In 1933 the Hotchkiss company under its own initiative presented a plan to produce a lighter design—this was made possible by the application of the new technology to produce cast steel sections to construct an entire hull.
I 1933 opstillede Hotchkiss fabrikken på eget initiativ en plan om at lave en lettere model, hvilket var gjort muligt gennem anvendelse af ny teknologi til at fremstille støbte stålsektioner og dermed skabe et samlet skrog.