SpaceX Tuesday...
Discussion
Kccv23highliftcam said:
Wow, that is some serious engineering.Of course, you could always try building a BFR in https://kerbalspaceprogram.com/en. Although, knowing KSP SpaceX fans, it's already been done.
Solocle said:
Kccv23highliftcam said:
Wow, that is some serious engineering.Of course, you could always try building a BFR in https://kerbalspaceprogram.com/en. Although, knowing KSP SpaceX fans, it's already been done.
Solocle said:
Kccv23highliftcam said:
Wow, that is some serious engineering.Of course, you could always try building a BFR in https://kerbalspaceprogram.com/en. Although, knowing KSP SpaceX fans, it's already been done.
In an interview with CNN, Branson has admitted to being jealous of Musk's launch
http://money.cnn.com/2018/02/14/technology/richard...
Virgin Galactic was founded in 2004 and has yet to fly a single operational suborbital mission.
SpaceX was founded 2 years earlier, but flew its first successful launch, orbit, and recovery of a spacecraft in 2010.
Branson would need to do a lot to even get close to catching up - and I don't think he will, as I feel that to him Virgin Galactic is primarily a publicity vehicle for his Virgin Group business.
http://money.cnn.com/2018/02/14/technology/richard...
Virgin Galactic was founded in 2004 and has yet to fly a single operational suborbital mission.
SpaceX was founded 2 years earlier, but flew its first successful launch, orbit, and recovery of a spacecraft in 2010.
Branson would need to do a lot to even get close to catching up - and I don't think he will, as I feel that to him Virgin Galactic is primarily a publicity vehicle for his Virgin Group business.
Some spacex wifi sat info...
Number of satellites: 4,425 (Expansion to 12,000?)
Est. Annual Revenue: $6.3Bn ($1.4 M/sat/yr)
Satellite lifetime: 5-7 years
Replenishment per year: 700-900 satellites
Sat dimensions: Approx 1.8 x 1.2 x 4.0 m
Orbit: 1,100 - 1,325 km
The primary structure for the Microsat-2a and -2b test spacecraft will be a box design measuring 1.1m x 0.7m x 0.7m and carries the spacecraft flight computer, power system components, attitude determination and control components, propulsion components, GPS receiver, and broadband, telemetry, and command receivers and transmitters. The primary bus is mounted on the payload truss system, which also carries communications panels, inter-satellite optical link transmitters and receivers, star trackers, and a telemetry antenna. There are two 2x8 meter solar panels. Each demonstration spacecraft has a total mass of approximately 400kg.
1,770,000 kgs of sats!
Number of satellites: 4,425 (Expansion to 12,000?)
Est. Annual Revenue: $6.3Bn ($1.4 M/sat/yr)
Satellite lifetime: 5-7 years
Replenishment per year: 700-900 satellites
Sat dimensions: Approx 1.8 x 1.2 x 4.0 m
Orbit: 1,100 - 1,325 km
The primary structure for the Microsat-2a and -2b test spacecraft will be a box design measuring 1.1m x 0.7m x 0.7m and carries the spacecraft flight computer, power system components, attitude determination and control components, propulsion components, GPS receiver, and broadband, telemetry, and command receivers and transmitters. The primary bus is mounted on the payload truss system, which also carries communications panels, inter-satellite optical link transmitters and receivers, star trackers, and a telemetry antenna. There are two 2x8 meter solar panels. Each demonstration spacecraft has a total mass of approximately 400kg.
1,770,000 kgs of sats!
RobDickinson said:
Some spacex wifi sat info...
Number of satellites: 4,425 (Expansion to 12,000?)
Est. Annual Revenue: $6.3Bn ($1.4 M/sat/yr)
Satellite lifetime: 5-7 years
Replenishment per year: 700-900 satellites
Sat dimensions: Approx 1.8 x 1.2 x 4.0 m
Orbit: 1,100 - 1,325 km
The primary structure for the Microsat-2a and -2b test spacecraft will be a box design measuring 1.1m x 0.7m x 0.7m and carries the spacecraft flight computer, power system components, attitude determination and control components, propulsion components, GPS receiver, and broadband, telemetry, and command receivers and transmitters. The primary bus is mounted on the payload truss system, which also carries communications panels, inter-satellite optical link transmitters and receivers, star trackers, and a telemetry antenna. There are two 2x8 meter solar panels. Each demonstration spacecraft has a total mass of approximately 400kg.
1,770,000 kgs of sats!
I was watching a program last night about Porthcurno and the first undersea cables laid to connect London to Bombay Number of satellites: 4,425 (Expansion to 12,000?)
Est. Annual Revenue: $6.3Bn ($1.4 M/sat/yr)
Satellite lifetime: 5-7 years
Replenishment per year: 700-900 satellites
Sat dimensions: Approx 1.8 x 1.2 x 4.0 m
Orbit: 1,100 - 1,325 km
The primary structure for the Microsat-2a and -2b test spacecraft will be a box design measuring 1.1m x 0.7m x 0.7m and carries the spacecraft flight computer, power system components, attitude determination and control components, propulsion components, GPS receiver, and broadband, telemetry, and command receivers and transmitters. The primary bus is mounted on the payload truss system, which also carries communications panels, inter-satellite optical link transmitters and receivers, star trackers, and a telemetry antenna. There are two 2x8 meter solar panels. Each demonstration spacecraft has a total mass of approximately 400kg.
