Questions tagged [launch-site]

Questions on launch complexes, spaceports or other locales for the launch of spacecraft.

Filter by
Sorted by
Tagged with
1
vote
1answer
97 views

Tilt of Strongback

Roughly by how many degrees does the strongback tilt back during liftoff? does the angle have any significance other than avoiding collision?
4
votes
1answer
182 views

Why were American Apollo-era launch towers red, and why was the reused elements of the Shuttle-era FSS painted over in grey?

This image of STS-8 shows red peeking through the grey of the launch structure. That got me thinking... Mercury-Atlas launch towers were red (although Mercury-Redstone's towers were yellow, I think) ...
5
votes
0answers
154 views

Trussed strongback or hollow shell strongback?

I noticed that rocket Lab has a hollow rectangular section strongback made of steel, while few strongbacks like that of Astra [similar size] has a trussed structure for a strongback. is there any ...
6
votes
2answers
3k views

Are cherry-pickers a new thing in spaceflight?

NASA Spaceflight's Chang Zheng-4B launches with two Tianhui 2 satellites links to the following @Cosmic_Penguin tweet It turns out to be...something else, an LM-4B successfully launching the 2nd pair ...
3
votes
1answer
101 views

Largest number of rockets launched into space from a given launch site in a 24 hour period?

Question: What is the largest number of rockets launched into space from a given launch site in a 24 hour period? Where, when, why? "into space" means $\ge$ 100 km, but pretty close to 100 ...
3
votes
0answers
51 views

Did the flare stacks at LC39 have pilot lights?

The liquid hydrogen fuel in the space shuttles would slowly boil off, while they waited on the launch pad at Kennedy Space Center launch complex 39A or 39B. The hydrogen vapors were removed by the ...
4
votes
0answers
61 views

Canso, NS as a launch site

I read a recent press release from Maritime Launch Systems and looked up their proposed launch site location in Nova Scotia, Canada. I don't understand why this location was chosen. If I were looking ...
2
votes
0answers
84 views

What exactly are "launch tables" and "dog bones" in the context of SpaceX's Super heavy-lift launch vehicle?

@geoffc's Pod Bay comment and link Great aerial photo of launch table with the 'dog bones' being installed. So curious how this will all play out! https://twitter.com/RGVaerialphotos/status/...
1
vote
2answers
144 views

launch rocket like bullet from steam/air rifle?

I've included an image depicting how exhaust energy from a rocket launch can be recouped by turning it into a large scale pressure cooker by the use of some kind of platform=sabot (thanks @...
4
votes
1answer
183 views

What is the Best position of an object in geostationary orbit relative to the launch site for rendezvous using GTO?

So let's say we have a space station or spacecraft in GEO, and I want to get another spacecraft to it from earth's surface on a direct geostationary transfer orbit, i.e. no waiting about in LEO for ...
5
votes
2answers
2k views

Are submarine launches horizontal?

Are the rockets launched from submarines in a horizontal or vertical position? I mean for the space launches like Volna and Shtil. This article says By reaching orbit, LauncherOne has become the first ...
6
votes
1answer
692 views

Are SpaceX launches from California going to retrograde orbits?

SpaceX has a launch site in Vandenberg Air Force Base, California. Will satellites launched from that place have a retrograde orbit?
6
votes
1answer
225 views

What force do the armed guards guarding the Crew-1 crew belong to?

In the comments to the question Why were the SpaceX Crew-1 astronauts backed up by guards with automatic weapons?, the question was raised what force the guards in the photo belong to. In particular, ...
35
votes
3answers
9k views

Why were the SpaceX Crew-1 astronauts backed up by guards with automatic weapons?

The photo in NPR's 4 Astronauts Aboard SpaceX Crew Dragon Successfully Dock With Space Station shows the four astronauts standing in front of a serious-looking military vehicle flanked by at least two ...
2
votes
1answer
62 views

Chinese launch site locations [duplicate]

As far as I can find, 3 out of 4 launch sites that the Chinese space program uses are far inland with launch trajectories that go over populated areas. This strikes me as odd, because unlike Russia, ...
2
votes
0answers
46 views

Water Deluge and Flame Trenches [duplicate]

After years of seeing a water tower so close to the launch pad, I’m now just starting to realize it has a purpose. I was a fool to think the water tower had been there for years and they just could ...
4
votes
2answers
306 views

Do the Russians use a water deluge system when launching their current rockets?

