RE: e Sachs 3.2 prop question
rule of thumb is usually 1' down in pitch or length. 22/9 or 21/10. your problem will be in findin a prop. Try Solo, they will have what you need , just be prepared to pay for it....but if it is just for looks. Byron used to have a 4 blade for the P47 but it was to be used on the 4.2