a bit - the physics here isn't that complicated.
@stalkervision The Martian atmosphere is not "near vacuum," and the scaling does indeed work for any density. Dynamic pressure is given by P_dynamic = 1/2 (density)*(velocity)^2. The Martian atmosphere has a surface density of about 15 g/m^3 and a scale height of 11 km. A craft entering the atmosphere at a velocity of 1 km/s would feel 1 atmospheric pressure (atm) at about 50 km altitude, and 10 atm at 22 km. In other words, Phoenix decelerated rapidly, even before the chute was deployed.
For one thing one needs a drogue chute to deploy the much larger main chute and the speeds which they quote would shred a drogue chute if you even managed to get it deployed in this vacuum.
The funniest thing about this guy's conspiracy theories is that they require NASA to have some very prodigious photo fakers. They'd have to have an army of people sitting 24/7 at their computers altering photographs and videos to make the volumes of data they release to the public look just right. And how about those close-up pictures of the outer planets? Are they doctored too, the product of some artist's imagination? What about the pictures of Saturn backlit by the Sun? Are those also fake?
@8:02 the guy gives him 2 middle fingers. haha. probably for lying.
yourmajezty 4 months ago
8:03 lol
Quex01 6 months ago
@Thucydides411
What about the screw, was that not funny.
kennjohnsen 6 months ago
@stalkervision
Well, you are a video maker, I will watch it. Yes, we know what would happen, actually nothing so to say.
kennjohnsen 6 months ago
well since your talking about "scaling" and mars atmosphere is around 1 percent of earth then the lander diameter surface aero braking section would have to be substantially increased in size to get it down to the supersonic speeds it supposedly deploys it's chutes at. Also the chutes would have to be substantially scaled up. Practicality is a question here.
stalkervision 6 months ago
@stalkervision By the way, a simple Google search for "Phoenix EDL" results in a number of papers detailing the physics of Phoenix' entry into the Martian atmosphere. The first step was to get a good model of the Martian atmosphere, which the Mars Global Surveyor did. From that, it's easy to calculate the forces felt by a craft entering the atmosphere. WhiteJarrah could have spent the time he took to make these videos by instead informing himself a bit - the physics here isn't that complicated.
Thucydides411 6 months ago
@stalkervision The Martian atmosphere is not "near vacuum," and the scaling does indeed work for any density. Dynamic pressure is given by P_dynamic = 1/2 (density)*(velocity)^2. The Martian atmosphere has a surface density of about 15 g/m^3 and a scale height of 11 km. A craft entering the atmosphere at a velocity of 1 km/s would feel 1 atmospheric pressure (atm) at about 50 km altitude, and 10 atm at 22 km. In other words, Phoenix decelerated rapidly, even before the chute was deployed.
Thucydides411 6 months ago
For one thing one needs a drogue chute to deploy the much larger main chute and the speeds which they quote would shred a drogue chute if you even managed to get it deployed in this vacuum.
stalkervision 6 months ago
@Thucydides411 well when your deploying a chute in a near vacuum there are very certain limits to that "scaling" working..
stalkervision 6 months ago
The funniest thing about this guy's conspiracy theories is that they require NASA to have some very prodigious photo fakers. They'd have to have an army of people sitting 24/7 at their computers altering photographs and videos to make the volumes of data they release to the public look just right. And how about those close-up pictures of the outer planets? Are they doctored too, the product of some artist's imagination? What about the pictures of Saturn backlit by the Sun? Are those also fake?
Thucydides411 6 months ago