Info

Mission One-Way

Two-Way

32 deg Turn

Figure 5.21. Orbital maneuver missions per 191 propellant payload for five different OMV propulsion systems.

Mission One-Way

Two-Way

32 deg Turn

Figure 5.21. Orbital maneuver missions per 191 propellant payload for five different OMV propulsion systems.

Table 5.16. Number of orbital missions per 19 metric ton propellant payload for 2,268 kg satellite payload for the OMV.

Launcher propulsion

Solar Thermal Nuclear

Mission Hypergolic H2/O2 electric nuclear electric

LEO to GSO and return

Impulse OMV 1.7 3.8 4.7 11 118

32-degree plane change

Hypersonic glider 5.5

32-degree plane change impulse OMVs executing two different missions, and the aerodynamic turn mission for the FDL-7 C/D hypersonic glider with a lift-to-drag ratio of 2.7.

Although heavier than the impulse OMV's, the efficiency of the aerodynamic plane change maneuver permits the hypersonic glider to have 45% greater mission capability from the same orbital tanker propellant load. Solar electric and nuclear electric are not appropriate propulsion systems for vehicles that fly in the upper atmosphere, because of the solar panels and radiators associated with those systems.

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