A very important part of my never-ending quest to construct a "practical" contra-prop gearbox depends heavily on the tubing I use to construct the prop shafts out of. Therefore, I need to know what type of SMALL diameter tubing is most resistant to bending. I started with brass tubing, but because my inner prop shaft was so small, it was basically brass wire. This bent very easliy, and led to the cancellation of that prototype. Today, in my infinite wisdom, I decided to try again, with larger diameter tubing (smart) made of aluminum (dumb). I found out rather quickly that this bends easier than the brass! ![Dead [xx(]](/FSM/CS/emoticons/icon_smile_dead.gif)
Back to the drawing board...
I'm tempted to try again with the thicker brass tubing, but before I go out and spend any more money, I just wonder if there is any material out there more resistant to bending than brass is. If anyone can offer any insight, it is greatly apprecaited.
When I say small diameter, I mean really, really small. I don't have exact numbers right now, but it's about a small a tube as you can get without filling the middle in and turning it into wire.
Thanks!