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Nysrx01



Joined: 02 Mar 2015
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City/Region: Millerton
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C-Dory Year: 1999
C-Dory Model: 22 Cruiser
PostPosted: Wed Mar 25, 2015 7:01 pm    Post subject: Yamaha SDS prop Reply with quote

Anybody running these. They say if you use these props to drop 3 pitch sizes from what you are using now. I was just wondering how good they are. Sounds like they would be ideal for midrange motor and a heavier boat. Plus they have some kind of a soft shift hub.
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thataway



Joined: 02 Nov 2003
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PostPosted: Wed Mar 25, 2015 7:40 pm    Post subject: Reply with quote

I have not used one of these. The cushioned hub does make less noise and vibration than the standard rubber hub. However, as far as dropping 3 pitch sizes--I would check with someone like Andy at SIMS or Ken at Prop Gods. Generally you change the RPM 200 by each 1" of pitch change. See what the RPM is at WOT currently--you want to be between 5500 and 6000 at WOT, with any prop.
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Wefings
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PostPosted: Wed Mar 25, 2015 7:52 pm    Post subject: Reply with quote

The only difference in these very pricy Yamaha props [good quality] and anybody else's is the proprietary SDS hub system . The only thing a hub does is transfer the power from the propshaft to the propeller blades with some kind of sacrificial hub in between . The SDS is an anti "clunk" dampening system .

A prop's "blades" have their own set of parameters . pitch, qty blades , rake , and diameter .

There is no correlation between hub type and prop pitch . If the boat runs well now, note the pitch and diameter . Thats likely what you will end up with .
Marc

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Nysrx01



Joined: 02 Mar 2015
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City/Region: Millerton
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PostPosted: Wed Mar 25, 2015 7:58 pm    Post subject: SDS Reply with quote

Here what they have the website. Props are $144.



3-Blade. NOTE ON ALL TALON SDS PROPS. THEY ARE MORE AGGRESSIVE THAN OTHER ALUMINUM PROPELLERS. WHEN ORDERING GO 3" DOWN IN PITCH FROM WHAT YOU ARE USING CURRENTLY. EXAMPLE: IF YOU ARE RUNNING A 15P ALUMINUM PROP, PURCHASE A 12P TALON SDS TO MAINTAIN SIMILAR RPMS AT WIDE OPEN THROTTLE AS THE 15P. PLEASE FEEL FREE TO EMAIL OR CALL BEFORE ORDERING A TALON SDS TO CONFIRM SIZING.
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Wefings
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PostPosted: Wed Mar 25, 2015 8:38 pm    Post subject: Reply with quote

Thats not on Yamahas website that I can find ,Yamaha geneally does not have factory online pricing either .
Sounds like someone trying to generate a phone call to me.
However it does say this ;
Talon (SDS) (Aluminum)
Designed for outboards F70-F115, T50 and T60. Our new Talon – SDS propeller brings our exclusive Shift Dampener System (SDS™) to larger midrange outboards. This creates smooth shifting and quiet, in-gear operation, even at trolling speeds, and is particularly beneficial on smaller, in-line outboards such as those used on pontoon, walleye, fiberglass and deep-V boats

Pitch , blades and diameter ...... = prop size .
Marc
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Nysrx01



Joined: 02 Mar 2015
Posts: 15
City/Region: Millerton
State or Province: NY
C-Dory Year: 1999
C-Dory Model: 22 Cruiser
PostPosted: Wed Mar 25, 2015 8:51 pm    Post subject: SDS props Reply with quote

Here is the website I found that has the SDS props for the midrange Yamaha's

These are all new this year. It's the Talon series. I don't think the prices are that much more than standard props.


