8BeC (HS-38)
The 8Be fitted with the 37 mm (1.457 in) SAMC Model 37 cannon, or a similar weapon, firing through the propeller boss. A reduction gear equipped power-plant with a resultant clockwise rotation propeller like the 8B, produced 160 kW (220 hp) at 2,100 rpm. Two known weapons fitted were the SAMC with a rifled barrel and a smooth-bore cannon firing canister ammunition. The moteur-canon could fire a single shot at a time through the hollow drive shaft without propeller interference. This cannon mount required an "elevated" intake manifold design, bringing the intake "runners" straight off the inner surfaces of the cylinder banks to the updraft carburetor's plenum chamber. The engine was used on the SPAD S.XII.[5]
Note: The designations 8C, 8Ca, and 8Cb are probably contractions of the real STAe designation which would be similar to 8BeC or 8BeCa. Cannon-equipped 160 kW (220 hp) 8s were given the company designation HS-38
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