john davidson 1 Posted January 8, 2023 Share Posted January 8, 2023 Finished reading Martin Simons book on model aerodynamics, in the section on propellers, "The use of a propeller with fully reversible pitch, allowing so called 4D and perhaps 6DOF flying" . 6DOF is a term I have never encountered and intrigued to decipher, no clue in the book and no other mention. Anyone? Six degrees of flight? Six directions? A lot of the equations are beyond me , however some parts are within my grasp and very interesting including the vortexes from wings affecting tails. I already knew that the convention is for tailplanes to be negative incidence for stability. Mind you my scratch built efforts always have zero incidence for ease of building and fly perfectly well (usually). One disappointment is that flat plate wings are totally ignored apart from KF in one solitary graph which might be KDF as I know it and which I have used. Such a crude section must be beneath Martin! Quote Link to comment Share on other sites More sharing options...
RottenRow Posted January 8, 2023 Share Posted January 8, 2023 6 degrees of freedom.... basically all six possible movements that an object in free space could possibly make. Here is a link to the Wikipedia description... there is lots of other information on the interweb. Just google 6DOF. https://en.wikipedia.org/wiki/Six_degrees_of_freedom Brian. Quote Link to comment Share on other sites More sharing options...
john davidson 1 Posted January 8, 2023 Author Share Posted January 8, 2023 Thanks Brian , I was sort of close with Six Degrees Of Flight. Forum triumphs again! Quote Link to comment Share on other sites More sharing options...
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