Mini Aircraft "Sparrow"

SIMPLE. FLYING. FUN. After developing the HeliEgg Mini and JetBuzz models, I was still captivated by the search for the most optimal shape for a small wind-up airplane. The goal was to create a simple model that could both fly and glide reasonably well. After a loooong….….and fun series of tests with various modifications, the optimal configuration was finally found. I'm excited to introduce to you: Sparrow!1 - ModelThis lightweight and playful micro aircraft features a 160 mm wingspan, measures 215 mm in length, and weighs just around 5 grams (without rubber motor). It flies nicely both indoors and outdoors (in calm weather). Despite its simple design, the model offers adjustable control surfaces — including flaps, elevator, rudder, and ailerons. You can also fine-tune the center of gravity by shifting the wing position, allowing for various flight behaviors and customization.2 - Model PrintThe model was tested exclusively using Bambu Lab PLA Basic filament. During test flights, n