It's a genuine Yamaha website. www.simyamaha.com

You are here: Home > PROPELLERS & HARDWARE > PROPELLERS > PROPELLERS FOR MODELS T50, C60, E60, P60, T60, 70, P75, C75, E75, F75, F80, 90, C90, F90, F100, 115, C115, F115, P115, 130 > NEW! TALON SERIES WITH SDS




Yamaha's high-performance aluminum propeller with
Shift Dampener System (SDSTM) designed specifically
for Yamaha mid-range outboards. The Talon features
all-new blade architecture that is perfect for pontoon,
walleye, deep V and fiberglass boats, and a new,
replaceable SDS hub that requires no special hardware
for operation. High-efficiency, low slip design,
13 - 1/2 diameter and available in several pitches.
These props are for engines with a 4.25" gearcase, "K" series


6EK-45941-00-00 - Part # 6EK-45941-00-00
9 PITCH X 13-1/2 DIameter
List Price: $169.95
Our Price: $144.46
You save $25.49!


Part # 6EK-45941-00-00

3-Blade. NOTE ON ALL TALON SDS PROPS. THEY ARE MORE AGGRESSIVE THAN OTHER ALUMINUM PROPELLERS. WHEN ORDERING GO 3" DOWN IN PITCH FROM WHAT YOU ARE USING CURRENTLY. EXAMPLE: IF YOU ARE RUNNING A 15P ALUMINUM PROP, PURCHASE A 12P TALON SDS TO MAINTAIN SIMILAR RPMS AT WIDE OPEN THROTTLE AS THE 15P. PLEASE FEEL FREE TO EMAIL OR CALL BEFORE ORDERING A TALON SDS TO CONFIRM SIZING.


6EK-45943-00-00 - Part # 6EK-45941-00-00
10-1/2 PITCH X 13-1/2 DIA. - TALON PROP
List Price: $169.95
Our Price: $144.46
You save $25.49!


Part # 6EK-45943-00-00

3-Blade NOTE ON ALL TALON SDS PROPS. THEY ARE MORE AGGRESSIVE THAN OTHER ALUMINUM PROPELLERS. WHEN ORDERING GO 3" DOWN IN PITCH FROM WHAT YOU ARE USING CURRENTLY. EXAMPLE: IF YOU ARE RUNNING A 15P ALUMINUM PROP, PURCHASE A 12P TALON SDS TO MAINTAIN SIMILAR RPMS AT WIDE OPEN THROTTLE AS THE 15P. PLEASE FEEL FREE TO EMAIL OR CALL BEFORE ORDERING A TALON SDS TO CONFIRM SIZING.


6EK-45945-00-00 - 10-1/2 PITCH X 12 DIA. - TALON
12 PITCH X 13-1/2 DIA. - TALON PROP
List Price: $169.95
Our Price: $144.46
You save $25.49!


Part # 6EK-45945-00-00

3-Blade. NOTE ON ALL TALON SDS PROPS. THEY ARE MORE AGGRESSIVE THAN OTHER ALUMINUM PROPELLERS. WHEN ORDERING GO 3" DOWN IN PITCH FROM WHAT YOU ARE USING CURRENTLY. EXAMPLE: IF YOU ARE RUNNING A 15P ALUMINUM PROP, PURCHASE A 12P TALON SDS TO MAINTAIN SIMILAR RPMS AT WIDE OPEN THROTTLE AS THE 15P. PLEASE FEEL FREE TO EMAIL OR CALL BEFORE ORDERING A TALON SDS TO CONFIRM SIZING.


6EK-45947-00-00 - 10-1/2 PITCH X 12 DIA. - TALON
14 PITCH X 13-1/2 DIA. - TALON PROP
List Price: $169.95
Our Price: $144.46
You save $25.49!


Part # 6EK-45947-00-00

Superseded from Part # 68V-45941-00-EL, 68V-45941-00-98, 68V-45941-00-00


3-Blade. NOTE ON ALL TALON SDS PROPS. THEY ARE MORE AGGRESSIVE THAN OTHER ALUMINUM PROPELLERS. WHEN ORDERING GO 3" DOWN IN PITCH FROM WHAT YOU ARE USING CURRENTLY. EXAMPLE: IF YOU ARE RUNNING A 15P ALUMINUM PROP, PURCHASE A 12P TALON SDS TO MAINTAIN SIMILAR RPMS AT WIDE OPEN THROTTLE AS THE 15P. PLEASE FEEL FREE TO EMAIL OR CALL BEFORE ORDERING A TALON SDS TO CONFIRM SIZING.


