Deveined exit nozzel
- Thread starter stefan
- Start date
- Location
- South Florida
Seems to hurt to me. Vanes produce more laminar flow.
mike b
Michael "Mayhem" Bevacqua aka MikeyChan
- Location
- California
From what I heard it is like boring out the nozzle or changing to smaller cone. It helps loosen up the pump. But the veins are to stabilize to exiting water if I remember right so not sure if this really affects things in freestyle. Probably something else to do for those wanting just a little bit more or the prop just a bit too big. I haven't ever tested one but I do have a reduction nozzle to test that is slightly smaller bore and the fins broken out so I will test before and after and see if anything noticed.
- Location
- United Kingdom
Agree with the above. You will find spinning tricks easier without the veins for sure, great for high spec freestyle skis.
N3vrSat1sfied
Military Member
- Location
- Fort Worth, TX
Yes, big difference. Mine were removed by XS
- Location
- the jetski grave yard
the veins are designed to straighten the water as it comes out the nozzle. mostly for directional stability at high speeds. veins create friction as the water flows across them. less friction means increased flow. yes it helps and every tiny mod adds up to bigger gains. also more water volume in the pump without them. more water volume means a bit more propultion. without the veins means less restriction in the reduction nozzle which is why it makes the prop seem smaller or the nozzle exit bigger
- Location
- Braapp factory
6 veins in exit nozzle dont line up too well with 14 vein mag either
Christian_83
Xscream
- Location
- Denmark
I really dont get why anyone would spend 2-3 hours grinding those veins out of their exit nozzle 
But one thing i do know is, its a sh$t $$s job to do.
But one thing i do know is, its a sh$t $$s job to do.
mike b
Michael "Mayhem" Bevacqua aka MikeyChan
- Location
- California
I really dont get why anyone would spend 2-3 hours grinding those veins out of their exit nozzle
But one thing i do know is, its a sh$t $$s job to do.
View attachment 343603
So how do you get your nozzle to look like the one posted at the top? The nozzle I plan to test is on its way to looking close to yours Christian, but I want to get it as smooth as possible. Anybody know the process of the nozzle above? I am assuming a lathe and finishing off with sandpaper?
Christian_83
Xscream
- Location
- Denmark
I guess with sanding paper, maybe sand or media blasting. BUUUT i seriously doubt you gonna feel difference from my rough looking nozzle to at smooth one.
Anyway im not spending 2 more hours on mine
Vumad
Super Hero, with a cape!
- Location
- St. Pete, FL
So...
Racing = bad
Flatwater = good
Surf = good
Riding to surf spot = bad
Correct? Or am I oversimplifying your explanation?
Drum sander on high speed drill it took me a couple hours to make it perfectly smoothI guess with sanding paper, maybe sand or media blasting. BUUUT i seriously doubt you gonna feel difference from my rough looking nozzle to at smooth one.
Anyway im not spending 2 more hours on mine
bored&stroked
Urban redneck
- Location
- AZ
We like simple.
onlyFX-1
Jace Forest...BRAP!
- Location
- Lake Travis,Texas
I don't make mine perfectly smooth. The veins add a little strength to the nozzle. In the past when I made them perfectly smooth they started to crack after a while