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UpdatesUIUC APA Updates

New: Personal Website and Newsletter

The FS One RC Flight Simulator software is now free and downloadable from (link opens in a new tab). Details of the real-time flight simulation and modeling methods are discussed in this 2014 journal paper: PDF.

PROFOIL for airfoil design is now available on the PROFOIL GitHub page (link opens in a new tab). This is the airfoil design software that has been used to design all of the Selig/etal-series airfoils since the early 90's. Before that point, the Eppler code was used.

David Lednicer's The Incomplete Guide to Airfoil Usage page was updated with approximately 125 additional aircraft. The complete list now includes nearly 6800 aircraft entries.

Added new UIUC propeller data Volume 4 - Includes experimental data for 17 APC Thin Electric 2-bladed, fixed propellers with diameters of 12 to 21 in with various pitch values. Download the paper: PDF

See our FAQ for a list of common questions.

For questions, please contact Prof. Michael Selig, Emeritus.

UIUC Low Speed Airfoil TestsUIUC LSATs

Information on the UIUC Low Speed Airfoil Tests (UIUC LSATs) for model aircraft, unmanned aerial vehicles, small wind turbines, and more. Summary of Low-Speed Airfoil Data - Volumes 1,2, 3, 4, and 5 are available. Volume 4 [PDF] was published as a NREL report that includes many wind turbine airfoils at low Reynolds numbers. UIUC LSATs airfoil data from Volumes 1-4, and 6 are here.

UIUC Airfoil Data SiteUIUC Airfoil Data Site

The UIUC Airfoil Data Site includes airfoil coordinates for approximately 1,600 airfoils. Also useful is The Incomplete Guide to Airfoil Usage compiled and maintained by Dave Lednicer. The guide includes a listing of what airfoils have been used on approximately 6,400 aircraft.


A general description of our research covering our main areas of interests.