Questions tagged [dragon-v2]

SpaceX's second version of the Dragon spacecraft, also called "Crew Dragon". It is designed to carry humans.

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Evacuating the ISS but wait, there's only one Spacecraft?

I was doing some research regarding the Soyuz as I'm currently planning a summer project in which I would build a close replica of a Soyuz when the question popped into my mind, "What would ...
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Why might particulate matter be shaken loose during Crew Dragon Demo-1 launch?

Here is the picture of Expedition 58 crew members enter the Dragon 2 of Crew Dragon Demo-1 for the first time. They are wearing protective gear to avoid breathing particulate matter that may have ...
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Why does Falcon 9 launch with Crew Dragon solar panels facing down?

I noticed in video of the first crewed mission in August that Falcon 9 pitches down with the Dragon solar panels facing down. I'd been expecting the solar panels to be facing up, because sun. Does ...
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Why is the Orbital Velocity after SECO of Crew Dragon with 27K km/h lower than of ISS?

Crew Dragon after SECO: Orbital Vfelocity at 27,000km/h at 200km altitude (roughly 9-10min after liftoff). ISS Orbital Velocity at ca. 28,000 km/h at 400km altitude.iss_altitude,iss speed However from ...
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Does the SpaceX Crew-1 commander have any command duties while docked at the station?

The SpaceX Crew-1 mission itself has a commander who is in charge, I suppose, during transit and landing. The ISS also has a commander. Does the commander of crew 1 have any command duties while ...
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Why is the SpaceX crew-1 mission more important than the previous one (demo-1)?

The previous one was also crewed (two crew) but it was called "demo" for some reason - despite taking astronauts to the ISS. How is the recent one different?
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How many Crew Dragon spacecraft are SpaceX planning to operate?

NASA has bought six Crew Dragon flights and there is at least one private flight booked for next year. There are currently two flight-capable Crew Dragon spacecraft. Is SpaceX currently building ...
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What are these shiny wrist plates worn by astronauts in the SpaceX crew capsule

What are these shiny wrist plates worn by astronauts in the SpaceX crew capsule? screen shot from the NASA YouTube video Watch NASA's SpaceX Crew-1 Mission Arrive at the International Space Station
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Why doesn't SpaceX know how long orbital maneuver burns will take?

While listening in on today's Crew Dragon 1 rendezvous, I noticed something interesting: the announced duration for the final coelliptic burn was "25 to 35 seconds". And this wasn't just a ...
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What are the highlighted rectangular objects on the SpaceX's CRS 21 Dragon capsule?

What are the rectangular objects seemingly placed where otherwise Super Dracos would be - in this picture of the CRS 21 Dragon 2 capsule? Reference: https://twitter.com/SpaceX/status/...
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In Crew Dragon do the astronauts feel like flying upside-down?

When looking at Crew Dragon flight paths diagrams I saw that for phasing burns and deorbit burns they don't use the side thrusters, as I would expect, but four thrusters mounted at the "top" ...
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Is there an official flight profile of the reentry of the Dragon spacecraft?

I wonder whether there's an official plan of the reentry and landing of either the former Dragon spacecraft or the Dragon V2/Crew Dragon, with details like altitudes, velocities, burn length and ...
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Is Crew Dragon rated for any non-Spacex boosters?

The Spacex crew Dragon uses the Falcon 9 for its orbital launches, and is not set to ever use a different launcher. However, an uncrewed Dragon will probably launch on the Falcon Heavy, as is planned ...
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Parachutes of Apollo and Crew Dragon capsules, what is different and what is the same?

The number of main chutes is different, Apollo three, Crew Dragon four. Both capsules used drogue and main chutes. Apollo had two drogue chutes with single stage reefing. Apollo used a two stage ...
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Camera cuts on live Dragon capsule recovery as astronauts put on stretcher

I noticed that, during the recovery of the astronauts of the first Dragon landing, the live streaming camera was placed beautifully on the ship and one viewpoint was used the entire time, except for a ...
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Why Crew Dragon needs 18 hours between ISS separation and descent?

The Crew Dragon undocks from ISS but then it spend 18 hours in orbit before deorbit burn. From there, it takes less than one hour to come back to Earth. Why it needs 18 hours? Evven if they check all ...
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Could the Crew Dragon be used to re-boost the ISS?

