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Dean Sigler

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Dean Sigler was a technical writer professionally for 34 years, with a liberal arts background and a Master's degree in education. He writes the Sustainable Aviation and CAFE Foundation blogs. He has presented at several symposia and at several Experimental Soaring Association workshops. Part of the Perlan Project, he is a private pilot with a great love for low and slow aircraft.

Alternative Energies

While researchers seek electric flight’s Holy Grail—a 10X battery—aviation’s innovators are busy determining ways to use less fuel with the technology available now. By Dean Sigler.

Alternative Energies

One plane, one pilot, 5 tons of garbage: How Jeremy Rowsell plans to crisscross the globe in a Cessna 172 powered by fuel made from recycled plastic. By Dean Sigler.

Alternative Energies

They may be largely unknown today, but two French brothers were among those exploring battery-powered flight in the 1880s. By Dean Sigler.

Alternative Energies

Experimental Soaring Workshop: This annual gathering of designers and builders of sailplanes, hang gliders and paragliders is an idea festival, and a must-attend event for enthusiasts. By Dean Sigler.

Eric Raymond Seeks Tour of the Americas on Solar Power

Eric Raymond flew across the U.S. in Sunseeker I on solar power in 21 hops in 1990.  He crossed the Alps between Germany and...

Alternative Energies

A new electric ultralight motorglider expands the boundaries of its category—and its plans can be downloaded free. By Dean Sigler.

Alternative Energies

Chip Yates is a man with a plan—to follow Lindbergh’s historic transatlantic flight in an all-electric plane. The flight’s planned for 2014; in the meantime, there are battery challenges to solve. By Dean Sigler.

Alternative Energies

Three new aircraft, Synergy, Pipistrel Panthera and Volta Volare, are pushing the innovation envelope with their propulsion systems, performance and fuel economy. By Dean Sigler.

Alternative Energies

Graphene “paper,” drag-racing electric motorcycles and hybrid aircraft were hot topics at the Electric Aircraft Symposium in Santa Rosa, California, and illustrated the progress being made in alternative energy sources. By Dean Sigler.

Alternative Energies

Electric vehicles and aircraft may be the future, but how will we create the energy to power them while minimizing environmental damage? By Dean Sigler.

In Case You Missed it

Ask the DAR

Is an aircraft’s empty weight required on the data plate? Does the gross weight change when an LSA is converted from conventional landing gear to floats? Should engine maintenance be entered in the builder’s logbook? Does the Minimax still qualify as an ultralight?

Home Shop Machinist

Countersinks.

Take Your Time Taking Delivery

There are identifiable times when flying becomes more dangerous. One that plays out in...

Vinyl Graphics

Colorful alternatives to the plain plane.