Rudder retrofit

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13 years 8 months ago #6512 by Andres Coll
Rudder retrofit was created by Andres Coll
Does any body have a spare rudder that I can buy, or recommend me a place to find one? I need to fix the rudder of my ski, the original one was knife-like aluminum plate welded to a rod, the rod is 1/2" in diameter and may be about 8 inches long to go thru the shaft in the ski. Would oval be better than a more square one? Any advices will be greately appreciated. It should be an easy fix.

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13 years 8 months ago #6516 by owenfromwales
Replied by owenfromwales on topic Re:Rudder retrofit
What ski is it Andres? Your best bet might be to contact the maker or search for old rudders off the same boats. The only ski rudder I remember like that are the ones Chris Humpage used on his Surf Tech spec skis from Cornwall back in the 90`s. Hope that helps.
Happy paddling,
Owen

189cm 90~100kg
Present skis:
2017 Stellar SEI 2G
1993 Gaisford Spec Ski
1980s Pratt Spec Ski
1980s UK Surf Skis Ocean Razor
Previous
1980s UK Surf Skis Ocean Razor X 3
1987 Kevlar Chalupsky (Hummel) (Welsh copy!)
1988 Kevlar Double Chalupsky
1992 Hammerhead spec
2000 Fenn copy

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13 years 8 months ago #6517 by Andres Coll
Replied by Andres Coll on topic Re:Rudder retrofit
The ski is a Shearwater, and it has some years on it. I beleive it was manufactured in USA.

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13 years 8 months ago #6518 by owenfromwales
Replied by owenfromwales on topic Re:Rudder retrofit
Let`s see if any of our American friends can help you out :-)

189cm 90~100kg
Present skis:
2017 Stellar SEI 2G
1993 Gaisford Spec Ski
1980s Pratt Spec Ski
1980s UK Surf Skis Ocean Razor
Previous
1980s UK Surf Skis Ocean Razor X 3
1987 Kevlar Chalupsky (Hummel) (Welsh copy!)
1988 Kevlar Double Chalupsky
1992 Hammerhead spec
2000 Fenn copy

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13 years 8 months ago #6523 by latman
Replied by latman on topic Re:Rudder retrofit
A "Foiled" rudder will work a lot better than flate plate especialy when turning , but remember the T-piece needs to be compatible too and you may need to get that too

You may be able to drill our cut holes in the current blade and lay wet out glass on either side so it sticks together against itself and then foil it like a surfbord fin after the resin is cured. that may be a cheaper and guaranteed fitting option.

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13 years 8 months ago #6531 by waterbornewarrior
Andres: I build custom surfski rudders. They're foiled as latman suggests, and we'd have to work out the dimensions and other details. Feel free to contact me directly if you want to learn more.

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Don

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13 years 8 months ago #6541 by Andres Coll
Replied by Andres Coll on topic Re:Rudder retrofit
Thank you Don, I'll load a pic when I have a chance to see what can be done.

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