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PostPosted: Wed Sep 22, 2021 11:10 pm 
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Site Rank - Deck Hand

Joined: Wed Sep 22, 2021 11:03 pm
Posts: 7
Hi all... newbie cat sailor here. Bought an 86, fixing it up. I read the info on the hull issues around the crossbars, and seems like the reinforcement is a good idea.

I'll be sailing on the SF Bay at least some of the time, so it'll get bounced around, and I have the wings.

I looked for the anchor plate part 64100001 but Murrays says its not being made anymore on their site, and didnt see any other sources.

Anyone know where to get?

thanks

Ben


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PostPosted: Thu Sep 23, 2021 9:13 am 
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Site Rank - Old Salt

Joined: Mon May 09, 2005 10:25 am
Posts: 4036
Location: Jersey Shore
Has been discussed occasionally in recent years. I think the feedback was that Hobie is out of stock and has no intention of producing more due to low demand/discontinuation of the Hobie 18. So unless you happen to find a dealer with old stock or can scavenge an old parts boat, you’re probably SOL.

You can still beef up the hulls by adding fiberglass patches inside, but it is a fairly involved process to do that.

sm


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PostPosted: Thu Sep 23, 2021 11:53 am 
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Site Rank - Deck Hand

Joined: Wed Sep 22, 2021 11:03 pm
Posts: 7
ah bummer! Will the FG internal repair work nearly as well? I can start looking for the anchor plates, just not sure how critical they are. Almost could have a metal shop make something, right? Anyone know how thick these anchors are?

I have some experience with composites, so that should help. Maybe the anchors could be molded out of FG, like laid up on the boat as a form with mold release?


thanks

Ben


Last edited by skinnydoc on Sat Sep 25, 2021 1:39 pm, edited 1 time in total.

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PostPosted: Thu Sep 23, 2021 12:52 pm 
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Joined: Wed Sep 22, 2021 11:03 pm
Posts: 7
I'm not seeing any of the images on any of these pages, is it a browser setting perhaps? I'm using google chrome on a laptop.

thanks

Ben


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PostPosted: Thu Sep 23, 2021 1:27 pm 
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Joined: Mon May 09, 2005 10:25 am
Posts: 4036
Location: Jersey Shore
Matt from Hobie has said in the past that the internal patch is all that’s needed and the anchor plate is just extra insurance. IMO, the anchor plate is doing the majority of reinforcing because it is connecting the deck flange to the side of the hull, which is not the case with the internal patch. I haven’t measured one recently, but I think the anchor plates are around 0.060-0.080 thick. I like the idea of molding a composite plate using the hull as a form. Carbon would be the material of choice for that.

sm


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PostPosted: Sat Sep 25, 2021 1:44 pm 
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Site Rank - Deck Hand

Joined: Wed Sep 22, 2021 11:03 pm
Posts: 7
Good news, I was wrong and the anchor plates are at the shouds and the forward outboard crossbar connection points! The previous owner DID know what he/she was doing.

Looks like I cant get any more anchors, but should I still consider glassing the inboard forward point, and the in/outboard in the aft crossbar area?

thanks

Ben


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PostPosted: Sat Sep 25, 2021 2:21 pm 
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Joined: Mon May 09, 2005 10:25 am
Posts: 4036
Location: Jersey Shore
Check up under the hull flange for cracks extending forward and aft from where the anchors seat against the hull. Look at all of the connection points, inboard/outboard, forward/aft. Light, hairline cracks in the gelcoat are normal, but anything more significant is cause for concern. If the hull is cracked, I would fix it. If no cracks, I wouldn't worry too much. Adding the fiberglass patch is good insurance, but if the hulls are solid and no cracks have formed after 30+ years, then it's probably fine.

sm


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PostPosted: Sat Oct 09, 2021 8:46 am 
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Site Rank - Captain

Joined: Sun Feb 22, 2015 8:27 pm
Posts: 129
Location: FL
With the age of the boats now, we have been seeing more of them splitting the rear beam deck as well. You need these plates everywhere. I dont think the patch does much but seal the hull from leaks if the flex splits through the hull.


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