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  • Users: Slice
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  1. Slice

    worm drive backlash quantification

    Hello all, GOAL: I am looking into using a worm drive to set the angular position of a turntable. The desired angular postion accuracy is about 0.1 degrees. BACKGROUND: The vertical shaft of the table can be as small as 0.5 inch diam (small components), the system will have a hand driven knob...
  2. Slice

    Underbody Venturi Data?

    Hello everyone, I have put considerable time into the research of underbody aerodynamics of high performance sports cars. I'm specifically interested in data for underbody channels/tunnels that that have a slight flow nozzle section and a diffuser. I have found enough info on diffuser...
  3. Slice

    Stability of passenger vehicles following tractor trailers

    waterguy, I've seen truck wakes mentioned in some simple automotive aerodynamics books. One of the key aspects of this problem is a periodic wake phonemenon. Vortices are shed off one side of the trailer, then the other but not at the same time. The frequency(period) must be directly related...
  4. Slice

    Canard-wing configuration?

    I'm contemplating the use of a canard wing configuration for a high-lift, low speed model aircraft with the prime motive of maximum payload capacity. I've heard two arguments about the canard wing configuration for this sort of purpose: 1. A canard config. will allow the canard wing to act as...

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