Gadgetsuavs page 2uavs page 2May 20, 2003by Courtesy D-Star EngineeringMINI MOTOR D-Star Engineering built a thumb-size 0.1-hp engine. It didn't provide enough power for hovering, so D-Star made a 1.3-hp version (below). The 0.1-hp one is now a battery charger.Courtesy D-Star Engineering