Tag: EAA AirVenture
![[Credit: EAA]](https://www.kitplanes.com/wp-content/uploads/2026/06/vintage-in-review-herb-clark.jpg?w=324&h=160&crop=1 "Vintage in Review Returns to Oshkosh: Five Days, Five Stories, and a Living OX-5")
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Van’s RV-9: New Rotax Power
Lockwood Aero’s Rotax 916iS firewall-forward package pushes the RV-9 to 190 knots.
Return of the Turbo-Compound
Everything old is new again. Paul Lamar looks at the turbo-compound engine, developed in the post-WW-II era. Thrown over for jet engines, it may yet hold promise today as we search for more energy efficient ways to get the most out of increasingly expensive fuel.