Facetmobile FMX-4 - It was built by Barnaby Wainfan, Rick Dean, and Lynne Wainfan to explore the characteristics and potential of this type of airplane. The configuration was developed using a combination of analytical methods, radio-controlled model testing and wind-tunnel testing. In all, 8 radio-controlled models were built and flown. Construction of N117WD took 2 1/2 years. First flight was April 22, 1993. Total flight time to date is approximately 130 hours.