YF-21C

The YF-21C is a four-engine liquid-propellant cluster used on the first stage of the Long March 2C launch vehicle. The cluster burns nitrogen tetroxide and unsymmetrical dimethylhydrazine; this record does not split the cluster into unsupported sub-engine identities.

Identity

Aliases: YF-21C engine cluster
Domains: spaceflight
Identity Level: model
Kind: liquid-rocket-engine
Name: YF-21C
Status: active

Details

Description: The YF-21C is a four-engine liquid-propellant cluster used on the first stage of the Long March 2C launch vehicle. The cluster burns nitrogen tetroxide and unsymmetrical dimethylhydrazine; this record does not split the cluster into unsupported sub-engine identities.
Propellants: N2O4UDMH

Assets & Meta

Creation Time: August 13, 2026 at 23:19:59 UTC
Updated Time: August 13, 2026 at 23:19:59 UTC

Other

Sources

Title
FAA Annual Compendium of Commercial Space Transportation 2012
Url
https://www.faa.gov/about/office_org/headquarters_offices/ast/media/The_Annual_Compendium_of_Commercial_Space_Transporation_2012.pdf
Title
CNSA Long March Launch Vehicle Family
Url
https://www.cnsa.gov.cn/n6758968/n6758973/c6771770/content.html