AKA: 45-KS-18,500;Star 31;TE-M-762. Status: In Production. Number: 18 . Thrust: 80.00 kN (17,984 lbf). Gross mass: 1,384 kg (3,051 lb). Unfuelled mass: 98 kg (216 lb). Specific impulse: 294 s. Burn time: 45 s. Diameter: 0.76 m (2.50 ft).
Antares III is the third-generation third stage for Vought Corporation's Scout launch vehicle. Propellant: AP/HTPB/Al propellant in a filament wound Kevlar case and a Thrust: 80 kN average. The design incorporates an 89-percent-solids HTPB propellant in a Kevlar(r) filament-wound case insulated with silica-filled EPDM rubber. Carbon/phenolic nozzle with a carbon/carbon throat insert. Total impulse 380,883 kgf-s. Propellant mass fraction 0.929.
Propellant Formulation: HTPB.