I don’t usually turn to The Economist for aviation news, but the June 12 edition had a two-page article on the emergence of alternate-power aircraft. Examples included the ’round-the-world hopeful Solar Impulse and several electric-powered aircraft, including the Chinese Yuneec e430 which made its debut at EAA AirVenture last year. While allowing that the prospect of electric flight is exciting, the author nevertheless points out that the energy density of ‘petrol’ (remember, The Economist is British) is 25 times that of the lithium-ion batteries used in the most modern electric aircraft. But even with that, the article cites Randall Fishman’s two-seat Electra-Flyer-x project, with expected endurance of two hours and cruise speed of 128 kilometers per hour (sorry, that’s 80 statute miles per hour/approximately 68 knots). Yuneec company founder Tian Yu recently completed construction of his factory outside Shanghai, and expects his two-place e430 to fly as long as three hours (at a cost of $5 per hour) and sell for $89,000 — and yes, that’s ‘batteries included.’
Electric Aircraft Generating Public Interest
Key Takeaways:
- The article discusses the exciting emergence of alternate-power aircraft, particularly electric planes, despite the significant energy density disadvantage of current lithium-ion batteries compared to traditional fuel.
- Projects like Solar Impulse and various electric aircraft, including the Electra-Flyer-x and Chinese Yuneec e430, are showcasing advancements in this field.
- The Yuneec e430 is a notable example, offering an expected three hours of flight endurance for $5 per hour, an $89,000 purchase price (batteries included), and is produced from a newly built factory in China.
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