Modifications made to C2 for the Brussels-Léopoldville raid

It is in 1927 in one of the Feyens workshops specialized in the construction of industrial and marine engines that the ACAZ C2 was modified for the raid of March 1928. This workshop was located street of Cambre at Woluwe (BAMM 62). Emile Feyens then commissaire of the Zacco company knew well the Commander Thieffry (the initiator of the raid) since they exerted together the same sports activities at the time of their primary studies at the Institute St Stanislas.  

The principal modifications made to C2 were: