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The TQ-15 (Chinese: 天鹊-15; pinyin: Tiānquè-15, lit. Sky Lark 15) is a gas-generator cycle rocket engine burning liquid methane and liquid oxygen under development by Landspace. The most recent version of the TQ engine family, the TQ-15A, is intended to power the second stage of LandSpace's upgraded Zhuque-2 rocket.

History

In October 2022, the construction of a fresh batch of ZQ-2 rockets was announced by LandSpace. A new variant of the TQ family of engines, designated as TQ-15A, was used in the second stage. The weight of the engine was reduced by 400 kg as a result of the elimination of the TQ-11 vernier thrusters, and vectoring is now done with a thrust vector control system that can angle up to four degrees. Additionally, the thrust will be enhanced and equipped with restart capabilities for greater mission profile flexibility.

In March 2024, the first flight-ready TQ-15A was delivered for the assembly of Zhuque-2 Block 2.

On November 27, 2024, an upgraded Zhuque-2E with a TQ-15A engine powering the second stage successfully placed 2 satellites into orbit.

References

1. Beil, Adrian (9 October 2022). "China launches Advanced Space-borne Solar Observatory". NASASpaceFlight.com. Retrieved 23 November 2022.
2. Zafar, Ramish (20 October 2022). "China's Largest Private Rocket Engine Breathes Fire In First Successful Test". Wccftech. Retrieved 23 November 2022.
3. "蓝箭航天首台天鹊A发动机成功交付". Weixin Official Accounts Platform (in Chinese (China)). Retrieved 15 March 2024.
4. Jones, Andrew (27 November 2024). "Landspace puts 2 satellites in orbit with enhanced Zhuque-2 rocket". SpaceNews. Retrieved 27 November 2024.

v t e Rocket engines and solid motors for orbital launch vehicles
Comparison of orbital rocket engines
Liquid fuel	Cryogenic Hydrolox (LH2 / LOX) China YF-73 YF-75 YF-75D YF-77 YF-79 YF-90 Europe HM7B Vinci Vulcain India CE-7.5 CE-20 Japan LE-5 LE-7 LE-9 Russia KVD-1 (RD-56) RD-0120 RD-0146 United States BE-3U BE-7 J-2 RL10 RS-25 RS-68 Methalox (CH4 / LOX) China BF-20 Lingyun Longyun TQ-11 TQ-12 TQ-15A YF-209 YF-215 United States BE-4 Raptor Archimedes Aeon 1 Aeon R Russia RD-0169 Europe Prometheus M-10 Semi- cryogenic Kerolox (RP-1 / LOX) China TH-11 TH-12 YF-100 YF-102 YF-115 YF-130 Welkin India SCE-200 Russia NK-15 NK-33, 44 RD-58 RD-0105, 0109 RD-0107, 0108, 0110 RD-0110R RD-0124 RD-107, 108, 117, 118 RD-120 RD-170, 171 RD-180 RD-191, 151, 181 RD-193 S1.5400 Spain TEPREL Ukraine RD-8 RD-801 RD-810 United States F-1 H-1 Kestrel LR-79 LR89 LR105 LR70-NA , S-3D Merlin RS-27 RS-27A RS-56 S-3D Rutherford XLR50 Storable Hypergolic (Aerozine, UH 25, MMH, or UDMH / N2O4, MON, or HNO3) China YF-1, 2, 3 YF-20, 21, 22, 24, 25 YF-23 YF-40 YF-50D Europe Aestus Astris Vexin Viking India PS4 Vikas Israel LK-4 North Korea Paektusan LRE along other LREs Russia 17D61 RD-0202 to 0206, 0208 to 0213 RD-0207, 0214 RD-0216, 0217, 0235 RD-0233, 0234 RD-0236 RD-0237 RD-0243 to 0245 RD-0255 to 0257 RD-215 to 219 RD-250 to 252, 261, 262 RD-253, 275 RD-263, 268, 273 RD-270 S5.92 S5.98M Ukraine RD-843 RD-854, 861 RD-855 RD-856 RD-864, 869 United States AJ10 LR-87 LR-91 RS-88* TR-201 XLR81* Other Russia RD-109, 119 RD-211 to 214 UK Gamma United States Curie RS-88* XLR81*
Solid fuel	China FG-02 FG-36 FG-46 FG-47 SpaB-65 SpaB-140C Europe Mage 1 P-4 P-6 PAP P80 P120C P230 Topaze Waxwing Zefiro 9 Zefiro 23 Zefiro 40 India S7 S9 S12 S139 S200 Iran Salman Rafe Israel LK-1 RSA-3 Japan KM-V1 KM-V2b M-14 M-24 M-34 M-34c SRB-A United States AJ-60A Algol Castor 30 GEM Orbus-6 Orbus-21 Orion Space Shuttle SRB Star 37 Star 48 UA120 SRMU X-248 X-254
* Different versions of the engine use different propellant combinations Engines in italics are under development

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