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Prop protection?! |
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MBO090 
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Joined: October-23-2008 Location: Sweden Status: Offline Points: 68 |
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 Topic: Prop protection?!Posted: May-01-2009 at 6:56pm |
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Hello.
I have a Ski Nautique 1998 and wonder if anyone has some experience regarding some kind of "cage" that can protect the prop? I run the boat in a lake with a lot of nice beaches and its a little bit difficult to get close to the beach without headace... I realise that its best if the prop can work in "clean" water and i have planed to make a simple "protection cage" in 5 x 40 mm stainless steel about 50 mm under the prop with some extra "support strings" about 60-70 cm forward on each side of the props shaft. Does anyone have any experience of this? Thanks from Sweden! |
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Livet går i direktsändning!
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C-Bass
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Joined: November-18-2008 Location: Columbus, IN Status: Offline Points: 1248 |
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Posted: May-01-2009 at 7:29pm |
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Seems like a bad idea. I'd spend the time/effort on beaching it carefully or not beaching it at all. Drilling holes in the bottom of a perfectly good boat for something like this..
Plus, I'm sure it would disrupt the dynamics of the hull and prop. But I'm sure others will give their opinion too. Make a rough sketch and post it. I'm having trouble invisioning your plan. |
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CCrider89
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Joined: February-10-2007 Location: Canada Status: Offline Points: 44 |
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Posted: May-01-2009 at 8:13pm |
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I had a wooden boat at one time which had a skeg under the hull to protect the prop. It ran from just in front of the prop shaft hole in the hull parallel with the shaft and then under the prop and back up to the hull in front of the rudder. It was a steel 1" rod.
I tend to agree with C-Bass, and not beach it at all. An anchor off the stern and a beach anchor off the bow should keep the boat in place in the water. |
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CCrider89
Boating in the northern Adirondacks |
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8122pbrainard
Grand Poobah 
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: May-01-2009 at 9:49pm |
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Mattias,
I feel the best approach to your problem is as mentioned careful beaching or none at all. If you do need to get to the beach, shut down the engine early and pull the boat to shore by hand. There are extended skegs available which have a protrusion that do provide some extra protection to the prop but they are usually used for larger boats like tugs. Your idea of building a protective prop cage is admirable but I don't feel it would last very long. In order to make it tough enough to withstand the punishment of beaching, you will loose lots of performance from the boat. IE: the prop will not perform as designed! |
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Gary S
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Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: May-02-2009 at 2:03am |
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I agree too.To make it strong enough to protect the prop you'll run the risk of damaging the hull. In order for this idea to work it would have to be designed into it from the start not added on later. Here is one idea that works-Shamrock boats. My Dad ran his for 20yrs in the Keys and never damaged a prop.
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MBO090
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Joined: October-23-2008 Location: Sweden Status: Offline Points: 68 |
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Posted: May-02-2009 at 6:32pm |
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Well I geuss your right... I will not ruin the boats performance in any way so i guess my wife and ids will have to take a 20 inch bath to reach the shore :S
Thanks for your answers and have a nice summer - the ice on the lake Tavelsjö will melt i a week or two and we are ready!! Mvh Mattias, Sweden |
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