icon05:00 RC-Videos Delro Raven Variable Pitch Prop Markus Rummer aka ”Dr. Low” RCScaleAirplanes Horst Zeller5 Jahren ago 1 Jahr ago Markus Rummer, aka ”Dr.Low” performs a great show at the Airshow of MCW-Wehringen 2018 Model Data: Delro Raven Span. 3.1... 028.8K