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Jeffx

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Everything posted by Jeffx

  1. !!! Fast, worthwhile, and relatively easy as it turns out. & all done indoors! The tricky bit was building the jig to rotate the wing. The jig used a 1" dowel as an axle, one end inserted into a wooden block and mounted vertically through a box on an old dressing table stool, The wing middle was to be screwed to the block. The rectangular wing was then constructed from foamboard. 33" span with 6" depth as base of the wing, then a middle layer 4.5" glued on, then a top layer of 3" to finish off. As the wing was rotating around the middle like helicopter blades the
  2. Spinning wheel, now theres an excellent idea, only transition being speed up and slow down. Even better should be able to manage that indoors in the warmth and light. Hole in a table , dowel rod, top support, wings attached facing opposite ways, thats going to be fairly quick to knock up. On an american forum about foamboard self build they suggested using the digital settings on a transmitter to check the before and after level flight trim for overall change, and then doing one side only for checking additional lift. Though that requires first learning to fly an rc exactly
  3. Thanks, we know its not an innovation, except the information out there involves using wind tunnels or full size aircraft. We wondering if anyone had tried on model aircraft more within our budget. Some small models do have wing tip extensions but we're expecting those are more for style than effect. I guess its down to the local hobby shop for some foamboard and dowel to start experimenting what size wing and speed combination we need to be looking at if its not been done before at this level. It maybe the best way to go anyway as messing with wing tips on full rc foam/balsa models coul
  4. Hi, we are doing a project looking at wing shapes and their vortex. Thinking of gluing threads along wings to see where they tangle and how much depending on the shape. Was wondering if you'd heard anyone tried this before as dont really want to be spending hundreds of pounds on models and find the scale is too small to show sensible results. What is the typical airspeed of, say, a 600mm and a 1m wingspan beginners electric rc plane? If not too fast its maybe something we could do with just the wings and bodywork towed along offroad Thanks if you reply
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