I have a 1979 Mako 21 with a 28" Armstrong bracket bolted to a 6" Bobs jack plate hanging a 2002 Yamaha OX66 200hp. I currently have some no name brand 3 blade SS prop that is a 15 1/4in 17 pitch and I currently max rpm of 6000 and a top speed of high 44 low 45mph. Now I know this isn't terrible performance for this boat but I am looking for something better maybe higher top speed and a little more control in the turns. I use to have a Mirage 19p 15 1/4in 3 blade and I wouldn't come close to my top rpm presently and I can't remember what my top speed was. Currently I can run shallower than any of my friends setups most of which have flats or bay style boats, the only one I can't run skinnier than is my buddies Lowtide flats boat.
Now I do run off shore with a decent amount of weight for diving occasionally and if a different prop wouldn't work for that but would meet my other needs I have no issues switching props for that day.
I have been interested in a 4 blade because from the way I understand it the 4 blade props will give me stern lift as well as better handling in the turns. I'm hopeful that it would give me a higher top speed. I've been looking at a few different ones the Quicksilver site suggested but not so sure about any of them until I try it on the boat or get some kind of idea from the wonderful folks here.
Now I do run off shore with a decent amount of weight for diving occasionally and if a different prop wouldn't work for that but would meet my other needs I have no issues switching props for that day.
I have been interested in a 4 blade because from the way I understand it the 4 blade props will give me stern lift as well as better handling in the turns. I'm hopeful that it would give me a higher top speed. I've been looking at a few different ones the Quicksilver site suggested but not so sure about any of them until I try it on the boat or get some kind of idea from the wonderful folks here.
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