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YF-100
The liquid-oxygen/kerosene engine used in pairs on each of the four Long March 5 strap-on boosters.
Identity
Aliases
YF-100 liquid oxygen-kerosene engine
Domains
spaceflight
Identity Level
model
Kind
liquid-rocket-engine
Name
YF-100
Status
active
Details
Description
The liquid-oxygen/kerosene engine used in pairs on each of the four Long March 5 strap-on boosters.
Propellants
kerosene
liquid oxygen
Links
Official Url
https://www.cnsa.gov.cn/n6758968/n6758973/c6808556/content.html
Assets & Meta
Creation Time
August 1, 2026 at 15:00:34 UTC
Updated Time
August 1, 2026 at 15:00:34 UTC
Other
Sources
Accessed Date
2026-08-01
Note
The CNSA article identifies four boosters with two YF-100 liquid-oxygen/kerosene engines each, establishing eight booster engines total.
Publisher
China National Space Administration
Title
Long March 5: numbers behind the rocket
Url
https://www.cnsa.gov.cn/n6758968/n6758973/c6808556/content.html
Accessed Date
2026-08-01
Note
CNSA documents the YF-100 high-pressure staged-combustion engine as a Long March 5 propulsion development.
Publisher
China National Space Administration
Title
New features of the Long March 5 carrier rocket
Url
https://www.cnsa.gov.cn/n6758823/n6758838/c6808566/content.html
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