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pres_willcox - 16.885 Aircraft Systems Engineering Cost...

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16.885 Aircraft Systems Engineering Cost Analysis Karen Willcox MIT Aerospace Computational Design Laboratory AEROSPACE COMPUTATIONAL DESIGN LABORATORY
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Outline • Lifecycle cost • Operating cost • Development cost • Manufacturing cost • Revenue • Valuation techniques 9/19/200 4 16.885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY
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Lifecycle Cost Lifecycle : Design - Manufacture - Operation - Disposal Lifecycle cost : Total cost of program over lifecycle 85% of Total LCC is locked in by the end of preliminary design. 9/19/200 4 16.885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY
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Lifecycle Cost 0 20 40 60 80 100 65% Conceptual design Preliminary design, system integration Detailed design Manufacturing and acquisition Operation and support Disposal Time Impact on LCC (%) 85% 95% (From Roskam, Figure 2.3) 9/19/200 4 16.885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY
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Operating Cost ¾ Airplane Related Operating Cost SROC (AROC) 10% ¾ Passenger Related Operating Cost (PROC) ¾ Cargo Related Operating Cost (CROC) ¾ Systems Related Operating Cost (SROC) 70% 18% AROC PROC 9/19/200 4 16.885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY
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Airplane Related Operating Costs CAPITAL COSTS: Financing CASH AIRPLANE RELATED CAROC 60% 40% Capital Costs OPERATING COSTS: Insurance Crew Depreciation Fuel Maintenance Landing Ground Handling GPE Depreciation GPE Maintenance Control & Communications CAROC is only 60% - ownership costs are significant! 9/19/200 4 16.885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY
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CAROC Breakdown per Trip Other Control Landing 6% Ground Handling 7% & Comm 9% 3% Fuel 20% Crew 40% Maintenance 15% Fuel is roughly 20% of 60% of 70% of Total Operating Cost i.e. 8% typical data for a large commercial jet 9/19/200 4 16.885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY
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Non-Recurring Cost Cost incurred one time only: Engineering - airframe design/analysis - configuration control - systems engineering Tooling - design of tools and fixtures - fabrication of tools and fixtures Other - development support - flight testing Engineering Tooling Other 9/19/200 4 16.885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY
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Recurring Cost Cost incurred per unit: Labor - fabrication - assembly - integration Material to manufacture -raw±ma ter ia - purchased outside production - purchased equipment Production support -QA - production tooling support - engineering support Labor Material Support 9/19/200 4 16.885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY
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