The French firm of Hispano-Suiza was a manufacturer of aircraft engines, and it marketed the moteur-canon combination of its 12X and 12Y engines with a H.S.7 or H.S.9 cannon installed between the cylinder banks.
SHIWA developed workflow interoperability solutions for several workflow systems, namely ASKALON Fahringer, et al. 2005, MOTEUR Glatard, et al. 2008, Pegasus Deelman 2005, PGRADE Kacsuk, et al. 2003, Galaxy, GWES, Kepler, LONI Pipeline, Taverna, ProActive and Triana Majithia et al. 2004.
The gun chosen for the SPAD 12 was not the old Hotchkiss cannon but a new 37 mm Semi Automatique Moteur Canon (SAMC), built by Puteaux, for which 12 shots were carried.