The FG-46 (a.k.a. EPKM and SpaB-170) is a Chinese spin stabilized

solid Solid is one of the four fundamental states of matter (the others being liquid, gas, and plasma). The molecules in a solid are closely packed together and contain the least amount of kinetic energy. A solid is characterized by structur ...

rocket motor A rocket engine uses stored rocket propellants as the reaction mass for forming a high-speed propulsive jet of fluid, usually high-temperature gas. Rocket engines are reaction engines, producing thrust by ejecting mass rearward, in accordance ...

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 ...

. It was developed by China Hexi Chemical and Machinery Corporation (also known as the 6th Academy of CASIC) for use in the

Long March 2E The Long March 2E, also known as the Chang Zheng 2E, CZ-2E and LM-2E, was a Chinese orbital carrier rocket from the Long March 2 family. The Long March 2E was a three-stage carrier rocket that was designed to launch commercial communications s ...

GTO GTO may refer to: Entertainment * ''Great Teacher Onizuka'', a manga, anime, live-action series, and film * GameTable Online, a game portal Music bands * GTO (band), an Australian band * The GTOs, an American girl group * Giraffe Tongue Orche ...

missions. It first flew as a prototype SPTS-M14 on July 16, 1990 on the Badr A mission. It had its first commercial mission orbiting the

AsiaSat 2 AsiaSat 2 was a Hong Kong communications satellite, which was owned, and was initially operated, by the Hong Kong based Asia Satellite Telecommunications Company. It was positioned in geostationary orbit at a longitude of 17° East of the Gree ...

on November 28, 1995 and exactly one month later, on December 28 its second and last mission for EchoStar 1. 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 (a rocket using propellant or a jet engine using fuel) creates thrust. For engines whose reaction mass is only the fuel they carry, specific impulse is ...

of 292 seconds burning for 87 seconds, with a total impulse of . It is spin stabilized at 40 rpm and the propellant mass can be reduced by up to eight months before launch or up to on the launch site.

References

Rocket engines of China Solid-fuel rockets {{rocket-stub