RV-14 Is More Fuel Efficient Than Your Car - MojoGrip Watch in HD on YouTube! Share on Facebook! 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.