/sci/ - Science & Math

>>16111266
None of the F9 clones have flown. All of them have engines in testing.

Space Pioneer engine test:
https://www.bilibili.com/video/BV1aW4y1c7Gk/

Landspace's TQ-12 engine is already flying, and ZQ-3 will use a derivative version TQ-12B

iSpace did another JD-2 engine test just recently:
https://www.bilibili.com/video/BV1ur421x7Zx

DBA engine test:
https://www.bilibili.com/video/BV1i5411q7am

Galactic Energy engine test:
https://mp.weixin.qq.com/s/6THSW7_X1uRITIfD8pDg8A

Orienspace gas generator test:
https://www.bilibili.com/video/BV1v54y1K76Z

Space Epoch are buying engines for XZY-1 from JZYJ, who wrote recently on their website that they have delivered the first three flight-ready engines to their "second customer", which is probably Space Epoch, and that these engines will be used for 10km and 100km hop tests
http://www.jzyjspace.com/news/60.html
Space Epoch has done various ground tests
https://www.bilibili.com/video/BV1524y1a7Se
https://www.bilibili.com/video/BV1ac411r7Az/

>>16065256
Every company behind the rockets in OP's pic has hot fired liquid rocket engines, most of them have done hop tests