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Dean Sigler

Dean Sigler
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Dean Sigler has been a technical writer for30 years, with a liberal arts background and a Master's degree in education. He writes the CAFE Foundation blog andhas spoken at the last two Electric Aircraft Symposia and at two Experimental Soaring Association workshops. Part of the Perlan Project, he is a private pilot, and hopes to get a sailplane rating soon.

Electric Triplanes, Personal Sky Taxis, and Urban Mobility beyond Belief

The Third Annual Sustainable Aviation Symposium again promises to be the premier gateway to innovation, mind-expanding discussions, and a glimpse into the future that...

Prandtl Wing, Goldschmied Fuselage

Attendees at the 2017 Sustainable Aviation Symposium (held in San Francisco, California) could be forgiven their startle reactions when they confronted a science-fiction like...

CAFE Electric Aircraft Symposium, Part Three

The last six speakers closed out the afternoon session with aircraft, regulations, and ways to manage all the new traffic. Mark Moore, NASA, Silicon Valley...

CAFE Foundation Electric Aircraft Symposium, Part Two

John Langford: Aurora Flight Sciences and the Lightning Strike Dr. Langford opened the second day with background on strides his firm has made in creating...

Convergence at CAFE’s Electric Aircraft Symposium

The 10 Annual CAFE Electric Aircraft Symposium, held at the Marriot San Francisco Airport on May 19 and 20, visited topics of electric propulsion,...

Pioneers and New Directions

At the Sustainable Aviation Syposium, several speakers presented talks on controlling the coming wave of unmanned aerial systems traffic management (UTM). Part 3 of our coverage.

Motors, Batteries, Solar Cells and Hydrogen – Power for Future Flight

While we're still waiting for the battery breakthroughs that will let us fly infinite distances without recharging, several motors await energizing from whatever source is available. Speakers at the First Sustainable Aviation Symposium included solar energy, new battery chemistries, fuel cells and hydrogen, or even the regenerative power of the air itself in their presentations.

Sustainable Aviation Symposium

The First Sustainable Aviation Symposium was held May 6 and 7 at the Sofitel Hotel in San Carlos, California - just around the corner...

Alternative Energies

Making those final connections. By Dean Sigler.

Alternative Energies

Motor controllers—making DC into AC. By Dean Sigler.

In Case You Missed it

Garmin’s New Budget Navigators

Just when we thought the stand-alone GPS navigator was dead, Garmin introduces two new ones aimed at lower budgets.

Ask the DAR

DAR Mel Asberry continues his discussion of aircraft operating limitations by looking at why we do what we do during those important Phase I tests.

Home Shop Machinist

Cure for the common threadache.

Ask the DAR

RV-7A converted to RV-7, importing a Canadian ultralight to the U.S. and registering as an LSA.