After a video by What About it discussing water deluge systems I got to thinking about it. I remember hearing that the Russians don't use water deluge systems. Not sure if these would be considered a ...
2
votes
1answer
130 views

Top American rocket launch sites?

Which American rocket launch sites had the most space launches?
23
votes
3answers
5k views

Why isn't SpaceX constructing the Super Heavy launch mount on top of the water?

With SpaceX creating their launch facility in Boca Chica Texas, right next to the water, why would they bother building a huge launch pad to withstand the blast, as opposed to building it on top of ...
17
votes
2answers
390 views

What damage/repairs have to be done to the launch pad every time SpaceX launches?

As SpaceX is a company that is very focused on rapid reusability, low-cost operation and a philosophy of "the best part is no part", what repairs have to be done to the towers and general ...
8
votes
1answer
2k views

Why do the Chinese launch most of their rockets so far from the coast?

We know that launching rockets near the coast is safe for human settlement areas in case a failure occurs. But, why does China launch its rockets so far from the coast (near hills)? Many launch sites ...
17
votes
2answers
1k views

How was the Buran launch stack assembled?

There is plenty of information about how the U.S. Space Shuttle was assembled for launch. How was the Soviet Buran shuttle assembled? Was it done at the pad, or in a separate building? In what order ...
1
vote
2answers
263 views

What is "TFR" in the context of operating a marine radar on top of a "water tower" at a launch site?

This answer to What is this propellor-like object on top of the SpaceX Hopper? includes the following: FCC filing: Space Exploration Technologies Corp. 0459-EX-CN-2020: ...d) List any natural ...
7
votes
6answers
680 views

Has any rocket been launched into orbit from a plain flat surface?

Related: Why will Superheavy/Starship have a landing pad so close to the launch pad? Most launch vehicles are launched from somewhat complex launchpads with towers, erectors, flame trenches or ...
6
votes
2answers
2k views

Why a 900,000 gallons LOX storage tank at Launch Complex 39?

At KSC complex 39 there is a 900,000 gallons LOX storage tank. It was used for Apollo Saturn V, the Space Shuttle and lately for the SpaceX Falcon 9 Full Thrust rocket. But why such a large tank for ...
3
votes
0answers
58 views

How many rising pipes for LOX at the the Saturn V launch tower?

The Saturn V used liquid oxygen for all three stages plus the Apollo Service Module. Were all these LOX tanks filled using the same rising pipe or did they use a seperate pipe for each tank? Using ...
4
votes
2answers
170 views

Why were the Little Joes launched from Virginia?

Little Joe was a program to test the Mercury launch escape system and heat shield. The 8 unmanned flights (2 with monkeys!) plus one pad abort were all launched from Wallops Island, Virginia. Why ...
13
votes
2answers
2k views

Why were two different California airbases (Vandenberg and Edwards) intended for Shuttle launches versus landings?

Vandenberg Air Force Base was intended to be the west-coast launch site of the Space Shuttle. Its Space Launch Complex 6 was only a few months from being ready for the first launch, when the ...
10
votes
1answer
347 views

How much of the Apollo gantry, tower, and pad were destroyed on each launch? How much could be reused?

I have often seen various videos showing the huge fireball beneath a Saturn rocket launching. But I have not seen video or photos of the aftermath. Was the gantry, ...
23
votes
1answer
2k views

Why did NASA collect so much data about electrical phenomena at the Apollo 13 launch site?

Apollo 13 was launched at Kennedy Space Center on April 11, 1970. The mission report devotes a considerable amount -- over 7 pages -- to a set of electrical measurements at the launch site: The ...
1
vote
0answers
27 views

Looking for ICS information at common launch facilities

I'm doing some research on cyber threats to launch facilities, such as those against industrial control systems leveraged by a typical launch service provider. Details of which types of systems are ...
33
votes
3answers
11k views

Why are Japan's launch facilities so far north?

Japan currently has two space launch facilities: Uchinoura Space Center (31°15′07″N 131°04′55″E) and Tanegashima Space Center (30°24′00″N 130°58′12″E). Both of these are at the south end of the main ...
25
votes
4answers
8k views

Advantages of launching very large rocket while submerged, buoyant, in a body of water

I vaguely remember reading about some supposed advantages of launching very large rockets (Saturn size and larger) from underwater in an ocean or similar large body of water. I was recently reminded ...
9
votes
5answers
4k views

Why does launching east result in an orbital inclination equal to the latitude of the launch site?

