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Determination of the static performance of a Cuyuna 430 cc. model UL-430RR engine

Roskam, Jan, 1930- author.
Lawrence, Kansas : Flight Research Laboratory, University of Kansas Center for Research, Inc. ; [Hampton, Va.] : National Aeronautics and Space Administration, Langley Research Center, October 1983. 1983-

Weight and balance for the Airmass Incorporated Sunburst Model C ultralight

Roskam, Jan, 1930- author.
Lawrence, Kansas : Flight Research Laboratory, University of Kansas Center for Research, Inc. ; [Hampton, Va.] : National Aeronautics and Space Administration, Langley Research Center, November 1983. 1983-