ESDU - Engineering Sciences Data Unit
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ESDU International provide validated engineering design data, methods and associated software for the engineer. It provides validated engineering methods, data, principles, worked examples, programs, and related equations on over 1,200 specific aerospace, process, structural, and mechanical engineering topics., Engineering Sciences Data Unit. Includes ESDU ASTEROID a drag calculation tool that allows for validated surface tolerance drag calculations, and design data for specific aircraft is included.