The FG-15 (AKA DFH-2 AKM and SpaB-170) was a
Chinese
Chinese may refer to:
* Something related to China
* Chinese people, people identified with China, through nationality, citizenship, and/or ethnicity
**Han Chinese, East Asian ethnic group native to China.
**'' Zhonghua minzu'', the supra-ethnic ...
spin stabilized apogee kick motor
An apogee kick motor (AKM) is a rocket motor that is regularly employed on artificial satellites to provide the final impulse to change the trajectory from the transfer orbit into its final orbit (most commonly circular). For a satellite laun ...
burning
HTPB
Hydroxyl-terminated polybutadiene (HTPB) is an oligomer of butadiene terminated at each end with a hydroxyl functional group. It reacts with isocyanates to form polyurethane polymers.
HTPB is a translucent liquid with a color similar to wax paper ...
-based
composite propellant
Ammonium perchlorate composite propellant (APCP) is a solid rocket propellant. It differs from many traditional solid rocket propellants such as black powder or zinc-sulfur, not only in chemical composition and overall performance but also by b ...
.
It was developed by
China Hexi Chemical and Machinery Corporation
China, officially the People's Republic of China (PRC), is a country in East Asia. With a population exceeding 1.4 billion, it is the second-most populous country after India, representing 17.4% of the world population. China spans the e ...
(also known as the 6th Academy of
CASIC
The China Aerospace Science and Industry Corporation (CASIC) is a Chinese state-owned enterprise that designs, develops and manufactures a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. CASI ...
) for use in the
Dong Fang Hong 2
Dong Fang Hong 2 (also romanised as Dongfanghong 2) was the primary television satellite used by China during the later part of the 20th century. It was developed at the Chinese Academy of Space Technology (CAST) and had a design life 4.5 year ...
satellite bus for insertion into
GSO orbit.
It has a total nominal mass of , of which is propellant load and its burn out mass is . It has an average thrust of with a
specific impulse
Specific impulse (usually abbreviated ) is a measure of how efficiently a reaction mass engine, such as a rocket engine, rocket using propellant or a jet engine using fuel, generates thrust. In general, this is a ratio of the ''Impulse (physics), ...
of 289 seconds burning for 35 seconds, with a total impulse of . This motor introduced a series of innovations for the Chinese solid motor industry: first use of glass fibre wound cases,
carbon/carbon nozzle throat insert material, contoured divergent nozzle, and non-destructive test of the motor grain.
The initial version had the manufacturing code FG-15 was associated to the DFH-2 bus and flew twice. The FG-15B was used by the DFH-2A bus and flew five times.
See also
*
China Hexi Chemical and Machinery Corporation
China, officially the People's Republic of China (PRC), is a country in East Asia. With a population exceeding 1.4 billion, it is the second-most populous country after India, representing 17.4% of the world population. China spans the e ...
*
Dong Fang Hong 2
Dong Fang Hong 2 (also romanised as Dongfanghong 2) was the primary television satellite used by China during the later part of the 20th century. It was developed at the Chinese Academy of Space Technology (CAST) and had a design life 4.5 year ...
*
Long March 3
The Long March 3 (), also known as the Changzheng 3, CZ-3 and LM-3, was a Chinese orbital carrier rocket design. They were all launched from Launch Area 3 at the Xichang Satellite Launch Center. It was a three-stage rocket, and was mostly used ...
References
Rocket engines of China
Solid-fuel rockets
{{rocket-stub