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Forums / Technical / New standing rigging  
The discussions for this thread include the following:

Posted: 30 Apr 2013 at 9:05pm
My wife, Nene Wolfe, and I are replacing the (apparently) 40 year old standing rigging on Moonshadow (#173).

We sent the old shrouds, stays and tangs to a professional rigging shop for replacement. The riggers have now contacted us and stated that the tangs for the lower shrouds, that attach to the mast via a bolt on the spreader bracket, have been "scandalized" and that there is not enough clearance between the bolt hole and the bracket that receives the spreader to fit the tangs that are available.

They therefore suggest that we drill a hole through the mast and attach the tangs for the lower shrouds below the spreader bracket (see attached drawing).

The old tangs were definitely twisted and pulled out of shape, but abandoning the strength of the spreader bracket for the non-reinforced mast wall seems like a weaker solution.

If anyone has had a similar tang problem and come up with a skookum fix we'd sure like to hear it. Thanks for any suggestions.

Phil Reeves

Posted: 01 May 2013 at 7:04am
Hi Phil, what is the name of the rigging company. I'm headed in that direction in a coupe of weeks. Thanks
Clinton Hodges
Windswept too
Anchorage Ak

Posted: 01 May 2013 at 12:37pm
We are dealing with Port Townsend Rigging.

Posted: 01 May 2013 at 1:59pm
Thanks, and I like the discussion on the thru-bolt set up for the shrouds but I'm not understanding what exactly the purpose of the sleeve, that Ron refers too, serves.
The mental stumbling block for me is that the shrouds pull under tension so what purpose would the internal tube serve? And it seems the spreaders would exert an inward pressure on the mast.
My mast is stowed away at the moment, and I think the tangs for the lower shrouds reflect the solution to your problem.

I can visualize the benefit of the shrouds being thru-bolted but not how this would have any impact on the spreader base is that the bolts to it are also thru-bolted.

I'm not an engineer and I could consult with my son who is an inspector for an engineering firm but he doesn't talk sailing...mainly bicycles though.

Clinton Hodges

Posted: 01 May 2013 at 5:11pm
Check out the rigger's sketch re the compression tube, and comments at http://www.dolphin24.org/moonshadow_standing_riggng.html

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