Nacra 5.0 Shroud Length :: Catamaran Sailboats at TheBeachcats.com

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Nacra 5.0 Shroud Length

leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: Jan 28, 2016 - 10:14 PM

As one of my winter projects for the 5.0 I'm making up new standing rigging (1 X 19, 5/32" wire). I have the factory pull to pull lengths for the bridle wires and forestay, but need the length for the shrouds. Does anyone have it?

Also, as shown above, much of the rigging I've seen around over the years has two nicropress sleeves at each thimble. Are two really necessary or is the second merely an unnecessary manifestation of OCD?

Note that this will be my first attempt at making up rigging from scratch. Any advice would be greatly appreciated (particularly jig setups etc. to make certain the shrouds come out the same length).

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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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mhirte

Rank: Lubber

Registered: Sep 09, 2013

Last visit: Jun 01, 2022

Posts: 26
Posted: Jan 29, 2016 - 02:09 PM

Can't comment on the shroud length as I have a "custom length" mast. Will advise you that the second crimp is absolutely necessary, and both should look perfect. Tried to build my own and did a bad job with the backup crimp. The first sleeve was perfect so I thought it would be OK. Mast came down at first strong breeze. I will be buying finished standing rigging from here on out.

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Mark Hirte
Nacra 5.0 1983 - (1st cat)
Deerfield, Il
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Edchris177

Rank: Chief

Registered: Nov 26, 2009

Last visit: Aug 10, 2024

Posts: 2531
Posted: Jan 29, 2016 - 05:36 PM

Quote Are two really necessary

YES! Don't even think about single swaging a shroud.
I have a 5.0 mast in the basement, fully rigged, & will measure it next time I'm up at that house.

Do you have a proper swaging tool?
those little toy things you force together with a bolt are OK for thin wires, that don't carry much load, for what you are doing you need the proper tool. West Marine usually has the tools chained to a bench, they charge for the bits & pieces.
DO NOT attempt to make your shrouds as your 1st try at swaging. Spend a few $ on fittings & actually try making some loops/thimbles, it's harder than it looks to get the loops tight, & have no meat hooks hanging out.
But why bother? I just had a brand new complete set of rigging built for an H18. Most of the fittings are marine eye/fork, they cost quite a bit more due the cost of the fittings themselves & hydraulic swaging. The bill was $422 CDN, appx $300 USD. By the time I purchased the wire/forks/eyes I've almost spent that amount.

--
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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leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: Jan 29, 2016 - 07:13 PM

Thanks Mark and Ed.

Measured my shrouds today:

Shroud 1: 20' 5-5/8"

Shroud 2: 20' 5-1/4"

Edchris177Do you have a proper swaging tool?

I don't, but am planning to buy this tool for the job:

http://www.apsltd.com/oval-sleeve-tool-wire-cutter-1-16-3-16.html

Edchris177DO NOT attempt to make your shrouds as your 1st try at swaging.

I plan to burn a number of "extra" ovals on old wire until I'm pleased with the appearance as well as the crimp final width dimension which determines the integrity of the swage.

https://www.youtube.com/watch?v=cBlcZIi_3Rs

https://www.youtube.com/watch?v=RfLY6mOBzJ0

Edchris177But why bother?

There are a number of folks in my local club that need to replace their rigging. I think this tool will get a good bit of use.

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--