Photos: Team Oracle’s Challenger III Gears Up for Oshkosh

Click for more photosNext week at EAA AirVenture in Oshkosh, Sean Tucker and Team Oracle will wow the crowds and show off their brand-new Challenger III. Team Oracle’s Brian Norris shared some of the biplane’s unique aerodynamic features with AVweb‘s Mary Grady, who brought home a few photos. Click through for the photos and click here to listen to the podcast.

Next week at EAA AirVenture in Oshkosh, Sean Tucker and Team Oracle will wow the crowds and show off their brand-new Challenger III. Team Oracle's Brian Norris shared some of the biplane's unique aerodynamic features with AVweb's Mary Grady, who brought home a few photos.

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photo by Victoria Arocho
Brian Norris, operations co‑ordinator for Team Oracle, has been working with Sean D. Tucker for 20 years.

The big Hartzell propeller creates a propwash that affects the inner ailerons, so they remain effective even when the airflow over the wing is next to nothing.
The unusual two-part ailerons allow the inner part of the aileron to fly at a different angle of attack from the outer part.

The small surfaces known as "spades," attached beneath the lower wings, act as an aerodynamic counter-force, keeping control inputs light.
The newly designed "3-D" carbon-fiber tail was inspired by remote-control aircraft and allows Tucker to make large deflections for low-speed maneuvers.
photo by Victoria Arocho
The Challenger III biplane is all-new, but Team Oracle is hanging on to one piece of equipment from their previous rig - pilot Sean Tucker.