The Lidl glider, very popular for its low price and huge wingspan, sold as a free flight glider for kids, it's perfect to convert it into an rc glider since there's a lot of space in the fuselage to ...

Build and test your own F-8 Crusader RC jet! See a side-by-side comparison of ducted fan and pusher prop setups to find out which gives better flight performance and speed. #RCJet #F8Crusader ...

Quadcopters tend to have very poor efficency because of their high disk loading. High disk loading– that is, how much weight ...