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  Topic Review (Newest First)
08-10-2016 10:39 AM
MikeOReilly
Re: Rafiki 37 owners out there?

I replaced a tansducer. I couldn't say if it was original install. Some of the thu hulls are clearly in the solid glass zones ... perhaps all that are under water. I honestly have not given it much thought. I'd say that unless your hull has suffered serious damage, there's not much to worry about there.

Screwing teak into the deck was the standard way things were done. All boats of this vintage did it this way, which is why they are sometimes (affectionately) known as 'leaky-teakies.' It's just something to maintain and deal with. So far my deck seems fine.

My leaks are due to poor stantion installation and other deck hardware. I suspect these are not original installs.


Why go fast, when you can go slow
08-10-2016 09:41 AM
AGS
Re: Rafiki 37 owners out there?

Thanks Mike, your information is very helpful. Did you find it odd that the through hulls were not done in areas of solid fiberglass?

The rafiki I am interested in does have teak decks but they are surprisingly well kept. Interesting to hear the teak is screwed directly into the deck. The boat I'm looking at seems to be in good condition with only one unknown source of leaks. This leak is under the port side companionway bulkhead behind you if you are facing the sink. The current owners think it is from a leaky cockpit scupper. Have you ever had a similar issue?
08-10-2016 12:47 AM
MikeOReilly
Re: Rafiki 37 owners out there?

I don't know if any were constructed differently. There are minor variations in the interior, to do with having a pilot berth vs more cupboard storage above the stbrd settee. Other than that I have no info on different hull layups, for example. The plans I have, which came from the designer Stan Huntingford, clearly show an airex core. I replaced an old transducer and observed the core. As I say, it doesn't wick moisture like balsa, but I epoxy-sealed the area when I did my job. The hull was very thick, and the core is quite thin relative to the glass.

Decks are also quite thick as is the cabin. Not exactly sure about deck, but I just drilled a hole through my cabin and it is ~1.25". Decks would be thicker. Any boat of this vintage will likely have some water intrusion into the balsa core. I know ours does in places. It's so over-built that I can't really tell by the normal mean (squishiness, or deck deflection)... the downside of this is that I'm not strongly motivated to do any major deck repairs. Some day...

Ours also has a ss water tank. The blueprints say 200 gallons (400 litres), but I have no gage on the tank so I'm not 100% certain. It's big though. Diesel tanks are black iron. Ours were pressure tested before we bought, and the fore tank was leaking. It was decommissioned. Luckily the larger aft tank ~55 gallons is fine. Not sure whether to expect this one to go one day. Will be a major project to deal with. My research has found no clear answer on the likelihood of problems.

Other stuff... nothing really comes to mind that wouldn't be common for all older boats (wiring, plumbing, decks, rigging, etc) . No problem with our deck re mast compression, but it is something to look at.

Oh, does this one have a teak deck? My blueprints call for teak decks, and this is what ours has. I believe ours was re-done by a previous owner b/c of the excellent shape it is in, but some Rafikis have had their decks removed entirely. Given that they are screwed into the fiberglass to the balsa core (and hence a likely source of water intrusion), I can see why people take them off. Personally, I love our teak deck, and will work hard to maintain it.

I'm currently sailing Lake Ontario. Our plans are to sail down the St. Lawrnce next season to Newfoundland. After that, who knows. From what I can tell, most Rafikis reside on the west coast. Makes yours a rare find indeed.


Why go fast, when you can go slow
08-09-2016 10:47 PM
AGS
Re: Rafiki 37 owners out there?

Mike, thanks for your response. Are all these boats made the same way? I have been looking at this design for quite some time and there is no doubt that they are well constructed, well designed, and good sailors.

I would love to look at your blueprints! as I am curious about the fiberglass lay-up especially because the through hulls seem to go through the foam core. I assume this isn't a major concern if the fiberglass schedule is thick enough? The boat I am interested in also has minor cracks in the cabin top, raising concerns about rot in the balsa core. but I am not sure if the cracks are superficial and just in the gelcoat or if they have allowed water intrusion. I assume there is also thick glass on the cabin top? The boat also has s.s. water tanks but black iron diesel tanks with no reported issues. I assume they are original. 1994 yanmar 50 hp 1400hrs.

My main concerns are in the core having absorbed water via through hull/deck fittings. Anything else I should pay attention to/ weak points (relative to the rest of the boat)? i.e. deck compression at the mast base etc.

Where are you cruising Mike?
I am in New England, wondering if anyone else out there is east coast?
08-09-2016 07:17 PM
MikeOReilly
Re: Rafiki 37 owners out there?

Hi AGS. Rafiki's are great boats. Very well constructed, well designed, and good sailors to boot (surprisingly so given their displacement and full keel design).

I own copies of the design blueprints, and I could share them with you, but I'm out cruising right now so can't do it right now. I can tell you the hull is very thick, but airex cored below the waterline down to the bilge. It becomes solid going into the lower bilge and around the encapsulated keel. Airex is a type of foam that won't wick up water the way balsa does. I've never heard of any hull problems with Rafikis.

Deck is standard balsa core, but it is very thick.

If you have other questions I can try and help. My net access is limited, but I try and check in every day or so.


Why go fast, when you can go slow
08-09-2016 06:36 PM
AGS
Re: Rafiki 37 owners out there?

I know this is an old thread but I am in the process of seriously considering purchasing a 1978 rafiki 37. can any one give any detail in the construction of the hull and deck?/share any plans they may have? The current owner suggests that it is solid glass below the waterline. Thanks you
02-03-2016 05:00 PM
kunkwriter
Re: Rafiki 37 owners out there?

I met a guy while on the hard at Berkeley who used to work at Svendson's boat yard in Alameda rigging all the new Rafiki's when they came in. He told me about a contractor who customized a couple of them as presold. That could explain your photo and the bowsprit. Looks like a Rafiki 37.
02-03-2016 03:04 PM
MikeOReilly
Re: Rafiki 37 owners out there?

Ours is stamped on the stern deck between the boomkin, as well as in the sail locker (port side). I think the boats were semi-custom. Maybe yours was more so...?


Why go fast, when you can go slow
02-03-2016 02:50 PM
Natatale
Re: Rafiki 37 owners out there?

Quote:
Originally Posted by MikeOReilly View Post
You got me Natatale. Looks like the Rafiki insignia (squiggle), but it's not a standard 37 for sure. As far as I know they were not built with bowsprit. Odd...

Can you find the HIN?
That's the other thing where would I find the HIN ??, I have looked in all the normal places.
02-03-2016 12:24 PM
MikeOReilly
Re: Rafiki 37 owners out there?

You got me Natatale. Looks like the Rafiki insignia (squiggle), but it's not a standard 37 for sure. As far as I know they were not built with bowsprit. Odd...

Can you find the HIN?
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