Help Us Welcome Jeff Greason!

Jeff Greason is a commercial space innovator with over 25 years of experience in all aspects of the commercial space transportation industry. He is chief technologist of Electric Sky, where he has invented technologies for the transmission of wireless power to aircraft and spacecraft and its use for propulsion and other purposes. Through work with the Tau Zero Foundation and Interstellar Research Group, he has developed a number of technologies for advanced space propulsion applicable to interstellar flight and solar system exploration.

Jeff was a founder of XCOR Aerospace and served as its CEO from 1999 to early 2015. There, he led the development of many different reusable rocket engines and two rocket-powered piloted aircraft, demonstrating $900/flight operating cost and an operational tempo of seven flights in one day, with 66 total flights. Prior to XCOR, he was the team lead at Rotary Rocket for engine development, and an engineering manager in computer processor development and semiconductor technology at Intel.

Jeff has been active in the U.S. regulatory regime for commercial space, through work with FAA/AST. He helped shape the Commercial Space Launch Amendments Act of 2004 and the Commercial Space Launch Competitiveness Act of 2015. He co-founded the Commercial Spaceflight Federation and served as a director for many years. Jeff was a member of the Review of United States Human Space Flight Plans Committee (Augustine Committee) in 2009. He has given a number of speeches on strategies for expanding human presence out in to the Solar System and beyond.

Jeff is an Associate Fellow of American Institute of Aeronautics and Astronautics (AIAA), a Governor of the National Space Society and a recipient of an Intel Achievement Award, the company’s highest recognition. He was named a Time magazine Inventor of the Year in 2002 and holds 30 U.S. patents.

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[djackson]

How about an update on the Plasma Sail video's? Could a vessel be made today that could serve as a test platform? It would be interesting to see something like that as the payload aboard any of the new rockets currently being developed, even the Chinese versions. They might donate a launch for that vessel because of its potential usefulness for deep space flight, hint. What I would like to see is an AI pilot which could sail said vessel back and forth within the solar system to Mars, to Jupiter and back; to Saturn, to Uranus, to Neptune then back into the inner solar system; to Pluto, out to the Kuiper belt, then even further out to the Oort Cloud and back into the inner solar system. Measurement instruments collecting data and even sampling the environment, cameras and telescopes snapping photos, all requiring no propellant for the out bound mission and if the plasma sail can be made to work as expected then little to no propellant used for the inbound missions. That would be hugely inspiring for children and young adults just starting their careers, and older guys like myself who has dreamed of space since the first Apollo launch.

[djackson]

See Isaac Arthur's "Mass Drivers vs Rockets" wouldn't a mass driver be a potential solution to the fuel / propellant problem of ultra fast point to point passenger flight?

[djackson]

Instead of making an extended bubble around a vessel, star trek warp field style, how about making a skin of various thickness around the vessel, say by the creation of bubbles the size of the Compton radius and of a single layer at one end of the vessel and multiple layers at the other end of it to create the pinch effect? Could such a system work at generating a warp field? And could the energy requirements be greatly reduced?