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Best Place To BuildProf. Satya Chakravarthy| "Takes off like a drone, flies like a plane"| Ep. 7 | IIT Madras
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At a glance
WHAT IT’S REALLY ABOUT
IIT Madras professor on deep tech startups in aerospace, mobility
- Chakravarthy argues students should “follow your heart” because today’s opportunities exist across fields, not just computer science, and the internet has leveled global awareness and ambition.
- The ePlane Company is developing an electric VTOL that takes off like a drone and flies like a plane, optimized for short intra-/peri-city routes, targeting early commercial operations around late 2026.
- He explains core eVTOL constraints—battery energy density and power delivery during vertical takeoff/landing—and the engineering levers that still meaningfully improve range and economics.
- He frames India’s aerospace evolution as four waves—government R&D, MNC R&D, manufacturing, and now startups—enabled by talent depth, affordability-driven innovation, and a maturing VC ecosystem.
- He highlights IIT Madras’ “culture of building” and large test infrastructure at the Thaiyur (Discovery) campus, including rocket test facilities and a 400m+ Hyperloop vacuum tube that can attract global teams.
IDEAS WORTH REMEMBERING
5 ideasPick the field you care about; the market is broader than you think.
Chakravarthy’s core heuristic is “follow your heart,” arguing that unlike earlier decades, viable high-impact opportunities now exist in many domains (including aerospace) due to globalized knowledge and growing Indian ecosystems.
eVTOLs win first on short-range, high-friction commutes—not intercity routes.
He positions eVTOLs as best for ~30–60 km trips (e.g., city-to-airport, intra-city hops) because today’s battery-electric aircraft typically top out around ~200–250 km practical range.
Battery limits are real, but aerodynamic/structural engineering still buys range.
Instead of waiting for a battery breakthrough, ePlane focuses on aerodynamics, lightweighting, and motor improvements; he cites current ~250 Wh/kg packs and notes fuel is ~15,000 Wh/kg equivalent, underscoring why optimization matters.
Vertical takeoff is a power problem as much as an energy problem.
He distinguishes power (rate of energy use) from energy (total), explaining VTOL phases demand high instantaneous power and add aerodynamic “draggy contraptions,” raising the engineering bar versus conventional takeoff aircraft.
In aviation, certification is a core product feature, not a paperwork afterthought.
He emphasizes that civilian aviation is regulated down to minor components for safety reasons, and that a meaningful share of effort is navigating compliance to achieve airline-grade reliability.
WORDS WORTH SAVING
5 quotesIn my view, the universal principle is follow your heart.
— Satya Chakravarthy
It takes off and lands like a drone… but flies forward like a plane.
— Satya Chakravarthy
There are hundreds of eVTOL companies at the PowerPoint level.
— Satya Chakravarthy
With GalaxEye, we have run out of excuses for not imaging the world 24 by 7.
— Satya Chakravarthy
You need to be impatient to break the barrier… but once you set yourself up… you’ve got to be patient to do it.
— Satya Chakravarthy
High quality AI-generated summary created from speaker-labeled transcript.
