4 blade v 5 blade

mike165

Petty Officer 2nd Class
Joined
Apr 14, 2011
Messages
196
I am running a 14.5"x 21" 4 blade Turning Point on a Bayliner 215, 5.7L Vortec 330 HP,WOT 5200rpm 72KPH,what differance would a would a Mercury 13x22 5 blade give
 

tpenfield

Moderator
Staff member
Joined
Jul 18, 2011
Messages
17,625
Re: 4 blade v 5 blade

Quite a few variables in play, so predictions might be a bit tough . . .

You are increasing pitch, adding a blade and reducing diameter . . . I think it will put your rpm down in the mid 4K range, like 4500, but it it touch to judge the speed. It depends on what your objectives are . . .

You might have to just try it . . .
 
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