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Tue, April 20 2021, 05:17Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: [1]2345678910 ]

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Date Posted: - Thursday - 07/ 5/12 - 9:04am
Author: Paul M31 # 106, nj
Subject: New tensions
In reply to: Terry Kelly 's message, "I think I've got it" on - Wednesday - 07/ 4/12 - 4:10pm

When you checked the tensions with the door sticking after a few days, were they already less than what you set them at - you say between 650 and 700lbs each?

Also, when you reduced them by 50 lbs at a time - what did you end up leaving them at where the the leewards would go somewhat slack on a 10kt beam reach?

It would be interesting to compare numbers - I have a loose gauge on board as well.

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[> [> [> [> [> [> [> Rigging tension/deck compression -- Bill Miller, - Thursday - 07/ 5/12 - 5:21pm

Hi Guys,
This is a great discussion and I mostly agree with Paul on a compromise between shrouds being too slack and too tight that would cause deck compression. I kept tightening mine over and over until finally had to go for more support. Refer to "completed projects" main mast support. I chose to copy Bruce Allen's version of the T flange stainless beam. Quite a project but works like a dream. No sticking of head or locker doors while only losing 1 1/2" of headroom in the doorway. I feel I've got it dialed on Natsukaze and agree with Bill on just taking up a little on the leewards while reaching in 10kts. I don't have a guage but would also be very interested in your final numbers on the tension.

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[> [> [> [> [> [> [> [> T-Flange -- Bruce (M31#95), - Thursday - 07/ 5/12 - 6:22pm

I have more photos of my mainmast support beam, as it has been updated, even since Randall wrote the article. Email me if you want additional information on my installation. Bill is right - it works like a dream, and makes tuning the rig easy.

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[> [> [> [> [> [> [> Loos numbers -- Terry Kelly, - Monday - 07/ 9/12 - 8:38am

I ended up with the Loos gauge reading 25 for the 7/32 wires.

After a week, they are still there, and yes, on a beam reach in almost exactly 10kts, there was slack in the leewards.

The head doors still do not stick but the door to the hanging locker does need attention at the forward-most point. There's a little hump there which needs flattening, and then we'll watch it.

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