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 Post subject: “84 boom questions
PostPosted: Mon Jan 29, 2018 7:59 am 
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Site Rank - Deck Hand

Joined: Mon Jan 29, 2018 7:30 am
Posts: 5
Hi everyone. I picked up an ‘84 last fall an have been gradually getting it ready for spring. I’ve a couple of questions regarding the boom. I assume it’s priginal. Has the old Seaway double tangs.
About 2.5 feet back of the gooseneck is another tang (smaller than the aft tangs). What’s it for? About 6 ft back there are two plastic cleats on each side. What are they for?
Thanks,
Ralph


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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 10:08 am 
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Joined: Fri Oct 17, 2008 2:21 pm
Posts: 324
Location: Winston Salem, NC
I believe what you describe is for a boom vang, a line that would go from that attachment down to the base of the mast. I know some of the H-16 booms had that but don't think they ever used the vang. The purpose of the vang is to keep the boom from rising when on a reach or a run. I used to sail a Cape Cod catboat (monohull) with a very large sail. On a downwind run there was a danger of the boom going almost vertical, then crossing over and refilling with air with a lot of force. It is called a gull wing jibe. The trouble was you couldn't put a boom vang on that boat because the boom was too low at the mast.

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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 11:05 am 
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Joined: Mon Jun 25, 2012 9:56 am
Posts: 110
Location: West Michigan
I knew that attachment point was for a vang, but always assumed that it was not needed because its a catamaran and the rear traveler, even when let out for down wind, can go significantly further port or starboard than a mono-hull of comparable sail size.

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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 1:49 pm 
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Joined: Wed Nov 02, 2016 4:35 am
Posts: 219
Location: Opelika/Lake Martin, Alabama
I have a 1984 model also, but it doesn't have anything like that on the boom. The boom is original to the boat and has the old Seaway 5:1 set up, but nothing close to the mast. Wonder if there was a change sometime in '84, or maybe you have an older model?
Here is a pic to show what I am talking about. Image

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Marty
1984 H16 Yellow Nationals, "Yellow Fever"
Lake Martin, 'Bama.


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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 3:10 pm 
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Joined: Mon Jan 29, 2018 7:30 am
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Mine has alum mast and tramp frame. But boom is black. Came with sails, org and yel, that are 84 (state registration says 1984). But sail number is 17, so I assume they were a race issued set. I’m gonna try to get photos posted.


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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 3:43 pm 
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Joined: Mon Jan 29, 2018 7:30 am
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Here’s a pic
Image


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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 3:46 pm 
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Joined: Mon May 09, 2005 10:25 am
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Location: Jersey Shore
It is a boom vang tang. They were never really used for the reasons discussed above with the major drawback being that if you forget to release it during a jibe, bad things happen. The other drawback is that the tang is a metal piece that hangs down from the boom, ready to scrape the crew’s head if they don’t duck low enough. Drill out the rivets and take it off - your crew will thank you.

Not sure what the other cleat is for. Definitely not stock. Maybe used as part of a reefing system for the mainsail.

sm


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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 3:54 pm 
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Joined: Wed Nov 02, 2016 4:35 am
Posts: 219
Location: Opelika/Lake Martin, Alabama
Here is a pic from my Hobie 16 Assembly Manual. For what it's worth, I am also including a pic from Royce's Sailing Illustrated that shows the boom vang thing. As recommended, I would just remove the thing. ImageImage

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Marty
1984 H16 Yellow Nationals, "Yellow Fever"
Lake Martin, 'Bama.


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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 4:04 pm 
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Joined: Mon Jan 29, 2018 7:30 am
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I’ll yank it. It’s pretty useless and a great way for the crew to need a couple stitches on the back of the head.


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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 4:46 pm 
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Joined: Wed Nov 02, 2016 4:35 am
Posts: 219
Location: Opelika/Lake Martin, Alabama
I wonder if the cleats on the side of your boom could be for the outhaul adjustment? I've only seen the outhaul cleat mounted to the underside of the boom but I don't see one on yours.

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Marty
1984 H16 Yellow Nationals, "Yellow Fever"
Lake Martin, 'Bama.


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 Post subject: Re: “84 boom questions
PostPosted: Mon Jan 29, 2018 5:14 pm 
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Joined: Mon Jan 29, 2018 7:30 am
Posts: 5
The stainless outhaul cleat is there. The plastic cleats lock onto line pulled to the aft end - just the opposite of the outhaul.


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 Post subject: Re: “84 boom questions
PostPosted: Tue Jan 30, 2018 12:37 am 
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Joined: Mon Sep 15, 2014 12:34 pm
Posts: 115
Location: Hartland, WI
With the 84 on up the vang bracket was left off and the outhaul cleat is no longer stainless, but plastic instead.

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