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narai mkiv beam bracket replacement
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I recently purchased a narai MKIV from the seventies. I have found that the brackets holding the beams in place are old steel and rotted out and I need to pull up all the beams and replace the steel…Continue

Started this discussion. Last reply by Adam Shuttleworth Oct 16, 2016.

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I am:
A home builder, I own a Wharram
What boat (s) are you building or do you own?
Narai mkIV
Country, City, and State?
islamorada florida
About me or us?
We are new to the wharram community, and are very curious about it all.
Looking to?
Find information on repairs/upgrades on my narai

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Comment Wall (4 comments)

At 11:52am on August 4, 2015, Dave Mundy said…

I have an older Tangaroa with beam brackets. post a pic of yours and I will compare it to mine. The hulls have a lot of flex so yo may be able to shim them up enough and replace them one at a time. Your are probably due to change the rubber mounts any ways, so might as well to that at the same time.  

At 12:19pm on August 4, 2015, dan said…
I posted 3 pics to the thread originally but mabe they didn't go through. I'll try again
At 8:01pm on August 5, 2015, Michael Cooke said…
I am faced with the samething you are.i think I have come up with a solution. I am thinking of using silicon bronze bolts with a bronze attachment over the top of the beam.the bolts will be 3/4 inch instead of 5/8 and they will be rubber padded only on the top.the side would be wooden shims and the bolts would be threaded top and bottom so as to be totally adjustable.the bolts going through the beam troth would rely on 5200 caulk sealant. If the fittings you have are installed like mine ,they are difficult to take apart. If you have a land line I could talk rather than ask my wife to scribe for me. this picture obviously is not me but our daughter who was raised on the boat.
At 3:10am on December 14, 2016, Big tane said…

G'day Dan.

I am Gerry on big tane. Please check out my profile as I have to do an refit on my tanenui 28.

The best advice is to contact James wharram and buy an set of study plans of your boat with lashings on the beams as what I have done so far. The next thing to think of is thus.

You may have to take out the old beam if its under the deck like on my boat then fill in the hole where the beam has gone through and glass over the patch. Then make cleats check on ytube videos to look at lashings and you will have some idear. If you are placing the beam on the deck or in an trough, the lashings will have to go on both sides of the hull. At this point it is worthwhile thinking are you widening the boat ? Do not widen too much as that will be an drop in height above the waterline. At this point is as much advice I can offer you.

Good luck and merry Xmas.

Gerry on big tane.


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