Bob Smith Industries 900x250 v2


graupner o.s. wankel 30

RC Airplane Engine Assembly Video

This disassembly and reassembly video from Academia Motor may just be the best thing you’ve watched yet in 2018 — really! Some internet sleuthing shows that the Graupner-O.S. Wankel .30ci powerplant was the world’s first model rotary piston engine. A collaboration between Graupner and Ogawa Model Mfg. Co. (O.S.), it used Felix Wankel’s design with […]
Graupner HoTT Telemetry Sensor GPS & Variometer

Graupner HoTT Telemetry Sensor GPS & Variometer

From Esprit Tech: Utilizing u-blox 8 GPS receiver technology and GPS/GLONASS satellites, the Graupner HoTT Alpha GPS/Vario Module is our next generation of faster and more accurate positioning services. Ideal for multirotor, airplanes, cars and boats, the GPS sensor provides real-time information on altitude, flight location, distance, speed display, travel direction display, coordinates, and more. […]
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