| Country of origin | China |
|---|---|
| Designer | Academy of Aerospace Liquid Propulsion Technology[1] |
| Status | Active |
| Liquid-fuel engine | |
| Propellant | LOX[1] / RP-1[1] |
| Cycle | Gas-Generator Cycle |
| Configuration | |
| Chamber | 1[1] |
| Performance | |
| Thrust, sea-level | 835 kN (188,000 lbf)[1] |
| Throttle range | 620 kN (140,000 lbf) to 835 kN (188,000 lbf)[1] |
| Chamber pressure | 8.5 MPa (1,230 psi)[2] |
| Specific impulse, sea-level | 275.3 seconds (2.700 km/s)[2][3] |
| Burn time | 130 s [2][3] |
| Restarts | Multiple[1] |
| Gimbal range | 6°[3] |
| Dimensions | |
| Length | 2,178 millimetres (85.7 in)[3] |
| Used in | |
| Tianlong-2 | |
The YF-102 is a Chinese liquid rocket engine burning LOX and kerosene in a gas generator cycle.[4] It is manufactured by the AALPT based on the experience of previous kerolox engines, and using 3D printing technology and is capable of multiple restarts.[1][3] It is used in Tianlong-2 launch vehicle developed by Space Pioneer.[5]
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