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Design of a Low Variability Model Launcher for Teaching Principles of Flight to Students

机译：针对学生飞行原理的低变异性模型发射器的设计

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This paper describes the design and fabrication of a launcher system for effective demonstration of principles of flight using glider. Two easily re-configurable gliders were fabricated from polystyrene and Styrofoam~(TM). A portable cross-bow type launcher box was also designed and fabricated, which also serves as a box to store the disassembled components of the two gliders. Repeatability experiments were carried out to quantify the performance of the launcher, in terms of variability in the flight trajectory in different launches. The trajectories of the glider for various wing incidence angles, wing locations, launch angles and launch velocities were experimentally tracked and visualized. The repeatability experiments confirmed that the launcher achieves flight trajectories with much lower variability compared to those obtained by hand-launching. The tracked trajectories also indicated that the glider and launcher combination can be utilized to effectively explain the effect of various aircraft configuration settings on the resulting flight trajectories.
机译：本文介绍了用于有效演示使用滑翔机飞行原理的发射器系统的设计和制造。由聚苯乙烯和StyrofoamTM制造了两个易于重新配置的滑翔机。还设计并制造了便携式横弓型发射箱，该发射箱还可以用作存储两个滑翔机的拆卸部件的盒子。根据不同发射中飞行轨迹的可变性，进行了重复性实验以量化发射器的性能。实验中跟踪并可视化了滑翔机针对各种机翼入射角，机翼位置，发射角和发射速度的轨迹。可重复性实验证实，与手动发射相比，发射器可实现可变性低得多的飞行轨迹。跟踪的轨迹还表明，滑翔机和发射器的组合可用于有效地解释各种飞机配置设置对所得飞行轨迹的影响。

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