In an answer to a related question, Jörg W Mittag wrote the following: But more importantly, handling of the Superdracos is currently rather simple. They are safed after reaching orbit and then never ...
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Can the SuperDraco engines aboard Crew Dragon be used to save the crew on splashdown if the chutes failed?

I've heard it several ways, so I should ask here. In the case of a main chute failure, are the SuperDracos able to attempt a contingency propulsive splashdown to save Dragon's crew? If this is in the ...
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Does the Crew Dragon still have the launch abort fuel on board at landing?

The Crew dragon launches with a fairly large amount of fuel for its SuperDraco thrusters so that they can provide launch escape. If the launch goes OK is that fuel carried all the way to orbit and ...
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What was the Crew Dragon reentry mass for the mission that landed August 2, 2020?

What was the Crew Dragon reentry and touchdown mass for the mission that landed August 2, 2020? (I found that Soyuz Descent Module has a reentry mass of 2850 kg.) See: http://www.braeunig.us/space/...
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What are the main stages of a Crew Dragon descent?

From answers to How much time it takes for the capsules to descend from ISS back down to Earth? I understand it takes 19 hours from the undocking from ISS until it touches the land. But what are the ...
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Would Dragon reenter safely if the nose cone stayed open?

If its nose cone does not close before reentry, would the Dragon capsule be safe after reentry? The nose cone protects important components like the forward hatch and guidance systems. How damaged ...
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How do Crew Dragon's main parachutes deploy?

As far as I can tell, there are two distinct "doors" on Crew Dragon that house parachute-related equipment. In the below picture, I've outlined the upper door in yellow and the lower one in ...
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What capabilities does Orion have that Dragon-V2 does not?

In an answer to Why does the government still fund SLS while SpaceX is cheaper and has the same capabilities if not better?, Barry Jenekuns said: Dragon isn't comparable in capabilities to Orion and ...
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How will the recovery of the first crewed Crew Dragon water recover differ from previous recoveries of Crew and Cargo flavors?

The NASA video Expedition 63 Inflight with New York Times, Fox News, and USA Today - July 7, 2020 includes an interview with Fox News reporter Bill Hemmer, who asks: I am most interested in your ...
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What is the maximum apogee a Dragon spacecraft can reach?

What is the maximum apogee a Crew Dragon can reach in a highly elliptical orbit (by both the Falcon 9 and the Falcon Heavy)? There is a planned touristic mission in which the current apogee record of ...
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Duration of SpaceX Demo-2 mission

I've read that the duration of the current SpaceX demo mission to the ISS and back is highly variable. It was originally estimated they could be on-board the ISS from 1 to 4 months, and currently ...
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Effects On ISS Orbital Mechanics Resulting From Added Mass Of Dragon Capsule Visit

Does the ISS require any type of orbital mechanics management once the Dragon capsule was confirmed with a positive airlock seal, and the mass of the spacecraft, 2 additional astronauts, and supplies ...
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SpaceX Dragon 2 (Crew Dragon) Standalone Mission Duration

Wikipedia's Dragon 2 page states a one week free flight limit. However, by following their source, the only information available is mission duration from one week to two years. This book also states ...
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Why do Crew Dragon astronauts need to climb up one level using the stairs before ingress?

While watching the launch of SpaceX Crew Dragon, I noticed that, once the astronauts came out of the elevator in the fixed service structure, they had to 'climb up' one level using the stairs, before ...
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After the Crew Dragon's success, does Boeing's Starliner still offer value?

Boeing's Starliner is more expensive than Crew Dragon and seems not to offer any significant advantages. Is there still value to NASA or other parties in the future to having a choice between the two?
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Do non-American space travellers train on Dragon capsule as well?

Soyuz is a spacecraft which still uses technologies from soviet era. The Dragon capsule is state of the art with its electronic upgrades. With Russia and US sharing the International Space Station ...
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Is the Falcon 9 second stage engine throttled down to limit maximum acceleration

Is the Falcon 9 second stage Merlin vacuum engine throttled down during its burn to limit the maximum acceleration experienced by the Dragon or Crew Dragon capsule? As the second stage consumes ...
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What is the speed of crew Dragon upon splashdown?

