A collaboration between Stream and Philip Kolb, the Phoenix DF "Dual Flap" is an industry first offering the split flap system for for effective full span wing camber changing.
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Phoenix Dual Flap
Advantages of split flaps- With traditional "big flap" designs, the break from large surfaces is very deep in the section, which can contribute negatively in some instances. But having a split surface, it gives the aircraft the same benefits of a traditional "big flap" design, without the negative of a abrupt deep brake in the section. This gives improved L/D and lower speeds in the critical phase of flight "flying low level and in weak and tight thermals". It also allows the use of a thinner airfoil for better legs, and delays the use of ballast. Our partners at Servorahmen GmbH designed and manufacture all the linkage for the split surfaces in the wing. This is a very simple and robust system, that does not require additional servos or build time.
The Phoenix DF is a compact design, with a four part wing, and two part fuse for easy transportation to and from F5J events. Also available is a wing and tail cover set.
Mike Smith recently won the U.S. F5J 2022 Team selections flying the Phoenix Dual Flap in all the heats.
Give us a call or e-mail us with any ordering or technical questions, we'll be happy to help you make the right equipment choices.
Recommended Motor: NeuMotor 1102/3.5Y/5.8 (P22)
Recommended ESC: CC Phoenix EDGE Lite 50 Brushless Speed Controller
Recommended Battery: Dinogy Battery 850mAh 3S 80C Lipo
Recommended Spinner: GM 30/6mm Spinner
Recommended prop: GM 15x8 Prop.