a boat's propeller material and number of blades determine speed and performance

39aph39 4blade acceleration aluminum andperformance blade blades boat boats bronze compared corrosion depends determine determines direction dock drives durability durable economy engines equipment faster four fuel handling heavy high highperformance higher inboard lift marine maritime material metal motors move number outboard performance pier prop propeller propellers ratio resistance ship small speed speeds spin spinning stainless steel stern strength strong three tool top transportation used water withstand