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Stainless Steel Prop

 
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colbysmith



Joined: 02 Oct 2011
Posts: 4522
City/Region: Madison
State or Province: WI
C-Dory Year: 2009
C-Dory Model: 25 Cruiser
Vessel Name: C-Traveler
Photos: C-Traveler and Midnight-Flyer
PostPosted: Tue Nov 05, 2013 7:21 pm    Post subject: Stainless Steel Prop Reply with quote

Just in case any one is interested, before I just about give my prop away on ebay, if you are looking for one, you can bid on my old one here.
http://www.ebay.com/itm/200983006729?item=200983006729&=&sspagename=ADME:L:LCA:MOTORS:1123&vxp=mtr
Colby
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Jack in Alaska



Joined: 17 Aug 2004
Posts: 1190
City/Region: Anchorage/Ninilchik
State or Province: AK
C-Dory Year: 2005
C-Dory Model: 26 Pro Angler
Vessel Name: HIGH TIDE II
Photos: HIGH TIDE II
PostPosted: Thu Nov 07, 2013 12:17 am    Post subject: Reply with quote

Colby..........

You need to run in deeper water.

Jack

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On the HIGH TIDE-II, wife Carolyn and I.....Another summer fishing on the HIGH TIDE II in the Cook Inlet at Cape Ninilchik, Alaska.

HIGH TIDE-II; 2005 26' ProAngler; 2003 200 Honda / 2009 9.9 Honda high thrust
No. CD026021I405; AK-5008-AK
MSSI No. 338143486(cancelled)

HIGH TIDE; 1983 Angler Classic 22'; 90 Honda/ 9.9 Tohatsu-sold 2009 to son Dan (flatfishfool)
Stolen & stripped in Aug. 18
Bare hull & trailer sold in Nov.
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colbysmith



Joined: 02 Oct 2011
Posts: 4522
City/Region: Madison
State or Province: WI
C-Dory Year: 2009
C-Dory Model: 25 Cruiser
Vessel Name: C-Traveler
Photos: C-Traveler and Midnight-Flyer
PostPosted: Thu Nov 07, 2013 10:13 am    Post subject: Reply with quote

I run in Lake Michigan also, but still prefer the aluminum... Smile
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DuckDogTitus



Joined: 31 Jan 2013
Posts: 1034
City/Region: Gig Harbor
State or Province: WA
C-Dory Year: 1988
C-Dory Model: 22 Cruiser
Vessel Name: C-Miner
Photos: Hemingway
PostPosted: Thu Nov 07, 2013 10:21 am    Post subject: Reply with quote

colbysmith wrote:
I run in Lake Michigan also, but still prefer the aluminum... Smile


I'm a neophyte to this, what is the benefit to aluminum over stainless?

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Dustin
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colbysmith



Joined: 02 Oct 2011
Posts: 4522
City/Region: Madison
State or Province: WI
C-Dory Year: 2009
C-Dory Model: 25 Cruiser
Vessel Name: C-Traveler
Photos: C-Traveler and Midnight-Flyer
PostPosted: Thu Nov 07, 2013 10:26 am    Post subject: Reply with quote

Dustin, stainless steel is much stronger than aluminum. But it's also much heavier. Line of thought is if you hit something with your prop, you would rather have the prop break, than your driveshaft, so aluminum is better in that case. However, you can still suffer shaft damage with an aluminum prop hit. I've heard some say that they feel the SS performs better. I have not witnessed that on either my CD-22, or on my prior Searay 268 Sundancer. (26' heavy cabin cruiser). Aluminum is cheaper and easier to repair. SS maintains it's shape better. As far as my experience goes, the only advantage I've seen to SS, is it's strength. But I've never had a problem with Aluminum's performance, and I prefer it's weight and cost advantages. Colby
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thataway



Joined: 02 Nov 2003
Posts: 20778
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Thu Nov 07, 2013 11:17 am    Post subject: Reply with quote

DuckDogTitus wrote:
colbysmith wrote:
I run in Lake Michigan also, but still prefer the aluminum... :-)


I'm a neophyte to this, what is the benefit to aluminum over stainless?


I have run both--currently aluminum on the 22 and SS on the Caracal. The SS will not scar up and often does not show dings which the Al will show--especially running in sandy or muddy waters.

If you hit something really big/unmovable the aluminum will also bend the prop shaft or even damage the gears--so there is no guarantee that an al prop will protect the shaft--but in general it is believed to do that.

The SS prop does not deflect or "bend" as much under load. The SS prop will often be faster--but that depends on the boat, load and many other conditions, including the design of the prop. The SS can be made with thinner blades--and thus less resistance--especially in a high speed or racing boat.

I am going to make a generalization--and that can be "dangerous"--but generally the more specialized props are SS, and the stock props are Al. For example I don't need anything special on the 2, but the Caracal, being a single engine cat--needs some special requirements--more cup, 4 blades, and a bit more rake than stock aluminum props provide.

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Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL
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DuckDogTitus



Joined: 31 Jan 2013
Posts: 1034
City/Region: Gig Harbor
State or Province: WA
C-Dory Year: 1988
C-Dory Model: 22 Cruiser
Vessel Name: C-Miner
Photos: Hemingway
PostPosted: Thu Nov 07, 2013 11:24 am    Post subject: Reply with quote

interesting, sorry to hijack your thread colby, but thanks for the info guys Beer
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Will-C



Joined: 21 Aug 2007
Posts: 2476
City/Region: Temple
State or Province: PA
C-Dory Year: 2008
C-Dory Model: 23 Venture
Vessel Name: Will-C
Photos: Will-C
PostPosted: Thu Nov 07, 2013 12:53 pm    Post subject: Stainless Steel Prop Reply with quote

We normally have a stainless prop on as we tend to be in shallow areas sometimes that get shoaled up with sand and mud i.e. New Jersey and Florida. When we travel to rocky areas like Maine we put on the aluminum prop.
D.D.

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PaulNBriannaLynn



Joined: 26 Oct 2012
Posts: 757
City/Region: Fort White
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: TBD
Photos: Lorelei
PostPosted: Thu Nov 07, 2013 1:53 pm    Post subject: Reply with quote

Ive run both SS and aluminum, but prefer aluminum now. The weight difference is really substantial on the ones Ive compared.

When docking with a heavy stainless prop I was concerned about going from forward to reverse too quickly, not letting the prop slow down enough. My theory was the extra weight had alot more momentum and could damage the lower unit. I have no idea if that is true or not as the lower unit was never damaged. I guess its a good idea to be concious of that with either type of prop, although thats not on my mind when im white knuckling the helm in a more challenging docking situation.


A big advantage I found with aluminum props is if you damage them in the field, you can fix them easy with a hammer, some J.B. weld and sandpaper if its not chewed up too bad. On the other hand, a stainless prop may not show any damage from the same mistake made in the boat.
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