It was designed by Arthur Nutt in 1921 and used in the Curtiss CR - 3 for the 1923 Schneider Trophy race .
It was a water - cooled V12 , producing 443 hp ( 330 kW ) and weighing 693 lb ( 314 kg ) .
V12 was designed by Arthur Nutt in 1921 and used in the Curtiss CR - 3 for the 1923 Schneider Trophy race .
It was a water - cooled V12 , producing 443 hp ( 330 kW ) and weighing 693 lb ( 314 kg ) .