As mentioned briefly in this answer and this Everyday Astronaut video: And just as a reference, if you launched straight east out of Kennedy Space Center, you'd be on a 28.6° inclination which you ...
0
votes
2answers
271 views

What force would it take to launch a 100kg projectile into orbit from a big cannon?

What force would it take to launch a 100kg projectile into orbit from a big cannon? And what would be the optimum angle of the barrel of the cannon? I'm working on an animation and it's going to ...
11
votes
1answer
362 views

What is the utility of this peanut-shaped ground facility?

The following image is from GSLV-F11 GSAT-7A Mission: Location: Second Launch Pad (SLP), Satish Dhawan Space Centre, Sriharikota, India. Please click here in case you want to see the image in ISRO's ...
4
votes
2answers
283 views

Why do personnel in the KSC launch control room face away from the launchpad?

The firing rooms of the Kennedy Space Center have enormous windows that face the launch pads. However, personnel faced away from the windows, and thus away from the launchpad. Is there a documented ...
4
votes
1answer
217 views

What is a propellant burner trailer?

CNN and NPR have pointed out that the US president recently tweeted a surveillance photo of an explosion of a rocket on a launch pad. One of the items identified in the photo is labeled as a ...
1
vote
0answers
109 views

How do rocket launch sites get liquid oxygen? [duplicate]

How do rocket launch sites obtain their liquid oxygen used for loading the oxygen tanks in the rockets? A while ago I seem to remember reading something that implied SpaceX had equipment to generate ...
2
votes
1answer
151 views

Why were Robert Goddard's later launches in New Mexico?

Robert Goddard was born, educated, taught, and performed the first liquid-fuel rocket flight in Massachusetts. Why then were his later launches done in New Mexico?
3
votes
0answers
60 views

Australian rocket launches

Is there a rocket launching facility in Western Victoria or Eastern South Australia, situated west of Warracknabeal in Victoria? I witnessed what appeared to be two stage launch whilst travelling ...
2
votes
1answer
106 views

What scenario would require the closeout crew to use their light sticks?

The light sticks are intended as an aid in case of an emergency, and are colored orange to identify the astronaut crew, while technicians in the close-out crew carry green ones. https://en....
5
votes
2answers
132 views

Does landing a Falcon 9 first stage affect the allowable launch azimuths?

The rationale for limiting the allowable launch azimuths for many launch sites usually includes "dropping booster stages on population". With SpaceX (and maybe Blue Origin in the future) returning ...
3
votes
1answer
318 views

Was launch pad 110R ever used again after being obliterated on 3 July 1969?

A few weeks before the Apollo 11 moon landing, the Soviets attempted the second unmanned launch of their own lunar launch vehicle, the N1. This occurred at pad 110R (also called 110/38) of the ...
6
votes
0answers
134 views

How much did it cost to refurbish the Launch Complex 39 hardware after an Apollo Saturn V launch?

A launch pad used for a rocket of some 30-35 MNewtons of thrust does not come out of it unscathed. It must be refurbished before it can be used again. How much does that cost? As an indication of such ...
15
votes
1answer
1k views

What happened to boiled-off gases from the storage tanks at Launch Complex 39?

Both Apollo and the Shuttle launched from KSC complex 39, and used liquid oxygen and liquid hydrogen as propellants. These cryogenic liquids were held in storage tanks near the perimeter of each ...
7
votes
2answers
2k views

Negative impact of having the launch pad away from the Equator

I imagine a satellite meant for reaching a geostationary orbit will benefit most from it, but being near the Equator is surely an advantage to any space launch (right?). However, what's the impact ...
6
votes
1answer
2k views

How are umbilical connectors held in place until their intended detachment?

When a rocket is on its launch pad, umbilicals allow the flow of liquids, gases, electric power, and signals to the spacecraft. The umbilical is detached from the spacecraft at or before launch, to ...
4
votes
1answer
739 views

Why rockets are launched from sea level and not highlands? [duplicate]

This Is a question that was buzzing me, but since every meter of altitude a rocket consume an absurd amount of fuel, wouldn't be more efficent launching rocket from higher altitudes? Thinking to ...
5
votes
1answer
89 views

Are there any references about rocket Launchapd Design?

I am trying to figure out all the systems/structures/services that would be required to support rocket launches. Are there any references that describe this information? Essentially, I want to have ...