China's Space Program Thread II

by78

General
A high-resolution of Hesperia Planum taken by Tianwen-1 Mars orbiter.

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Xiongmao

Junior Member
Registered Member
(Continued from above...)

Some images and a video from the first hot test run of the first stage of Long March 10.


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I thought that LM10 had 7xYF-100 engines per the 1st stage and each booster. That looks like only 3 engines in the video.
 

taxiya

Brigadier
Registered Member
(Continued from above...)

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Interesting. Where is the test site? It is in an open area, not the same as YF-100 test site that we have seen before (in a valley). Also worth to note that the total thrust reached was 382t, so it is a big test stand probably 500t class.
 
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taxiya

Brigadier
Registered Member
I thought that LM10 had 7xYF-100 engines per the 1st stage and each booster. That looks like only 3 engines in the video.
They only mounted 3 engines in the middle, probably due to limitation of the test stand (500t). The 3 YF-100K reached 382t. 7 engines in full thrust would need a stand capable of 1000t.

The blue circled engines are mounted. The greens are left empty. The tank is of the same dimention (5m). The mounting device is real thing for the rocket, only not all the engines mounted.
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Feima

Junior Member
Registered Member
On June 7, NASA's Lunar Reconnaissance Orbiter spotted Chang’e 6 lander on the rim of an eroded, 50-meter crater within the Moon’s Apollo basin.

"on the rim of an eroded, 50-meter crater"

What does "eroded" here refer to, since there is no wind no rain on the moon?
 
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