Thrust Vector Control – SpaceX and Universality

“Engine failure modes are minimized by eliminating separate subsystems where appropriate. For example, the first-stage thrust vector control system pulls from the high-pressure rocket-grade kerosene system, rather than using a separate hydraulic fluid and pressurization system. Using fuel as the hydraulic fluid eliminates potential failures associated with a separate hydraulic system and with the depletion…

Model Y Tesla – Taking Out

“The wiring harness on Model S is about 3 kilometers in length. The wire harness on Model 3 is 1.5 kilometers in length. The wiring harness on Model Y will be 100 meters. And that’s a redundant wiring harness.” Elon Musk, Q1 2017 earnings call While Tesla is still struggling to ramp up production of…

No Sponge Left Behind – Prior Action

“Each year in the U.S. there are over 1,500 incidents of surgical sponges being left inside patients after surgery resulting in deterioration of the health of the patients or even their deaths.” Zinovy Royzen In his article “Solving a Hundred Year Old Problem“, Zinovy Royzen outlines efforts that have been made to ensure that surgical…