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Post Info TOPIC: New type space manufacturing


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I'm very glad that space companies decide to be more eco-friendly. I don't want to say that all rocket fuel is too harmful to our environment, but why not adopt new technology when it's possible right? I have never heard about 3D printed rockets. Do you happen to know how safe and long-lastin



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-- Edited by flygc on Thursday 18th of February 2021 09:12:10 AM

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-- Edited by flygc on Thursday 18th of February 2021 09:15:10 AM

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-- Edited by flygc on Friday 18th of December 2020 05:42:56 PM

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The Scottish private space company Skyrora has tested a 3D printed rocket engine powered by recycled polymer waste. 

Fire tests took place in Fife County, Scotland. The test object was a 3.5 kN thrust engine made of components manufactured by selective laser deposition of metal powders. The engine uses a regenerative cooling system and is equipped with a thrust vector control system. Additive manufacturing was chosen due to the possibility of high-precision manufacturing with a significant reduction in the number of parts in the assembly, reducing costs and simplifying the entire production cycle.

The choice of fuel is also interesting: developers tested a pilot power plant on ordinary kerosene and on the so-called "eco-oil" - a more environmentally friendly synthesized analog of kerosene, obtained by processing polymer waste. According to the developers, the new fuel not only helps to get rid of the garbage but also provides cleaner combustion with a 45% reduction in greenhouse gas emissions compared to conventional kerosene. The process allegedly allows you to get 600 kg of fuel from one ton of garbage in just one day.

The start of flight tests of the Skylark-L suborbital ultra-light launch vehicle with a 3D-printed engine is scheduled for the second quarter of this year. More powerful 3D-printed propulsion systems with a thrust of three tons are planned to be used by 2022 on 22-meter orbital carriers Skyrora XL, designed to launch a payload weighing from 140 to 335 kg into sun-synchronous and polar orbits up to a thousand kilometers high. The assembly of the prototype of the "three-ton" engine was completed in December last year.

 

 



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