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Build a Space construction colony and hotelEvery other Space Agency in the world knows that SpaceX has won with reusable rockets. All of the existing non-reusable rockets cannot compete. The Japanese, Chinese, Europeans and Russians know that SpaceX is going to take all of the commercial space launch. SpaceX already has over half of the commercial space launch.
The US just needs to kill Space Launch System (SLS) and put the $4 billion per year into incentivizing more flights of SpaceX rockets.
The US could redirect the SLS money to just purchase SpaceX BFR flights and put up thousands of people into space, build a gigawatt of space-based solar power and establish lunar bases and space mining. This would give the US a lead in space that could be sustained until 2100.
Build the first large solar space power generation system. Do not beam power to the ground. Use a gigawatt of power to industrial space.
Right now the space industry is launching about 500-700 tons per year.
The US spends $60 billion per year on NASA, military and intelligence space programs. This means over $1.8 trillion over 30 years is what would be the expected budget. There is also the commercial space industry and international space efforts.
Putting the $4 billion per year that is being wasted on Space Launch System towards building a gigawatt of Space Based Solar power and the first large space station.
The International Space station cost over $100 billion. The cumulative budget put into the space shuttle program was over $200 billion.
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The Orbital Assembly videos describe a pathway that would lead to the first large 18000 person colony.
Orbital assembly describes a reasonable system of welding modular segments and then using flying space drones and crawling space drones to move pieces into place and to further weld segments together.
They have selected the main construction material of magnesium nanocomposite for lightweight and strength. There have already been tests of electron beam welding.
They want to use seven layer bora silica glass for the windows. This was used for the ISS (International Space Station) capola window.
Icarus Interstellar had a proposal for 10,000 person worldship. The habitation ring of the ship design could have Bigelow Aerospace inflatable modules attached to a basic frame.
The proposed worldship had 40 modules that were 120 meters by 155 meters. Two Bigelow BA2100 modules that are already designed could be used and provide more space than the space station.
Bigelow has 2100 cubic meter modules designed that are 18 meters by 12 meters. Cruise ship rooms are about 60 cubic meters. A Bigelow BA2100 module could have 15 rooms each. Half the space used for hallway and other purposes. 100 BA2100 modules could comfortably hotel about 1,500 people. Less room is needed for temporary stays than for long-term colonization. The first megabase would be for a more crude hotel and to house people to work on industrializing space.
A SpaceX BFR could launch two BA 2100 modules at a time. The bigelow modules are built on the ground and would only need to be attached to a rotating frame.
About 8 SpaceX BFR launches could be sufficient for an initial 150 person rotating station.
Ten SpaceX launches would provide a 150 person station with one gravity from rotation. Those could be the subsidized launches to get the flight rate up to support lower cost. Three such stations could be built per year including supporting the cost of Bigelow modules
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Boeing 747 and B52s
https://www.nextbigfuture.com/2018/...uild-a-lead-in-space-sustainable-to-2100.htmlOver 1500 Boeing 747s were built.
The US also had a sixty year lead with the B52 bomber. China’s newest heavy bombers cannot match the range and payload of the B52. The US did not just build one or two. The US built 744 of B52s. B52s were also built by Boeing.
Hundreds of SpaceX BFR (civilian and military) could follow what the Boeing 747 and Boeing B52 were.
The US has had a twenty-year lead fall into its lap with SpaceX and the BFR. Now just use it to build.
enjoy gentlemen
Big read