Questions tagged [supply-mission]

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5
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0answers
91 views

How much cargo volume is devoted to food

On the ISS resupply missions go up about every 90 days or so. On those resupply missions how much volume and mass are devoted to food for the astronauts? I've found estimates for the mass to be about ...
5
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1answer
107 views

What is the limiting factor for cargo throughput per launch to the ISS?

Given the high availability of ISS Commercial Cargo launches for NASA, it would seem that the aerospace stereotype of "mass reduction is paramount" may be outdated. What is the current limiting factor ...
1
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1answer
368 views

Will SpX-DM1 (Crew Dragon demo mission) carry any useful cargo (supplies)?

To adequately simulate crew transport, the Dragon 2 should at least carry mass simulators of mass equivalent to that of the astronauts. Will it? Will it be dummies or some useful cargo? Would be a ...
6
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1answer
164 views

Are pressurized cargo ships to the ISS depressurized before leaving the station?

Cargo ships to the ISS have a pressurized part, directly connected to the space station. The ATV had 48 m3 The Cygnus have 27m3 The HTV have 14 m3 The Dragon have 10m3 The Progress have 7.6m3 (?) Is ...
3
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1answer
147 views

What is the standard supply target for the ISS?

Every so often the ISS needs to have resupply mission to top off their stockpiles. What is the full list of items that the ISS regularly resupplies and how much of a stockpile do they try to ...
3
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1answer
1k views

How much fuel is being consumed by all spacecrafts in orbit?

It is possible to supply spacecrafts in orbit in cis-Lunar space with oxygen from fuel production facilities on the Moon or on asteroids. What is the size of this potential in-space oxygen market ...
5
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1answer
351 views

Is Landsat-7's propellant resupply port “robot-ready”? (Restore-L mission)

note: the recent 2019 news Northrop's satellite refueling spacecraft launches on October 9th which is sourced from Mission Extension Vehicle Headed for Space reminded me that there may be some ...
2
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1answer
200 views

Which current (2016) ISS resupply vehicles are human-rated, and how many astronauts can they each support?

Based on the situation in 2016: Which vehicles that are in use for ISS resupply missions are human-rated by any space agency? (Bonus points for a list broken down by country of origin and/or the ...
8
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3answers
853 views

Why do we have so many different spaceships to refill ISS?

To refill the ISS, many spacecraft have been or are used The shuttle (retired for obvious reasons) ATV (retired) HTV (will be retired) Progress Soyuz Dragon Cygnus CST-100 (future) Dream Chaser (...
7
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2answers
2k views

Where are the COPVs on Falcon 9's second stage?

Following the most recent Falcon 9 Rapid Unscheduled Disassembly, Elon Musk tweeted that "There was an overpressure event in the upper stage liquid oxygen tank. Data suggests counterintuitive cause." ...
5
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1answer
253 views

Does the cargo type to ISS differ between different carrier spacecrafts such as Progress, Dragon, HTV, Cygnus?

Do different cargo carriers to the ISS generally have different profiles for their cargo composition, or is it basically just the number of tons that matter? Especially with respect to cargo which is ...
11
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3answers
584 views

How could the proposed floating base in the atmosphere of Venus receive supplies?

I'm a big fan of the floating aerostat concept developed by Geoffrey Landis for colonizing Venus. But how would you supply a floating base? It would be an awfully small target to aim a vessel at. The ...