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Reload this Page Has anyone switched out yama sws II props and hubs??

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  #1  
Old 07-15-2014, 10:55 AM
redroaster redroaster is offline
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Default Has anyone switched out yama sws II props and hubs??



i have contender 25t. with twin yama 150 4 strokes. Has anyone switched out there saltwater series II props and hubs to something better with no chatter and better performance????
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  #2  
Old 07-15-2014, 11:01 AM
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whats your rpms wide open?
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Old 07-15-2014, 11:15 AM
redroaster redroaster is offline
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Default 45 if i can remember
guess i will have to check them again??
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Old 07-15-2014, 12:14 PM
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You should be turning between 5500 and 6000 wide open.
do you know what your props pitch is?
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Old 07-15-2014, 12:36 PM
redroaster redroaster is offline
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Default no- how do you tell?
i know stupid question, but i have never checked
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Old 07-15-2014, 12:47 PM
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Quote:
Originally Posted by redroaster View Post
i know stupid question, but i have never checked
its written on them. the first number is the diameter the second number is the pitch.
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Old 07-15-2014, 01:14 PM
redroaster redroaster is offline
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Default k, thx
thx
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Old 07-21-2014, 09:33 PM
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Pitch is 17
Running 45 mph and 5500 rpm wide open
Looking at raising engines up as well
Enertia or thunderbolt prop or powetech 4 blade also
Definitely changing hubs and props
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Old 07-22-2014, 07:58 AM
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Originally Posted by redroaster View Post
Pitch is 17
Running 45 mph and 5500 rpm wide open
Looking at raising engines up as well
Enertia or thunderbolt prop or powetech 4 blade also
Definitely changing hubs and props
Is that your gps speed or speedometer? I ask because one of those numbers isnt right. When I calculate your propeller slip it comes out negative which isnt possible
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Old 07-22-2014, 12:51 PM
redroaster redroaster is offline
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Default 42 MPH on GPS and 5400 RPM's
42 mph on GPs or 36knots which matched up with speedometer and 5400 RPMs WOT
ken said its around 3 to 5 % slip ??? not sure i am saying this right?

cruising was 3900 RPM's and 30 mph or 26 knots on GPS
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  #11  
Old 07-22-2014, 12:52 PM
redroaster redroaster is offline
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Default prop numbers
prop numbers were:
17 TL
15 1/2

not sure if i told u correctly earlier
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Old 07-22-2014, 01:07 PM
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Originally Posted by redroaster View Post
42 mph on GPs or 36knots which matched up with speedometer and 5400 RPMs WOT
ken said its around 3 to 5 % slip ??? not sure i am saying this right?

cruising was 3900 RPM's and 30 mph or 26 knots on GPS
3-5% slip is really good, so raising your motors or trimming up more while you are running is probably your only option. A four blade will give you more hole shot, but reduce your top speed
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Old 07-22-2014, 01:44 PM
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Angry thanks for info!
i will let u know. i am just mainly changing out props and hubs to stop chatter from those sws 11 props
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  #14  
Old 07-22-2014, 01:45 PM
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Cool
b
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  #15  
Old 09-02-2014, 11:53 AM
redroaster redroaster is offline
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ken at propgods.com is the man. went with 15 pitch merc enertia and thunderbolt hubs. no more clatter and better hole shot. if u have a prop issue, he can help
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