Updated: 16-Aug-2018
This company built engines under license from Wright Whirlwind, at least two models of that brand.
-The R-760, version E2, with seven radial cylinders without gear and mechanical supercharger of 9.17:1 ratio. Giving 350 CV at 2,400 rpm.
"FNM, R-760-E2 model"
"FNM, R-975-E3 model"
-The other engine is the Wright Whirlwind that delivered 450 CV at 2,250 rpm. It had nine radial cylinders.
Engines of FABRICA NACIONAL DE MOTORES
Model: Wright Whirlwind, R-760-E2 (Lic.)
Arquitecture: 7-cylinder Radial
Cooling:
Total Displacement:
Bore / Stroke:
Power: 350 CV @ 2400 rpm
Weight:
"FNM, R-760-E2"
Model: Wright Whirlwind, R-975-E3 (Lic.)
Arquitecture: 9-cylinder Radial
Cooling:
Total Displacement:
Bore / Stroke:
Power: 450 CV @ 2400 rpm
Weight:
"FNM, R-975-E3"