RV-14 Is More Fuel Efficient Than Your Car - MojoGrip Built more sturdy while retaining its performance edge. Vans aircraft is no stranger to designing and building experimental airplanes. And their newest model is the RV-14. Comes both in tricycle landing gear and tail wheel. The RV-14 is more robust, fast and you can even flip upside down doing light aerobatics. This aircraft is built for the multipurpose pilot.