Hello,
Looking at a great deal for a Nacra 5.0 with a trailer. The owner, however, says he has not been able to find the rudders in his barn yet.
Does anyone know where I could find a set of rudders and castings?
If the rudders are not in the barn then the $600 doesn't look so great anymore.
Thanks!
Finding Nacra 5.0 Rudder Assembly
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Posted: Mar 01, 2019 - 03:56 PM
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Posted: Mar 01, 2019 - 04:23 PM
There are many used castings on ebay for about $100 each. New about $375
https://www.murrays.com/product/56-4501/
Used rudders in decent shape will cost you about $200 each if you can find them. Caution, most used rudders I've seen have been beat all to hxxl. Or, new from Briscat, approx. $700/pr.
Last resort is to build a Hacra, and frankly I would love to try this myself, hang a set of Hobie 16 rudders on it. You might even be able to adapt the Hobie castings.
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Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
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Posted: Mar 01, 2019 - 04:42 PM
The castings are not to hard to find, the blades are the issue. You can easily find blades for the round bottom hulls, ie N5.2, but the skeg hulls are a much tougher find. If you look at the N5.0 or 5.7 hulls from the side, you see the last couple of feet have a definite rise at the bottom. This means that the rudder blades must be longer in order to keep a decent amount of blade in the water. Don’t be tempted to buy some of the shorter blades, thinking they’ll do, you won’t have rudder authority.
This is actually a fairly easy project. It requires drilling one new set of holes for the Hobie gudgeons, & obviously filling the old, & making sure you mount the new gudgeons plumb. You can see that the top Nacra fitting was used, & new holes made for the bottom fitting. It looks like they lft the old fitting in place & just ground off the "ears".
The rudder pins will go straight in on a 5.0 or 5.7. Only the really old Nacras inset the transom, leaving a lip. Anything past about 1980 has flush transoms.
It had been done on a 5.2 we parted out, using H18 rudder assembly. I sent the entire 2nd gen rudder assembly to a fellow in Texas. It should work on a 5.0 if the blades were of equal length.
Edited by Edchris177 on Mar 01, 2019 - 06:40 PM.
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Hobie 18 Magnum
Dart 15
Mystere 6.0XL Sold Was a handful solo
Nacra 5.7
Nacra 5.0
Bombardier Invitation (Now officially DEAD)
Various other Dock cluttering WaterCrap
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Posted: Mar 02, 2019 - 02:25 AM
It seems that unless the rudders show up, modifying it to take Hobie rudders or buying Nacra rudders will be about $400-$500. At that point I am $1,100 in.
What about making a set of wooden rudders covered in a layer of fiberglass cloth? That would mean I'd have $200 in castings and and whatever ash or mahogany I use to build. Could also look into foam core construction. Would need someone who is willing to mail me a loaner to copy. This could make the $600 Nacra 5.0 worthwhile but is also not as simple since the shape is important especially at high speeds. Do plans exist for the 5.0/5.7 rudders? -
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Posted: Mar 02, 2019 - 06:14 AM
There probably is nothing wrong with making wooden boards. Texastuma's tornado is all wood with wood boards
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Captain Chris Holley
Fulshear, TX
'87 Prindle 19 "¡Hijole!"
'74 sunfish "1fish"
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Posted: Mar 02, 2019 - 03:19 PM
Wonder of anyone has tried making castings. Wouldn't be complicated either.
So $500-$600 is ok depending on condition without rudders? -
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Posted: Mar 02, 2019 - 07:58 PM
I just finished a pair of wood rudders for my H17. Kind of an experiment to see how they do. Cost $20 for a suitable size piece of sapele which is denser than mahogany. The other I cut from an old mahogany force 5 dagger board. Took a couple hours to shape and sand. Contour is easy to replicate with a profile gauge. Both are lighter and stiffer than the original rudders. -
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Posted: Mar 02, 2019 - 09:56 PM
There are a couple of good threads here where sailors have built their own boards. With the proper skill set, & a board to copy, it would be a fun project.
Castings? I think your nukkin futz. It would be way more productive to buy a set of H18 rudders, change out one gudgeon, & have a proven set of easily retractable rudders.
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Hobie 18 Magnum
Dart 15
Mystere 6.0XL Sold Was a handful solo
Nacra 5.7
Nacra 5.0
Bombardier Invitation (Now officially DEAD)
Various other Dock cluttering WaterCrap
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Posted: Mar 02, 2019 - 11:30 PM
I meant making the gudgeon/tiller assembly. I have access to a machineshop and other fabrication equipment so all I will spend is time and not so much for materials. May be better that 125 per each gudgeon.
Anyone have a spare blade that i could borrow?
