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In this regard, it can be seen that the high-power liquid rocket engine developed and completed by North Korea is the first liquid rocket engine of the Paektusan series, and its name is Paektusan-1 according to the North Korean naming practice. If we develop a modified version of the Paektusan-type liquid rocket engine, which will further improve the performance of the aerospace industry, it will be called Paektusan-2.
http://www.jajusibo.com/imgdata/jajuilbo...548924.png ; http://www.jajusibo.com/sub_read.html?ui...ction=sc38 ;
▲ The photo shows a table used by Supreme leader Kim Jong Un, who was placed at the observing station installed near the static test stand.
"백두산계렬 80tf급 액체로케트(발동기): Paektusan Series 80 tf liquid rocket (engine)" is written in red. Note, the world "engine" is out of the camera's field!
The title of the explanatory note indicates that the high-power liquid rocket engine developed and completed at this time is 80 ton-force liquid rocket engine. Ju Shobo and Han Ho Seok
According to a March 20, 2017 report, Korean military experts analyzing the thrust of the new liquid rocket engine shown in the DPRK photographs, evaluated the liquid rocket engine as a 100-ton-force rocket engine.
The 100-ton-force is 980 kilo Newtons. The 80-ton-force liquid rocket engine appeared on the static ground test on September 19, 2016, and the 100-ton-force liquid rocket engine appeared on the static ground test conducted on March 18, 2017. As a result, it can be seen that, as of September 2017, the Paektusan liquid rocket engine series was developed as an 80 ton-force type in 2016 and a 100 ton-force type in 2017, respectively.
Quote:It is impossible to launch commercial communication satellite from the Korean latitude ... Maritime space launch
입력 : 2013.02.02 03:06
The Sohae Space Center is suitable for launching low orbit satellites such as earth observation satellites, but it can not launch communication satellites or meteorological satellites. These satellites are launched from the equator. The answer is the the Pacific Ocean's equator.
The global space market is worth $ 177.3 billion in 2011. 60% of them are satellite services using communication satellites.
Geostationary satellites orbit in the Earth's rotation direction. The equatorial orbit has the highest rate of rotation of the earth. If you launch satellite into the equatorial orbit, you can use less energy with the help of the Earth's rotation speed.
When launched from Korean space center, the space launcher has to turn 30 degrees or so to fly a long distance, so energy consumption is incredibly high. It is also possible that the first stage rocket may fall to Japan because it has to fly toward the equator.
If the rockets use less fuel, the satellites can weigh more. This is why France has secured half of the global satellite launches, because it has built its space launch site in Kourou, in the equatorial colony of Guiana.