Yeah, I know they're not RV's, but once you can tear yourself away from this display, Google "German Indoor Model Airplane Videos", and you'll be lost in videos the rest of the night....
http://airtoimedia.nl/web/upload/JurgenHeilig/DO2006-Duo.wmv
I can only ask "How...???!!!!"
http://airtoimedia.nl/web/upload/JurgenHeilig/DO2006-Duo.wmv
I can only ask "How...???!!!!"