Avatar is one of my all-time favorite movies. What really had me hooked as a modeler was its take on future helicopter design. With that said, I was excited to read Uwe Granda's report on the RC twin tilt-rotor design by Ralph Kayser. If ever there was a future product that was meant to be mass produced, Ralph's scale-like take on the duo-copter design is it! Thanks for inspiring me to try developing my own version.
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