A tiny part failed, a race unravelled, and a dominant team learned a lesson that reshaped its season. We sit down with engineer and technical leader Ruaraidh McDonald-Walker to trace the arc from childhood curiosity to Mercedes’ hybrid breakthrough, then step into the heat of the 2014 Canadian Grand Prix where creeping temperatures and unseen constraints forced brutal clarity. What failed wasn’t the obvious component; it was an overlooked piece in the electronics. The fix demanded humility, predictive tools, and a culture strong enough to ignore blame and choose action.We unpack how Ruaraidh pivoted early to electrification, why nobody knew what a racing-grade electric motor should look like, and how Mercedes fused chassis and power unit thinking to create a single, coherent system. Ruaraidh takes us trackside to describe the reality behind the garage screens, the cadence of remote factory operations running on Australia time, and the difference between dyno confidence and race-day chaos. The Canada story becomes a leadership case study: avoid decision stasis, derate early when the data hints at a slow-burn failure, and keep an open mind when physics contradicts assumptions. From there, we zoom out to thermodynamics, energy efficiency, and why electrification isn’t fashion but physics.For future engineers, Ruaraidh shares practical advice: build things, question sources, volunteer at circuits, and treat creativity as a core engineering skill. Music, Lego, and pinball machines become tools for recovery in a high-pressure world; recovery, in turn, sustains performance. Along the way, you’ll hear how a blame-free culture enabled bold ideas like unconventional turbo layouts and how predictive models turned panic into process after Montreal.If you enjoyed the story, follow or subscribe so you don’t miss what’s next. Share the episode with a friend, and leave a quick five-star review to help more listeners find the show. Your support helps us bring you more candid conversations with people who build at the limit.Ruaraidh’s Socials:https://www.linkedin.com/in/ruaraidh-mcdonald-walker-1608a64/https://www.instagram.com/f1ruaraidh/?hl=enFormula Student Website - https://www.imeche.org/events/formula-studentFormula One 2014 Canadian Grand Prix Highlightsx - https://youtu.be/839YKsTnMns?si=IlB3pLBFWuUzvKZWDollar Academy Pipe Band  - https://www.youtube.com/watch?v=uc1gVYzFKB0Send us a textIf you enjoyed this episode, please give us a five-star rating and review, and tell a friend about the show. WANT TO BE A GUEST? You can submit your own career story through our website at noordinarymonday.com, email us at [email protected], or send a message on PodMatch, here: https://www.podmatch.com/hostdetailpreview/176029491486798797fb4df61

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