Presented in this section are micro R/C models developed by Ralph over a period of years. The technology is always changing and the photos below represent a evolution of how the world of micro R/C models has changed over the  years. An excellent resource for staying abreast of the world of R/C micro flight is an on-line publication that presents material from the leaders in the field. For your reference subscription information is provided here External link opens in new tab or windowRC MICRO WORLD ONLINE SUBSCRIPTION.