Re: prop survey
Step, IMO, the noticable difference between the s.s. and aluminium, is price and thats it. You're not going to see a dramatic MPH difference, you may SEE a rpm difference because the s.s. blade is thinner and will turn a little free-er. Also, if you did bounce the s.s. off a rock or something you risk more possible damage to your drive system...with the aluminium you just bend or break a blade[or two].If it were a raceboat of sorts,then you gotta go w/ S.S.I've got a 15 1/4x15,which on my 86 hull , 150 Johnson is good all around. as a spare I'll get a 15 1/4 x17, just for a little more on the top end.BTW,aluminium.
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