No
They are wound rotor split phase using slip rings and brushes like a alternator they have a centrifugal switch they came I horsepowers of 1,1/4,1/20 and 1/30. I restored the 1/6 hp one I liked the black and bare steel I have no clue if this is how they’re supposed look one of them is original . I also have a Robinson miyers 1/2hp 30 volt dc motor