Category: Dumas 30″ Piper J-4 conversion

Converting the 30″ Rubber Powered Dumas Piper J-4 to Electric RC…Some Extra Details and a Flight Report

  I’m going to begin this flight report by catching up on some of the last-minute details I don’t want to miss telling you about, as well as by sharing a story about this airplane that might at first seem to be more about not flying a new model than getting the results of your […]

Converting the 30″ rubber powered Dumas Piper J-4 to electric RC. (Part 4)

Before we actually get around to putting some covering on this model airplane, we need to talk about the process and materials I’m using…stuff many of you reading this may only have heard of, but never seen. So…I’m going to put on my old teacher’s hat and give you “An Easy History of Tissue Covering”. […]

Converting the 30″ rubber powered Dumas Piper J-4 to electric RC. (Part 3)

During our last session in the shop I finished building the basic structural components…wing panels, fuselage and tail surfaces…of the Dumas Piper J-4. This time we are going to fill in all those remaining details like mounting the motor, ESC , receiver and servos, hinging control surfaces, adding control connections and so on. When that’s […]

Converting the 30″ rubber powered Dumas Piper J-4 to electric RC. (Part 2)

Last time I finished up with just enough work done on the fuselage to permit me to show you a trial mounting of one wing panel on the modified cabin assembly and the new 1/16″ plywood wing carry-through spar I designed  for this conversion project. This time around I’m going to add the definitive “Piper […]

Converting the 30″ rubber powered Dumas Piper J-4 to electric RC. (Part 1)

                         Last time I finished up with the construction of the TF 100″ span Stinson SR-9 and explained that I’ll be waiting for happier weather  before you get to see flight photos. Right now it’s time for something a lot smaller, but no less interesting. If you are familiar with my work you already know how […]