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| “84 boom questions http://www.hobie.com/forums/viewtopic.php?f=14&t=62110 |
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| Author: | Ralph1984 [ Mon Jan 29, 2018 7:59 am ] |
| Post subject: | “84 boom questions |
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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| Author: | hrtsailor [ Mon Jan 29, 2018 10:08 am ] |
| Post subject: | Re: “84 boom questions |
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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| Author: | TiberiusGV [ Mon Jan 29, 2018 11:05 am ] |
| Post subject: | Re: “84 boom questions |
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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| Author: | HobieMarty [ Mon Jan 29, 2018 1:49 pm ] |
| Post subject: | Re: “84 boom questions |
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.  Sent from my SM-G955U using Tapatalk |
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| Author: | Ralph1984 [ Mon Jan 29, 2018 3:10 pm ] |
| Post subject: | Re: “84 boom questions |
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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| Author: | Ralph1984 [ Mon Jan 29, 2018 3:43 pm ] |
| Post subject: | Re: “84 boom questions |
Here’s a pic 
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| Author: | srm [ Mon Jan 29, 2018 3:46 pm ] |
| Post subject: | Re: “84 boom questions |
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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| Author: | HobieMarty [ Mon Jan 29, 2018 3:54 pm ] |
| Post subject: | Re: “84 boom questions |
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.   Sent from my SM-G955U using Tapatalk |
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| Author: | Ralph1984 [ Mon Jan 29, 2018 4:04 pm ] |
| Post subject: | Re: “84 boom questions |
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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| Author: | HobieMarty [ Mon Jan 29, 2018 4:46 pm ] |
| Post subject: | Re: “84 boom questions |
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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| Author: | Ralph1984 [ Mon Jan 29, 2018 5:14 pm ] |
| Post subject: | Re: “84 boom questions |
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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| Author: | cpnsoo [ Tue Jan 30, 2018 12:37 am ] |
| Post subject: | Re: “84 boom questions |
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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