Algol 1

Manufacturer Name: Senior. Other Designations: Aerojet Sr. Designer: Aerojet. Gross Mass: 10,705 kg (23,600 lb). Empty Mass: 1,900 kg (4,100 lb). Propellants: Solid. Thrust(vac): 470.900 kN (105,863 lbf). Thrust(sl): 427.000 kN (95,993 lbf). Isp: 236 sec. Isp (sea level): 214 sec. Burn time: 40 sec. Diameter: 1.01 m (3.31 ft). Length: 9.12 m (29.92 ft). Chambers: 1. Country: USA. First Flight: 1960. Last Flight: 1963. Flown: 20.

This rocket started as a Polaris test motor with a 40 inch diameter, which at the time was the largest solid motor ever tested. It had a nominal performance rating of 45 seconds duration and 45,000 kgf thrust. Variations included Algol I, I-D, II, II-A, II-B and possibly others. Another popular rating was 40KS-115,000 (52,000 kgf for 40 seconds), also known as Senior.

Algol 1 used on Rocket Stages

Used on stage: Algol 1. on launch vehicle: Blue Scout 1.

Used on stage: Algol 1. on launch vehicle: Blue Scout 2.

Used on stage: Algol 1. on launch vehicle: Scout X-1.

Used on stage: Algol 1. on launch vehicle: Scout X-2.

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