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Old 17 July 2012, 19:18   #1
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Help with an old 1987 Zodiac RIB

I'm new to the RIB thing and have always wanted one. I picked up a 1987 Zodiac rib with tubes that need a lot of help and a motor that may be too big. The fiberglass is in top notch shape all around.

These are the numbers from the hull tag - some numbers are corroded quite a bit. It was made in Canada.
Can anyone tell me what model this might be?
Type: 3619, 3819, or 3919?
Weight: 130 kg
Total Weight: 287 pound
Weight capacity: 600 kg
Max hp: 50
Serial no. xdc p40?1 h787

First off, is the motor too big for the boat? It's a mid-1980's Mercury 3 cylinder 70 HP. the hull reads max 50 HP, but is that because of weight or power restraints?

Secondly, I'm preparing to start getting the tubes sealed and refurbished. I want make sure I go about his in the right way. There's a medium-sized patch that is failing and the cones at the aft end of the tubes have many little pinholes. someone tried to repair it by coating the cones with some thing like the truck bed material (like rhino lining).

I plan on:
1) removing the tubes (already done)
2) removing bad patches and repatching inside and out
3) sealing the tubes with Inland Marine Sealant
4) Sanding off the bad job of painting it with some kind of rubberized paint
4) Refixing the seam tapes with 3m 5200 (the old glue is going to be hell to remove it, therefore the 5200)
5) Applying a coat of Inland Marine rubber paint in spots that need it
6) Paint it with a coat of Inland Marine Top coat

I'm not sure about how to reaffix the tubes to the transom though.

I'm also inquiring at a dealer to see what new tubes will cost. But there's got to be some company out there making aftermarket tubes, isn't there? Anyone have a good source? I'm in the San Francisco Bay Area, California.

Thanks for any input or thoughts!
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Old 17 July 2012, 22:44   #2
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Here is a cross reference of model numbers

Westport Marina, Zodiac Model Numbers and Years,

or here

Zodiac Nomenclature|Parts Schematics for Zodiac Inflatable Boats|Zodiac Nomenclature

Depending on the type of tube (PVC or Hypalon) you might just be better off getting new tubes. Provided you have the original tubes, even a hypalon boat from '87 will be pushing it even if the boat was cared for.

Provided the boat can carry the weight of the larger engine, there is no law that says you have to operate it flat out (and exceed the boat HP limit). Assuming that the motor has been on the boat for some time, it would seem that the boat can handle the larger engine.
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Old 18 July 2012, 00:46   #3
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Thanks much ssobol!

Unfortunately neither of those references go back to 1987.

I was thinking the same about the engine. I could just limit the throttle it if need be.

But tubes may be hard to get a hold of. Does anyone other than Zodiac make tubes that could fit? It's not rocket science and my Aunt Mayble could make a pattern from the old tubes - she just doesn't know how to heat weld PVC yet.
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Old 18 July 2012, 03:47   #4
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Polaris Inflatables in Canada, or Wing in Arcata could build a new set from the old. Would be somewhat pricey, I suspect.

Where are you planning on boating?

jky
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Old 18 July 2012, 08:05   #5
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Old rib

Do yoiu have any photos that you can post?

I had no issue geting tubes for my Zodiac rib and it is a 1989.
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Old 18 July 2012, 11:34   #6
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Without having seen the rhino lining and other BS attempts at fixing the existing tubes... I think you might just want to use them as a pattern so someone can replace them.
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Old 18 July 2012, 12:01   #7
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Thanks for the advice -

I should have also posted something on the BAdivign forum or the SF reefdivers forum. I've seen you around those boards as well. I'm going to try to get quotes from Arcata to see how much the tubes are from there.

I plan on using the RIB for a variety of purposes from family camping trips on Lake Sonoma to salmon fishing in the bay and out of Half Moon Bay and of course divng on the Sonoma and Mendocino north coasts and Monterrey too.

I played with the boat yesterday and found leaks only at one previous patch and in the cones. it hold air otherwise just great. But the baffles are gone and I wonder if there's any remedy for that (in case one seam separates, having enough flotation in the other chambers to get me back to shore at least.

I've put in a request for a quote from the local Zodiac dealer and so far it's been a week without word.

The quote I got last night from the RIB shop was:
$2809 tubes
$328 shipping
$609 VAT
________
$3746 total

Two other in the UK told me they need me to ship my current tubes over to make a template. That is probably cost-prohibitive.

But I'll see how well the boat does in inland conditions for a while after fixing the small leaks.



Quote:
Originally Posted by jyasaki View Post
Polaris Inflatables in Canada, or Wing in Arcata could build a new set from the old. Would be somewhat pricey, I suspect.

Where are you planning on boating?

jky
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Old 18 July 2012, 12:02   #8
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I need to take pictures of the whole process and post them. Where did you get your tubes from?

Quote:
Originally Posted by cgoing View Post
Do yoiu have any photos that you can post?

I had no issue geting tubes for my Zodiac rib and it is a 1989.
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Old 18 July 2012, 12:04   #9
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I think you are right. Maybe I'll try to use the boat in calm conditions for as long as I can until I can get new tubes.

Quote:
Originally Posted by captnjack View Post
Without having seen the rhino lining and other BS attempts at fixing the existing tubes... I think you might just want to use them as a pattern so someone can replace them.
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Old 18 July 2012, 12:22   #10
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I just got a quote from Wings in Arcata to replace the tubes for about $10,000 ($2k for template design and $8k for 17-foot tubes). Probably a bit cheaper for 14-foot tubes, but still - ouch! I understand that the product is a great one, but that's a bit steep for my personal wallet.

Quote:
Originally Posted by jyasaki View Post
Polaris Inflatables in Canada, or Wing in Arcata could build a new set from the old. Would be somewhat pricey, I suspect.

Where are you planning on boating?

jky
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