ORIGINAL: da Rock
When do you figure that trimmable tail will be flying. Am interested in hearing your results.
In the meantime think about what was said above.
If your trimmable tail does bring the fuselage up to fly level, what do you think is going to happen to the wings that are rigidly attached to that fuselage? Let's say those ClarkY wings were at 2degrees AOA to carry the load. The load isn't changing. But now an outside force is going to bring the fuselage level and that's going to crank the nose of those wings down however much the fuselage was dragging along at. And if say for example the fuselage was hanging 5 degrees down, those wings are now going to be pitched 5 degrees negative. That's around the zero lift angle for a ClarkY. What's going to carry the load now?
It shouldn't be too long. The fuse and tail group are completed, and I'm about to begin on the wing assemblies. This is not the first one of these that I have built (obviously), but it is the first one with the adjustable incidence. Look in Vintage and Antique forum WACO YMF thread, to see photos of the unit. The full scale airplane has adjustable incidence, so why would it not be a viable addition to the model? Also I don't use any jury rigging on the engine thrust any more. The full scale does not use them either. You have to watch application of power, and learn to better utilize the rudder.
Bill, AMA 4720
WACO Brotherhood #1