Engineering:Antares 2
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Antares 2 (X-259) was an American solid-fueled rocket stage built by Hercules/ABL/Thiokol that used a cast, aluminized, double-base solid propellant containing nitrocellulose.[1][2][3][4] It was used from the mid-1960s to 1995, in the Scout and Strypi family of rockets,[5][6] and on the Project FIRE Velocity Packages, and was used about 96 times.[2][7]
Details
Basic details of the X-259 stage:[2][1]
- Thrust: 93.10 kN (20,930 lbf)
- Gross mass: 1,400 kg (3,100 lb)
- Unfuelled mass: 300 kg (660 lb)
- Specific impulse: 293 s.
- Specific impulse sea level: 233 s.
- Burn time: 36 s.
- Height: 2.9 m (9.5 ft)
- Diameter: 0.76 m (2.5 ft)
Variants
There were various variants:[2][5]
- Antares 2 was used on Scout X-2 1C, B 2A, B-1 F, D-1 F and D; Strypi Tomahawk, XI and IX; SPARTA and Athena H
- Antares 2A was used on Scout-X2, X2B, X2M, X3, X3A, X3C, X3M, X4, X4A, X5C, A, A1, B, B1, C, and D1; and Project FIRE;
- Antares 2B was used on Scout-A2, B2, E1 and Scout-F1.
References
- ↑ 1.0 1.1 McCulloch, R. H. (September 1963). Standard Launch Vehicle I (SLV-I) System Description and Operation Summary. DEFENSE DOCUMENTATION CENTER FOR SCIENTIFIC AND TECHNICAL INFORMATION. https://apps.dtic.mil/sti/pdfs/AD0423703.pdf.
- ↑ 2.0 2.1 2.2 2.3 Wade, Mark. "Antares 2". http://www.astronautix.com/a/antares2.html.
- ↑ FINAL REPORT ON THE MANUFACTURE AND STATIC FIRING OF X259-E6 ROCKET MOTOR SERIAL NUMBER XJ04/0001. NASA. January 1975. https://ntrs.nasa.gov/api/citations/19750006755/downloads/19750006755.pdf.
- ↑ McDowell, Jonathan (2019). "Antares". https://planet4589.org/space/book/lv/engines/motorlist/antares.html.
- ↑ 5.0 5.1 Krebs, Gunter D. (2025). "Scout Family" (in en). https://space.skyrocket.de/doc_lau_fam/scout.htm.
- ↑ "Rocket Motor, Solid Fuel, X-259" (in en). https://airandspace.si.edu/collection-objects/rocket-motor-solid-fuel-x-259/nasm_A19680240000.
- ↑ PROJECT FIRE INTEGRATED POST FLIGHT EVALUATION REPORT - Flight II. NASA. July 1965. pp. VII. https://ntrs.nasa.gov/api/citations/19660005936/downloads/19660005936.pdf.
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