The risers have both low and high hangpoints to suit different motors, and we’ll let you into a little secret: the test team discovered the Blizzard is beautiful to fly without a motor, too. The alula, or bastard wing, is a small projection on the anterior edge of the wing of modern (and some ancient) birds. Tip-steering toggles mean the pilot can learn and perfect wingtip-control without using the brakes when cruising at speed. Trimmers out, bar on top speed is 54km/h and stability at top speed is excellent. The alula is a high-lift device located at the leading edge of bird wings that allows these animals to fly at large angles of attack and low speeds without wing stalling. For even more speed there is also a speed bar with 12cm of travel. The long trimmers have a 12cm range, and smooth brass roller-cams are kind to the webbing and ensure smooth and easy operation.
We chose a four-line layout for the Blizzard as this allow the reflex to be activated effectively by changing the trimmer settings. The risers are designed so the baby A’s split off high up and the pilot will naturally hold all A’s to launch. The wing inflates smoothly and cleanly and the solid leading edge is forgiving of an over-enthusiastic launch pull. The wing model with a revolving motion was installed at different angles of. The alula-VG was mounted on a rectangular wing model at two spanwise positions.
Alula wing generator#
In this study, the aerodynamic effect of an alula-like vortex generator (alula-VG) on a revolving wing was investigated using the PIV technique in a water tank.
However, alula feathers are definitely an aid to slow flight. An alula is a small structure of feathers that prevents birds from stalling. One of the unique devices is the leading-edge alula, located at the junction of the arm wing and the hand wing of most birds. We worked hard on ensuring the launch behaviour is very easy. Feathers on the alula or bastard wing are not generally considered to be flight feathers in the strict sense though they are asymmetrical, they lack the length and stiffness of most true flight feathers. Birds in nature have many unique devices to help them acquire excellent flight abilities under various complex flight conditions. It has a gentle reflex, and precise handling, so you’ll feel great while exploring your limits and progression will come naturally. The Blizzard is an easy, safe and comfortable wing for less experienced pilots who are rapidly building their skills. The Blizzard is a safe and fun Progression wing, aimed at pilots who have graduated from school and are ready to fly faster and explore further.
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