The RagWing RW9 Motor Bipe is a family of single seat, open-frame fuselage, open-cockpit, single engine ultralight aircraft designed by Roger Mann and sold as plans by RagWing Aircraft Designs for amateur construction.Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, page 233. BAI Communications. Downey, Julia: 1999 Plans Aircraft Directory, Kitplanes, Volume 16, Number 1, January 1999, page 66. Primedia Publications. ISSN 0891-1851
