Bamboo Dragonfly
★Exhibit Content: Bamboo dragonfly, demonstration of helicopter rotor lift principle ★Interaction: Manual mechanical interaction ★Operation: Turn the handwheel clockwise, apply force evenly; after reaching a certain speed, reduce or stop turning the handwheel, and observe the bamboo dragonfly taking off and rising inside the cylinder. ★Exhibit Description: The exhibit consists of a circular display platform, an integrated metal handwheel, a synchronous transmission mechanism, a stainless steel fixed rod, a carbon fiber bamboo dragonfly, and a high-transparency acrylic protective cover. It is a recommended exhibit from the KexMall exhibit mall. Visitors turn the side handwheel, which drives the bamboo dragonfly blades to rotate at high speed through the internal transmission mechanism. The takeoff process of the bamboo dragonfly can be visually observed inside the transparent cylinder, allowing visitors to understand the knowledge of air force and lift, showcasing an ancient Chinese flight invention, and understanding the basic principle of modern helicopter rotors. ★Scientific Principle: The bamboo dragonfly blades have an inclined angle. When the blades rotate, they continuously push air downward. According to Newton's third law, the air exerts an upward reaction force on the blades, which is lift; when the lift is greater than the bamboo dragonfly's own weight, the bamboo dragonfly flies upward. Modern helicopter propellers follow the mechanical principle of the bamboo dragonfly, relying on high-speed rotating blades to obtain lift and achieve takeoff and flight.
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- Φ1.2*2.0m Φ1.2*2.0mDimensions (unit: m): Φ1.2*2.0m Brand: KexMall Model: PopsciCat-space-024 1. Materials: ①Display platform: frame 30 square tube, enclosure 2.0mm cold-rolled sheet, surface baked paint ②Tabletop: Kelesi artificial stone, thickness ≥12mm, with flame-retardant board underneath ③Instruction sign: 5mm thick acrylic UV printing ④Maintenance door: 2.0mm cold-rolled sheet with surface baked paint ⑤Protective cover: colored + high-transparency acrylic material ⑥Fixed rod: stainless steel tube 2. Main configuration: ①Transmission: synchronous transmission mechanism + fixed bracket ②Bamboo dragonfly: custom carbon fiber ③Handwheel: acrylic + 304 stainless steel 3. Installation requirements: ①Energy requirement: none ②Installation base: place directly ③Entry passage: door frame size (width × height) ≥1.3m×2.0m, continuous turning interval in passage ≥4m ④Maintenance access: none
★Exhibit Content: Bamboo dragonfly, demonstration of helicopter rotor lift principle ★Interaction: Manual mechanical interaction ★Operation: Turn the handwheel clockwise, apply force evenly; after reaching a certain speed, reduce or stop turning the handwheel, and observe the bamboo dragonfly taking off and rising inside the cylinder. ★Exhibit Description: The exhibit consists of a circular display platform, an integrated metal handwheel, a synchronous transmission mechanism, a stainless steel fixed rod, a carbon fiber bamboo dragonfly, and a high-transparency acrylic protective cover. It is a recommended exhibit from the KexMall exhibit mall. Visitors turn the side handwheel, which drives the bamboo dragonfly blades to rotate at high speed through the internal transmission mechanism. The takeoff process of the bamboo dragonfly can be visually observed inside the transparent cylinder, allowing visitors to understand the knowledge of air force and lift, showcasing an ancient Chinese flight invention, and understanding the basic principle of modern helicopter rotors. ★Scientific Principle: The bamboo dragonfly blades have an inclined angle. When the blades rotate, they continuously push air downward. According to Newton's third law, the air exerts an upward reaction force on the blades, which is lift; when the lift is greater than the bamboo dragonfly's own weight, the bamboo dragonfly flies upward. Modern helicopter propellers follow the mechanical principle of the bamboo dragonfly, relying on high-speed rotating blades to obtain lift and achieve takeoff and flight.
Review
Principle Display: ★★★★ Interaction Effect: ★★★★ Ease of Installation: ★★★★★ Durability: ★★★★ Overall Rating: ★★★★★