Trying To Out Do Myself

There was a post on the Free Flight forum where someone provided a video of a Guillow's Model that flew for over 30 seconds and he asked " How can I make a plane that flys like that?" I've built five Guillow's small WWII fighter planes. I got started with the Guillow's planes because that's all the local Hobby Lobby carried. I learned from another post the building technique of cutting the heavy Guillow's wood down to save weight. Actually, that's the only way these planes have a chance of flying. With my second to last build I used that method which produced an airplane that flew pretty well. I'm going to try again to build the ultimate 500 Series scale fighter plane. The only things from the kit I'll end up using are the plans, cowl and the canopy. For the rest I'll build with the lightest wood available which I'll get from Easy Built Models and as thin as will be strong enough, which will for the most part be a guess. I've modified the plan some in order to make it as light as possible without drastically changing the form of the Hellcat. The stabilizer is going to be around 20% larger and the structure of the plane will be more sparse. I want to break the 30 second mark. I still haven't used a winder with a long loop(s) of rubber but I do have a winder and I want to learn how. That is something else I wanted to mention - I'm learning.

Kevin