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Krzysztof Pennar Moshe Zilversmit Jon Winkler John Pignetti Ariane Mortazavi Takeshi Fuchiwaki

Structures Team. Krzysztof Pennar Moshe Zilversmit Jon Winkler John Pignetti Ariane Mortazavi Takeshi Fuchiwaki Josh Fromm. Fall 2004 Final Report. Baseline Mission. Current Work : Pin Pullers and Hinges Updated Solidworks files Preliminary FEA New bus configuration

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Krzysztof Pennar Moshe Zilversmit Jon Winkler John Pignetti Ariane Mortazavi Takeshi Fuchiwaki

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  1. Structures Team Krzysztof Pennar Moshe Zilversmit Jon Winkler John Pignetti Ariane Mortazavi Takeshi Fuchiwaki Josh Fromm Fall 2004 Final Report

  2. Baseline Mission Current Work: • Pin Pullers and Hinges • Updated Solidworks files • Preliminary FEA • New bus configuration • Individual Component Radiation Hardening Trade: • Showed increase in mass of 1.12 kg.

  3. New Bus Configuration • A preliminary FEA showed that a solid panel bus should be redesigned • Designed a X-panel bus which weights 3.055kg • Key design issue: Induced moment from being a piggyback satellite.

  4. Upscope Mission • Maintain mass savings with a new bus design vis-à-vis FEA • A hexagonal bus design was chosen for more stability. It weights 5.487 kg.

  5. Descope Mission • With no propulsion tank bus size was reduced to a 30x30x15 cm box. • Panels were kept solid due to radiation hardening trade. Bus mass is 5.85 kg.

  6. Mass Savings and Updated Moments Baseline Moments of Inertia (kg * m^2): Ix = 0.6915 Iy = 0.7981 Iz = 1.2180 Descope Moments of Inertia (kg * m^2): Ix = 0.644 Iy = 0.661 Iz = 0.160 Upscope Moments of Inertia (kg* m^2); Ix = 0.581 Iy = 0.734 Iz = 1.117

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