After reentry, what is the speed of the Dragon 2 capsule right before splashdown? What g-force is received upon splashdown? At the time of writing, this answer gives such information for many other ...
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Is Crew Dragon flawed? Is it just an improvisation with no future?

I know that, Crew Dragon was initially designed for vertical landing on solid surfaces, as a reusable spacecraft, and then some changes were made to make it capable of landing in water using ...
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Can Crew Dragon land with more people than it was launched with?

For example, Crew Dragon recently delivered two astronauts to ISS and there are at the moment 5 astronauts on board ISS. Assuming [pick your own disaster scenario] happens and all 5 astronauts had to ...
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Were Crew Dragon's touch screens tested under 3-5 G on Earth in a centrifuge?

To use a touch screen wearing a pressurized suit with gloves may be not as easy as without space suit and gloves. But what about tests done under more than Earth's gravity?
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Why would spacecraft docking to the ISS have a different atmospheric pressure?

In the SpaceX Demo 2 Crew Dragon livestream, they had to equalize pressure between the ISS and the Dragon spacecraft. The voice on the stream said that they were bringing it to levels that match Earth'...
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Why do the SpaceX suits require “drying” during the mission?

In the period when the Crew Dragon Demo-2 mission was initially docking with the ISS, before the hatches were open, one of the tasks was to "dry the suits". They reported on the status later, ...
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Can Falcon 9 be fueled slowed to delay the instantaneous launch window?

DM-2's first launch attempt was scrubbed at about T−17 minutes due to bad weather at the instantaneous launch window, even though the weather was predicted to clear up as early as T+10. It was ...
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Are there any differences in docking procedures between ISS and manned capsules vs. unmanned capsules?

The Russian Soyuz has an extensive history in docking with ISS with both manned and unmanned capsules. SpaceX just recently demonstrated manned-capsule docking with ISS with a history of unmanned ...
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Why does opening the Crew Dragon hatch take so long?

What procedures are followed during opening of the hatches of both ISS and Crew Dragon, and why does it take so long?
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Why were the SpaceX ninjas (pad crew) using a stepladder to move something?

On the second launch attempt of the Dragon Crew Demo 2 (human spaceflight), sometime lower than 1:50:00 to launch, the ninjas spend about 5 minutes on a stepladder, dealing with a tube and box, which ...
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What specific threshold requirements or conditions is satisfied by the SpaceX Demo-2 Crew Dragon to warrant a manned flight? [closed]

I am wondering if there has been enough tests before the maiden manned flight of Demo-2 Crew Dragon. There were an autonomous flight test a year ago and a flight abort test late last year. There seem ...
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What are the safety differences in launch conditions with Crew Dragon vs a normal launch?

During the scrubbed launch yesterday, one of the commentators mentioned there were more restrictions on crewed launches vs a launch of a satellite or Cargo Dragon. Is there a list of differences?
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What is inside the overhead compartments in crew dragon

During the DEMO-2 live stream there was a black section visible above the heads of the astronauts. In an image tweeted out by Elon these were labeled as “9” and “10” with symbols of water droplets. ...
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Does Crew Dragon have a quick-release hatch?

After today's Crew Dragon launch was scrubbed, it took the pad ninjas at least ten minutes to open the hatch. One of the major criticisms of the Apollo Block 1 hatch design after the Apollo 1 fire ...
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How would astronauts brave a 19 hour trip to ISS inside Crew Dragon capsule?

From when the astronauts board the Crew Dragon launch vehicle to docking with ISS is around 22 hours. Are the astronauts going to remain immobile through the duration of flight? How do astronauts ...
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Why do they make the astronauts sit in Crew Demo-2 for so long before launch?

I just tuned in to the live "broadcast" for the Crew Demo-2 and it looks like the astronauts sat down over an hour and a half ago, and there's still more than an hour to go. Why do (did) they have to ...
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Are the SpaceX ground crew wearing masks as part of a standard suit or to prevent COVID-19?

Watching the live SpaceX operations and I noticed the ground crew were all wearing masks Is this part of the standard ground crew kit, or is this just for COVID-19 prevention?