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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.
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Launch Vehicle • Delta II 7925H Launch Vehicle • 10L Composite Fairing 10L Stretch CompositePayload 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 10L fairing Sun side envelope (270 deg) TMA-55 OTA (Baffle removed) Radiator side envelope (90 deg) 2nd stage engine 7925 Launch Vehicle
10L Composite Fairing • 6019 PAF • 2nd Stage Engine
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-55 and TMA-56 Comparisons TMA-55 TMA-56
TMA-56 Optics with Gigacam. Configured for DeltaIV 4 meter fairing Pickoff Assembly Flat Folding Mirror NIR Imager Secondary Mirror CCD Imager Primary Mirror Radiators TTL Tracker Filter wheel Gyro Optical and NIR spectrometers Star Trackers Tertiary Mirror