Bow lift. VS. stern lift.
What gives more bow lift..? if the prop is lower in the water or it's higher?
IE. if the center line of the prop shaft is higher, (like an Imco shorty) will that provide bow lift? or stern lift. ? Thx P |
i think some of it has to do with what way the props spin, wether they go in or out
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Originally Posted by showtime83
(Post 2539313)
i think some of it has to do with what way the props spin, wether they go in or out
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The higher the propshaft centerline is the less bowlift... Meaning that if you install a shorty you will generally loose bowlift & create more sternlift.... Prop selection also plays a major role in bow & stern lift.... Style of blade : round ear or cleaver , Diameter , rake , ect..
Hope this helps answer your question.... |
As far as spinning the props in , or spinning them out.... usually spining the props in will create more bow lift than spinning out... Not sure what kind of drives you are running but if the boat has bravo's on it that is something that can easily be switched to see wich way the boat handles & runs best
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THe boat is being rigged with shorties and I was hoping for bow lift. THis boat needs it. I am aware of the prop stuff, but I might have to turn them in. But.. I also now, that turning night loose some stability. I just have to experiment.
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Could someone explain why the rotation of the props affects bow lift?
Michael |
Originally Posted by PARADOX
(Post 2539376)
THe boat is being rigged with shorties and I was hoping for bow lift. THis boat needs it. I am aware of the prop stuff, but I might have to turn them in. But.. I also now, that turning night loose some stability. I just have to experiment.
What boat is it ?? & if you are going from standard lowers to shorties what is the X-dim. at now with the standards ? & what shorties are you going with ? -1" , -2" ... ? I don't want to be the bearer of bad news by any meens but if you are putting shorties on with the sole intentions of gaining bow lift I am not sure you are going to be very happy with the results |
Originally Posted by Michael1
(Post 2539381)
Could someone explain why the rotation of the props affects bow lift?
Michael Now with that in mind not all hulls will respond or the react the same & prop rotation will definitely change the handling characteristics of most boats... Twins or single engine....Even around the docks... Thats the good thing about bravo's : They make it easy to swap rotation so you can find out exactly what works best for your particular application , setup , & driving style.... |
Good question Paradox, I always wondered about the effects of a hi X on bow lift. Anybody have a 3/4"-1" spacer for a bravo?:D
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