An employee at a company that trains pilots was injured last week when he was struck by the propeller of a small aircraft as a student attempted to start its engine.

Small brushless motors and LiPo batteries ... you’ll probably want to know the efficiency of your motor and prop setup. That’s the idea behind [Michal]’s Automated RC Motor Efficiency ...

but we’re not sure if it has any real advantages over a quadcopter with ducted propellers. Servos are cheaper than motors and ESCs, so there might be a small cost saving. Drop your thoughts on ...

Jeff Lane: I'm Jeff Lane, and welcome to Lane Motor Museum. Narrator ... you probably have to make your own decision on that. So, propeller-powered cars are one of my favorite types of cars ...