Today, Elisabeth Dounon sent me the aluminium profiles machined by the apprentices of the CFAI of Châlon-sur-Saône. Thank you to the young, to their Professor Vincent Daka, and to Elisabeth Dounon! (Read more) These parts that support the solar panels allow the two side panels to slide so as to reduce the width of the trailer. I wanted to have the possibility to reduce the width of the trailer mainly for safety reasons, especially for the crossing of the big cities. The idea came to me when I saw the solar bike of the Cazaspe (SunTrip 2015) But my realization is less sophisticated.