Prop Guard

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Feb 10, 2006
75
Hunter 25 Forked River, New Jersey
Has anyone tried the Prop Guard that sells for about $85? If so, I was wondering if it had any effect to reduce "prop walk"?
 
Sep 25, 2008
2,288
C30 Event Horizon Port Aransas
I asked a similar question. The prop gaurd is a kort tube. They work best with squared prop blades that are close to the tube wall.
 
Oct 22, 2008
3,502
- Telstar 28 Buzzards Bay
An outboard shouldn't have any significant propwalk. Propwalk is generated by props that are not vertical. IF your outboard is generating significant prop walk, it isn't adjusted properly, since it should be nearly vertical.
 
Jun 4, 2007
117
Gulfstar 37 Noank, CT
Propwalk on outboard

Sailingdog:

It may not be called propwalk, but I believe that an off center outboard causes something quite similar to prop walk or maybe even worse.

All least my first Kells 22 had a significant problem. The outboard was mounted well to port on the transom. I think that the wash against the rudder doesn't help either. Backing wasn't even a consideration in that tub.

Mike
 

Ross

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Jun 15, 2004
14,693
Islander/Wayfairer 30 sail number 25 Perryville,Md.
Why not use the directional thrust available with an outboard engine to back the boat into the slip.
 
Oct 22, 2008
3,502
- Telstar 28 Buzzards Bay
If the outboard isn't mounted on the centerline, you're going to get a turning moment, but the propguard won't affect it at all, because it is due to the lever arm caused by the distance from the centerline. :naughty:

That's just simple Physics 101... you have off-center thrust with a lever arm causing torque around the center of rotation—IT AIN'T PROPWALK THOUGH. :snooty:

Sailingdog:

It may not be called propwalk, but I believe that an off center outboard causes something quite similar to prop walk or maybe even worse.

All least my first Kells 22 had a significant problem. The outboard was mounted well to port on the transom. I think that the wash against the rudder doesn't help either. Backing wasn't even a consideration in that tub.

Mike
 
Dec 12, 2006
58
- - panama city, fl.
Barry can you steer your boat with the motor. I have my motor connected to the rudder and it makes it very easy to maneuver on a 22 Hunter. I had the propguard but it was just to make sure the rudder did not get into the prop before I connected the rudder to the motor. The propguard did not seem to affect handling either way before that.
 
Dec 12, 2006
58
- - panama city, fl.
Barry I am sorry it was not a propguard but a power thruster I think it was called.
As they are similar but not the same.
 
Oct 22, 2008
3,502
- Telstar 28 Buzzards Bay
Barry—

If you're talking about your Hunter 25...

Is the outboard offset from centerline?? If so, then you're not experiencing propwalk, as I stated above... it is simple physics due to the prop being off center, and nothing you can do to the outboard or put on or around the prop is going to change the fact that it is off center or reduce the boat's tendency to turn—because it ISN"T PROPWALK.

As I stated above, properly mounted and adjusted outboard motors don't have propwalk—since the props are basically vertical.

Judging from the responses, I guess no one knows.

Thanks anyway, Barry
 
Feb 10, 2006
75
Hunter 25 Forked River, New Jersey
Everyone,
The outboard is vertical, off-center by Hunter design and the motor is attached to the rudder when powering.
Again, thanks for your input, but I was looking for a simple response from someone who tried the "Prop Guard".
For those of you that would like to learn a little about prop walk,
http://www.navis.gr/boathand/boat_ha3.htm
 
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