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-   -   prop rotation in or out on cats (https://www.offshoreonly.com/forums/general-boating-discussion/322451-prop-rotation-out-cats.html)

skate 36 01-26-2015 12:28 PM

prop rotation in or out on cats
 
Just curious what rake props and rotation most are running on cats.

weldcrane 01-26-2015 12:38 PM

On my 35 motion turning in

flight club 01-26-2015 02:32 PM

out for speed, in for handling. 16 or 18 on rake

phil_p999 01-26-2015 02:36 PM


Originally Posted by flight club (Post 4256313)
out for speed, in for handling


+1

skate 36 01-26-2015 02:56 PM


Originally Posted by flight club (Post 4256313)
out for speed, in for handling. 16 or 18 on rake

whats different with the handing? I always hears that out is better in rough water.

GATORONE 01-26-2015 03:37 PM

It all depends on the boat, type of drives... Lots of variables.. As Ron said 16-18 degree rake but the diameter depends on the boat.. It's sort of a loaded question

SkiDoc 01-26-2015 03:47 PM

Average would be 18 turning in. Lower rake will generally lift transom and higher rake allows more bowdise . In most cases turning out will give more transom lift(think about water coming off the deadrise of fhe sponson with outward rotation. The blade moving downward will contact the water much sooner in the stroke than if turning inward.) Of course there are many other variables.

Bill fountain40 01-26-2015 03:50 PM

Just switched to out ( 36 NT), picked up 8 MPH and handles good. when turning in it felt like it was picking the back of the boat up to much....18 rake.

skate 36 01-26-2015 04:08 PM

I am getting close on completing a 36 Nortech 800hp .trying to pick props and set-up. In or out. Thanks for the input.

SummerObsession 01-26-2015 09:09 PM

predisiondetails in 3....2....1......

Lol just messing with you PD!

skate 36 01-29-2015 05:12 PM

So out picks up the transom?

precisiondetails 01-29-2015 08:05 PM


Originally Posted by SummerObsession (Post 4256541)
predisiondetails in 3....2....1......

Lol just messing with you PD!

It's good to know I will forever be in your head!! Lol

And it's precision

Gee wiz get it right darn it! :)

FREEDOM US1 01-29-2015 08:37 PM


Originally Posted by skate 36 (Post 4257917)
So out picks up the transom?

Yes, in a perfect world it's nice if you can try several set ups and then buy your props.


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