Orbital Pegasus - Manual (Page 8)

Release 7.0 Apr 2010 viii
Pegasus User’s Guide
LIST OF FIGURES
PAGE
Figure 1-1. Pegasus Rollout ........................................................................................................................ 1
Figure 1-2. Pegasus Launch Locations ....................................................................................................... 2
Figure 2-1. Pegasus XL on the Assembly and Integration Trailer (AIT) ...................................................... 3
Figure 2-2. Expanded View of Pegasus XL Configuration........................................................................... 4
Figure 2-3. Principle Dimensions of Pegasus XL (Reference Only)............................................................ 5
Figure 2-4. Typical Pegasus XL Motor Characteristics in Metric (English) Units ........................................ 6
Figure 2-5. Typical Attitude and Guidance Modes Sequence ..................................................................... 7
Figure 3-1. Pegasus XL Mission Profile to 741 km (400nmi) Circular, Polar Orbit with a 227 kg
(501 lbm) Payload ..................................................................................................................... 9
Figure 3-2. Pegasus XL with HAPS Mission Profile to 741 km (400nmi) Circular, Polar Orbit with
a 227 kg (501 lbm) Payload..................................................................................................... 10
Figure 3-3. Pegasus XL Without HAPS Performance Capability............................................................... 11
Figure 3-4. Pegasus XL With HAPS Performance Capability.................................................................... 12
Figure 3-5. 3-sigma Injection Accuracies Typical of Pegasus XL Missions............................................... 12
Figure 3-6. Typical and Recent Pegasus Orbital Accuracy ....................................................................... 13
Figure 4-1. Factors of Safety for Payload Design and Test....................................................................... 15
Figure 4-2. Payload Testing Requirements ............................................................................................... 15
Figure 4-3. Pegasus Design Limit Load Factors........................................................................................ 16
Figure 4-4. Pegasus XL Maximum Quasi Steady Acceleration as a Function of Payload Weight............ 17
Figure 4-5. Pegasus Net CG Load Factor Predictions .............................................................................. 17
Figure 4-6. Motor Ignition Transient Shock Response Spectrum Specification ........................................ 18
Figure 4-7. Payload Interface Random Vibration Specification ................................................................. 18
Figure 4-8. Shock Environment at Base of the Payload ............................................................................ 19
Figure 4-9. Payload Acoustic Environment................................................................................................ 19
Figure 4-10. Representative Fairing Internal Pressure Profile During Captive Carry................................ 20
Figure 4-11. Representative Fairing Internal Pressure Profile During Powered Flight.............................. 20
Figure 4-12. Pegasus XL RF Emitters and Receivers ............................................................................... 22
Figure 4-13. Carrier Aircraft RF Emitters and Receivers ........................................................................... 22
Figure 5-1. Payload Fairing Static Envelope with 97 cm (38 in.) Diameter Payload ................................. 25
Figure 5-2. Payload Fairing Dynamic Envelope with 97 cm (38 in.) Diameter Payload ............................ 26
Figure 5-3. Payload Fairing Static Envelope with 59 cm (23 in.) Diameter Payload ................................. 27
Figure 5-4. Payload Fairing Dynamic Envelope with 59 cm (23 in.) Diameter Payload ............................ 28
Figure 5-5. Payload Fairing Access Door Placement Zones (shown with optional second door shown) . 29
Figure 5-6. Nonseparable Payload Mechanical Interface.......................................................................... 30
Figure 5-7. 97 cm (38 in.) Separable Payload Interface ............................................................................ 31