Ultra Durable Plastic Propeller Blades With Rubber Band Hooks For Helicopter Kits 5 Inch Fold Resistant For STEM Projects And DIY Science RC Powered Airplanes Orange Pack Of 20

5 Inch Plastic Propeller Blades with Rubber Hooks Pack 20
✔️ 130mm/5in diameter propeller, 18.5mm wide, 32.5mm tall, orange, pack 20

These 5 inch plastic propellers are built for propeller remote control airplanes and rubber band powered models. They’re ideal for STEM kits, classroom experiments, DIY science projects, and lightweight RC aircraft parts. Pack includes 20 propellers and 20 rubber bands for quick setup.

✅ Diameter: 130mm / 5in
✅ Width: 18.5mm / 0.73in
✅ Height: 32.5mm / 1.28in
✅ Tail connector: 6x4mm / 0.24x0.16in
✅ Color: Orange
✅ Material: ABS plastic for light weight and durability
✅ Hook: Iron reinforced for stability at high speed
✅ Rubber bands: elastic for consistent power

💡 What is a handy propeller blade set used for in STEM projects?

It's a practical tool for hands-on learning about propulsion and rotor dynamics.

- propulsion basics, rotor dynamics, wind energy tests - classroom demos, DIY RC experiments, STEM project kits - thrust, torque, balance, and stability studies for small models ✝️