We are pleased to welcome you on our website.

Radial engines based on long-time knowledge, with exceptional sound and power for new possibilities within the RC aircraft universe. On our homepage you will find more details about the history of Seidel radial engines, the takeover, the new Swiss company and technical details of the engines.


24.01.2022: Major damage due to SparkSwitchPro from PowerBoxSystems.
Following some damaged electronic boxes, the manufacturer has discovered a none compatibility of the SparkSwitchPro made by PowerBoxSystems. At switch on, a very short high current is required by the Radial engine electronic box, unfortunately the SparkSwitchPro can't handle this and fatal damage can occur on the Rainbow-Tronic device.
The manufacturer will not recognize engage warranty repair anymore if this damage is discovered on a defective ignition electronic box.

New company, new management and perpetuate knowhow!