Free Radical

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Propellant Formulation: 100%He Free Radical. Isp (sl): 2,200. Propellant Formulation: 100%Ne Free Radical. Isp (sl): 900. Propellant Formulation: 25%H/SH2 Free Radical. Temperature of Combustion: 2,050 deg K. Isp (sl): 680. Propellant Formulation: 33%H/SH2 Free Radical. Temperature of Combustion: 2,600 deg K. Isp (sl): 790. Propellant Formulation: 63%H/SH2 Free Radical. Temperature of Combustion: 4,500 deg K. Isp (sl): 1,140. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted.