launch vehicle
DESCRIPTION
Launch Vehicle. Delta II 7925H Launch Vehicle 10L Composite Fairing. 10L Stretch Composite Payload Fairing. Theirs. Ours. Launch Vehicle Configuration. 10L Composite Fairing Launch Volume (TMA-55 or 56) 6019 PAF 2nd Stage Engine 7925H LV. Ours. Theirs. TMA-55 Launch configuration. - PowerPoint PPT PresentationTRANSCRIPT
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Delta II 7925H - 10L Baseline workup
Launch Vehicle
Theirs Ours
• Delta II 7925H Launch Vehicle
• 10L Composite Fairing10L Stretch CompositePayload Fairing
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Delta II 7925H - 10L Baseline workup
Launch Vehicle Configuration
• 10L Composite Fairing
• Launch Volume (TMA-55 or 56)
• 6019 PAF
• 2nd Stage Engine
• 7925H LV
Ours Theirs
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Delta II 7925H - 10L Baseline workup
TMA-55 Launch configuration
10L fairing
Sun side envelope (270 deg)
TMA-55 OTA (Baffle removed)
Radiator side envelope (90 deg)
2nd stage engine
7925 Launch Vehicle
![Page 4: Launch Vehicle](https://reader036.vdocuments.net/reader036/viewer/2022081501/568137ce550346895d9f6d2e/html5/thumbnails/4.jpg)
Delta II 7925H - 10L Baseline workup
10L Composite Fairing
• 6019 PAF
• 2nd Stage Engine
![Page 5: Launch Vehicle](https://reader036.vdocuments.net/reader036/viewer/2022081501/568137ce550346895d9f6d2e/html5/thumbnails/5.jpg)
Delta II 7925H - 10L Baseline workup
TMA-55 Optics
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Delta II 7925H - 10L Baseline workup
TMA_56 Optics
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Delta II 7925H - 10L Baseline workup
TMA-55 and TMA-56 Comparisons
TMA-55
• Very thin Optical Bench Plate
• Cassegrain Focus is buried inside Primary
• Pickoffs not accessable
• Filter Wheel limits beam rotation
• Thick Optical Bench Plate (250mm)
• Room for detector mounts and shield
• Multiple Pickoffs
TMA-56
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Delta II 7925H - 10L Baseline workup
TMA-55 Rotated Beam
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Delta II 7925H - 10L Baseline workup
TMA-56 Optics with Gigacam. Configured for DeltaIV 4 meter fairing
Secondary Mirror
Primary Mirror
NIR Imager
CCD Imager
Tertiary Mirror
Radiators
Filter wheel
Star Trackers
Gyro
TTL Tracker
Optical and NIR spectrometers
Pickoff Assembly
Flat Folding Mirror