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  1. "I would like to find polars for a certain airfoil. Where can I get that info?"
    If you cannot find the experimental data, you can estimate the performance by running the XFOIL airfoil code which you can download from here: Other airfoil tools can be found here:
  2. "What is the Reynolds number? How do propellers work? Can you explain a drag polar? "
    A great resource: Aerodynamics of Model Aircraft by Martin Hepperle
  3. Low Reynolds number airfoil FAQ
  4. UIUC Airfoil Data Site FAQ
  5. Where can I get the LSATs books with airfoil wind tunnel data?
  6. Where is the UIUC Airfoil Data Site with all the airfoil coordinates?
  7. Where can I find the UIUC airfoil wind tunnel test data (UIUC LSATs data)?
  8. What airfoil is used on the [fill in the blank] airplane?
  9. "Are you taking new students?": No, not at this time.