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Go Back   SailNet Community > On Board > Gear & Maintenance > 2 Blade vs 3 Blade prop
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Thread: 2 Blade vs 3 Blade prop Reply to Thread
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Topic Review (Newest First)
01-02-2007 10:43 PM
PBzeer Well, after checking things out, I put my refurbished prop back on today. Or at least the diver did. Was less than $200 including the diver. Would have been nice to get a new one, but with the new Wheel Pilot, having to redo the AC wiring including a new panel, and clean up the wet core at the rear of the boat to mount the davits, now just didn't seem the time. Appreciate everyone's input and I'm sure I'll make use of it down the road.
01-02-2007 10:04 PM
sailingfool The MaxProp guys at http://www.pyacht.net/cgi-local/Soft....htm?E+scstore are very expert - we have been very pleased with our MaxProp three blade over the the last five years. A premium product at a premium price...
01-02-2007 10:56 AM
Giulietta My best advise to you is to contact a propeller supplier, such as Gori or Max prop, and let them figure out what is best suited for you, your sailing habits, and to your boat/engine, instead of trying to get what you had there before.

Prop tech has suffrered some evolution and sionce you need a new one, why not get the best?
01-02-2007 10:50 AM
cabacpa Hi everyone:
On xmas eve I lost the propeller while entering the marina on my Gulfstar CSY42. I dont have the propeller specs I know the shaft is 1'' and the engine is a Yanmar 59. I will appreciate any information from other owners so I can order anew one before putting the boat on the hard.
Thanks,
Jose Caballero
S/S Cundeamor
01-01-2007 10:53 PM
trantor12020
Quote:
Originally Posted by niftynickers
This past June I replaced the 2 blade prop on our Pacific Seacraft 37 with a 3 blade Campbell sailor prop.Because my prop is in an aperture behind the skeg the 2 blade had a "null" which caused it to loose bite at higher rpm.This caused a wicked vibration in the tiller at full throttle.The 3 blade eliminates the null and thus the vibration.I felt that the Campbell prop was overpriced but I liked the concept so I bit the bullet.One word of caution from an experience engine guy was to double check the pitch as he's seen several Campbells incorrectly pitched.
The 3 blade does bite better which is very noticeable powering into a headsea.
Niftynickers
Niftynickers, I'm thinking of getting Campbell Sailor -blade for my Hunter 326 (2GM20F) for the same reason you mention, better trust and smoother running. You mentioned seeing several incorrectly piched Campbell prop. Would that be wrong calculation made by WestbyNorth or manufacturing error ?
WbyN quoted me 14"x9" pitch 3-blade to replace my stock 15"x10" 2-blade.
12-19-2006 02:11 AM
niftynickers
3 blade vs 2 blade

This past June I replaced the 2 blade prop on our Pacific Seacraft 37 with a 3 blade Campbell sailor prop.Because my prop is in an aperture behind the skeg the 2 blade had a "null" which caused it to loose bite at higher rpm.This caused a wicked vibration in the tiller at full throttle.The 3 blade eliminates the null and thus the vibration.I felt that the Campbell prop was overpriced but I liked the concept so I bit the bullet.One word of caution from an experience engine guy was to double check the pitch as he's seen several Campbells incorrectly pitched.
The 3 blade does bite better which is very noticeable powering into a headsea.
Niftynickers
12-13-2006 12:24 PM
Cruisingdad CAM - You are sooo funny. Better than a fin where he really will be stuck in the dirt. No wait, aren't all tombstones basically the design of a fin??
12-13-2006 12:23 PM
Cruisingdad Better yet, the next time a Sea Ray blows you off the road, might I suggest finding where he slips his boat, a little scuba gear, and a late night swim with a wrench. It might not be the perfect size, but with a little shimming it will work. Plus you will save more money for the cruising kitty and make the waterways a safer place to boat.

I know this might sound extreme to some, but please understand one thing: Sea Rays have two screws and most of their captains would never know it anyway. Plus the entertainment of anchoring on your boat and listening to them scream, "WHY DOES THIS BOAT ONLY GO IN CIRCLES!!??? KNEW I SHOULD HAVE BOUGHT A SAILBOAT!!"

Ahhh (wiping tear from eye), I just love Sea Rays. (SMILE!!)

- CD
12-13-2006 12:20 PM
camaraderie PB...
I think he's going to use a wing keel for his tombstone

What a cool idea...then the kids won't be able to tip over his gravestone!
12-13-2006 12:10 PM
PBzeer Of course they are CD.....just ask SailorMitch. I think he's going to use a wing keel for his tombstone, as a matter of fact!

I'd already thought about having the present one for a spare, but I've put so much in the boat already, I'm getting close to the point of having to w*&% to build up the kitty a bit. That's down right scary. May just go with what I have till I have a little extra bread, then buy a new one and swap 'em out next haulout.
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