6EK-45949-00-00 - 10-1/2 PITCH X 12 DIA. - TALON
16 PITCH X 13-1/2 DIA. - TALON PROP
List Price: $169.95
Our Price: $144.46
You save $25.49!


Part # 6EK-45949-00-00

3-Blade. NOTE ON ALL TALON SDS PROPS. THEY ARE MORE AGGRESSIVE THAN OTHER ALUMINUM PROPELLERS. WHEN ORDERING GO 3" DOWN IN PITCH FROM WHAT YOU ARE USING CURRENTLY. EXAMPLE: IF YOU ARE RUNNING A 15P ALUMINUM PROP, PURCHASE A 12P TALON SDS TO MAINTAIN SIMILAR RPMS AT WIDE OPEN THROTTLE AS THE 15P. PLEASE FEEL FREE TO EMAIL OR CALL BEFORE ORDERING A TALON SDS TO CONFIRM SIZING.


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thataway



Joined: 02 Nov 2003
Posts: 17207
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Wed Mar 25, 2015 9:58 pm    Post subject: Reply with quote

"Simyamaha.com is a division of Shipyard Island Marina, Inc".
Do as I suggested and call "Andy" at Shipyard Island Marina, and ask what the situation is. SIM is a legit outfit, and Andy is very helpful.

In the past, most of the SDS hub motors were SS props, and were expensive in comparison.

However, as Marc (who really knows what he is talking about), says, there is something a bit strange, about a prop which claims to be a 12" pitch, and yet runs like a 15" pitch. Actually pitch is not constant in prop blades (that would not work real well, and that is where the concept of cupping and rake comes into play.) This generally would a more aggressive pitch further out in the blade of the prop. 12" thru the water, should be 12" thru the water, but it is more the way the pitch is measured, than reality.
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Nysrx01



Joined: 02 Mar 2015
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C-Dory Model: 22 Cruiser
PostPosted: Thu Mar 26, 2015 12:08 am    Post subject: SDS prop Reply with quote

thanks for the info. I will be sending and email to Andy to find out which talon SDS prop I should order to replace a 13 3/4 x 13 pitch. I will let you know what he recommends.
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Nysrx01



Joined: 02 Mar 2015
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City/Region: Millerton
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C-Dory Year: 1999
C-Dory Model: 22 Cruiser
PostPosted: Fri Mar 27, 2015 6:21 am    Post subject: Yamaha SDS prop Reply with quote

Here was Andy's reply about the new Yamaha Talon SDS prop. With the aluminum SDS Talon, I have no reason why Yamaha did it this way, but the pitch numbers don't jive. Say you had a standard 13P aluminum prop, and you turned 6000 at wide open throttle. Then you put a 13P Talon on it. Your rpms would be at 5200 in the same conditions.
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SGIDave



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PostPosted: Fri Mar 27, 2015 10:27 pm    Post subject: Re: Yamaha SDS prop Reply with quote

Nysrx01 wrote:
Here was Andy's reply about the new Yamaha Talon SDS prop. With the aluminum SDS Talon, I have no reason why Yamaha did it this way, but the pitch numbers don't jive. Say you had a standard 13P aluminum prop, and you turned 6000 at wide open throttle. Then you put a 13P Talon on it. Your rpms would be at 5200 in the same conditions.


There must be a large amount of CUP in the blades to account for the 800 reduction in RPM...

/david
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Moro80



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PostPosted: Sun Nov 03, 2019 2:54 pm    Post subject: Reply with quote

Hi my friend im from Italy, i have a 2018 f70 yamaha
i have used 2 type ok K alu prop.
13 5/8 13p in 3 person 6300 rpm - 28 mph
13 5/8 14p 2 person 6000 rpm 28 mph

i have many problem at live trolling chattering prop and i need a Talon pro, can u help me?do u have my same engine?
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