High-altitude wind energy from kites! - Saul Griffith

TL;DR

Kites, from ancient military use to modern clean energy generation on a grand scale.

Transcript

if you're at all like me this is what you do with this sunny summer weekends in San Francisco you build experimental kite powered hydrofoils capable of more than 30 knots and you realize that there is incredible power in the wind and they can do amazing things and one day a vessel not unlike this will probably break the world speed record but cards... Read More

Key Insights

• 😒 Kites have a long history of use in military applications and aviation experiments.
• ✋ They have resurfaced as a potential clean energy source, capable of generating significant power at higher altitudes.
• 🪁 The future of kites involves scaling up to megawatt machines for efficient clean energy generation.
• 🌱 Audacious plans and dreams of young innovators drive the evolution of kite technology.
• 🪁 Kites have the potential to revolutionize clean energy production on a grand scale.
• ✈️ The development of control systems for kites is crucial for sustained flight and electricity generation.
• 🪁 The comparison to historical manufacturing transformations highlights the transformative potential of kite technology.

Questions & Answers

Q: How did kites evolve from being used in ancient China for military applications to experimental aviation in the 19th century?

Kites were initially used in ancient China for military purposes and later were utilized in experiments by inventors like George Pocock, Langley, and the Wright brothers for aviation developments.

Q: What significant role did kites play in the energy crisis of the 1970s?

Miles Lloyd's groundbreaking idea of using kites to generate electricity was a pivotal moment during the energy crisis of the 1970s, highlighting the potential of kites as a clean energy source.

Q: How does the future of kites in clean energy generation look like?

The future of kites involves scaling up to megawatt machines that can fly at higher altitudes, generating significant amounts of clean electricity efficiently.

Q: What historical example is provided to illustrate the audacious potential of utilizing kites for clean energy on a large scale?

The comparison to a refrigerator factory transformed into a plane manufacturing site during World War II showcases the scale at which kites could potentially generate electricity in the future.

Summary & Key Takeaways

• Kites have a rich history, used in ancient China for military applications and later for aviation experiments by inventors like the Wright brothers and Alexander Graham Bell.

• In the 1970s, kites resurfaced as a potential source of clean energy, with the ability to generate more power at higher altitudes.

• The future of kites involves scaling up to megawatt machines that can generate clean electricity efficiently.