1,770,000 kgs of sats!
https://en.wikipedia.org/wiki/Porthcurno
That kind of infrastructure that Space X are putting up is as amazing as those first cables in 1870.
annodomini2 said:
RobDickinson said:
Well I guess they can launch on FH reusable mode 64000kg to leo so thats ~160 a launch , launches will cost spacex a lot less than 90 million, say 30 FH launches...
64,000kg is expendable mode, they haven't currently specified the reusable payload.Gargamel said:
I was watching a program last night about Porthcurno and the first undersea cables laid to connect London to Bombay
https://en.wikipedia.org/wiki/Porthcurno
That kind of infrastructure that Space X are putting up is as amazing as those first cables in 1870.
I visited Porthcurno last year and went to the telegraph museum there. Quite impressive and important enough that in WW2, a large bunker was built into the granite hill to protect the vital international communications.https://en.wikipedia.org/wiki/Porthcurno
That kind of infrastructure that Space X are putting up is as amazing as those first cables in 1870.
Beati Dogu said:
Gargamel said:
I was watching a program last night about Porthcurno and the first undersea cables laid to connect London to Bombay
https://en.wikipedia.org/wiki/Porthcurno
That kind of infrastructure that Space X are putting up is as amazing as those first cables in 1870.
I visited Porthcurno last year and went to the telegraph museum there. Quite impressive and important enough that in WW2, a large bunker was built into the granite hill to protect the vital international communications.https://en.wikipedia.org/wiki/Porthcurno
That kind of infrastructure that Space X are putting up is as amazing as those first cables in 1870.
Without wanting to keep veering off topic further, fans of Porthcurno cable station etc should watch these.
The first showing all the other interesting stuff around the area relating to undersea cables and various other comminication infrastructure. There is a lot more than you think!
https://www.youtube.com/watch?v=K_nnUbX7uuQ
Excellent documentry about the first trans-Atlantic cables
https://www.youtube.com/watch?v=pZLY6KjVwQg
There are some other interesting films around on Porthcurno in the war too, but I can't find them at the moment.
It was one of the heviest defended places in the UK during the WW2
The first showing all the other interesting stuff around the area relating to undersea cables and various other comminication infrastructure. There is a lot more than you think!
https://www.youtube.com/watch?v=K_nnUbX7uuQ
Excellent documentry about the first trans-Atlantic cables
https://www.youtube.com/watch?v=pZLY6KjVwQg
There are some other interesting films around on Porthcurno in the war too, but I can't find them at the moment.
It was one of the heviest defended places in the UK during the WW2
RobDickinson said:
Some spacex wifi sat info...
Number of satellites: 4,425 (Expansion to 12,000?)
Est. Annual Revenue: $6.3Bn ($1.4 M/sat/yr)
Satellite lifetime: 5-7 years
Replenishment per year: 700-900 satellites
Sat dimensions: Approx 1.8 x 1.2 x 4.0 m
Orbit: 1,100 - 1,325 km
The primary structure for the Microsat-2a and -2b test spacecraft will be a box design measuring 1.1m x 0.7m x 0.7m and carries the spacecraft flight computer, power system components, attitude determination and control components, propulsion components, GPS receiver, and broadband, telemetry, and command receivers and transmitters. The primary bus is mounted on the payload truss system, which also carries communications panels, inter-satellite optical link transmitters and receivers, star trackers, and a telemetry antenna. There are two 2x8 meter solar panels. Each demonstration spacecraft has a total mass of approximately 400kg.
1,770,000 kgs of sats!
Are there details of what kind of receiver/transmitter and modem is needed to work with this system? I guess you no longer need a dish pointed at a specific satellite, but is it small enough to be integrated into devices or a small peripheral?Number of satellites: 4,425 (Expansion to 12,000?)
Est. Annual Revenue: $6.3Bn ($1.4 M/sat/yr)
Satellite lifetime: 5-7 years
Replenishment per year: 700-900 satellites
Sat dimensions: Approx 1.8 x 1.2 x 4.0 m
Orbit: 1,100 - 1,325 km
The primary structure for the Microsat-2a and -2b test spacecraft will be a box design measuring 1.1m x 0.7m x 0.7m and carries the spacecraft flight computer, power system components, attitude determination and control components, propulsion components, GPS receiver, and broadband, telemetry, and command receivers and transmitters. The primary bus is mounted on the payload truss system, which also carries communications panels, inter-satellite optical link transmitters and receivers, star trackers, and a telemetry antenna. There are two 2x8 meter solar panels. Each demonstration spacecraft has a total mass of approximately 400kg.
1,770,000 kgs of sats!
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