Salmson-Moineau S.M.2: Rien ne va plus.

Not having enough with his already clumsy S.M.1 A3, René Moineau thought maybe more was better and decided to try the bimotor formula. Like in the S.M.1, this contraction had a water-cooled Salmson 9A radial engine in the middle of the fuselage connected to outboard propellers through shafts and gears but an additional Salmson 9A was added in the nose driving a conventional tractor propeller. The two engines were now cooled by enlarged radiators placed in both side at the middle of the fuselage. All that had a price: the weight rose and the upper wing span had to be increased; undercarriage needed strengthened too. All that just for starters: we are talking about a massive modification. Named the S.M.2, a single aircraft was built in 1918 as two-seat (instead of three) intended for the ground attack role. Tested with poor results: it was even less satisfactory than the original.

Ravissant échec.

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