Lean Engineering Requires a Process Invention is 1% inspiration and 99%perspiration"-TA Edison Engineering processes often poorly Inspiration defined, loosely followed LAl Case Studies) Value Pure Added 40% of design effort“ pure waste”29% Waste “ necessary waste (LAl Workshop Survey) Necessary Waste 30% of design charged time setup and waiting” (Aero and Auto Industry Survey Product development is 1% inspiration, 30% perspiration, and 69% frustration"-HL McManus Deborah Nightingale, MIT@ 20024 Deborah Nightingale, MIT © 2002 Lean Engineering Requires a Process ƒ Engineering processes often poorly defined, loosely followed (LAI Case Studies) ƒ 40% of design effort “pure waste” 29% “necessary waste” (LAI Workshop Survey) ƒ 30% of design charged time “setup and waiting” (Aero and Auto Industry Survey ) Pure Waste Value Added Necessary Waste Inspiration ƒ “Invention is 1% inspiration and 99% perspiration” - TA Edison ƒ “Product development is 1% inspiration, 30% perspiration, and 69% frustration” - HL McManus