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Old 23 May 2012, 00:10   #1
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Zodiac MKII C GT - Transom Repair

Hi All,

I recently purchased this Zodiac and I am about to embark on a transom repair. Here are a few pics of the boat so you can all see what I have to work with.















I have the tools, the space, the time and the practical knowledge to repair this boat and I will be posting photos and details on the repair.

My next step is to set it up in the garage and lay it all out to see exactly what's there and what I need.

I will be asking some questions in regards to materials required and I welcome any advice on the repair.

Cheers.
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Old 23 May 2012, 13:09   #2
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Plan on doing the entire floor! I would assume it is a PVC boat? If so the tubes are thermo welded and generally do not fail. The floor and transom are glued on and if one failed, the other is not far behind. I went through all of this a couple of years ago. It took over 40 hours of work and fortunately the weather cooperated, since temperature and humidity are critical with the two part glue used. I went through 2 quarts of glue.
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Old 23 May 2012, 14:30   #3
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Nice project! I did the same thing on a zodiac dingy and referred to this guide and all went well!

Zodiac Dinghy Transom Repair Polymarine Paints, Adhesives, Parts & Accessories
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Old 23 May 2012, 18:42   #4
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Quote:
Originally Posted by Peter_C View Post
Plan on doing the entire floor! I would assume it is a PVC boat? If so the tubes are thermo welded and generally do not fail. The floor and transom are glued on and if one failed, the other is not far behind. I went through all of this a couple of years ago. It took over 40 hours of work and fortunately the weather cooperated, since temperature and humidity are critical with the two part glue used. I went through 2 quarts of glue.
Thanks for the advice, I will inspect the floor but like you said if the transom has failed the floor can't be far off either.

Would it make sense to do the floor first and then do the transom?
Again - thank you for your input, much appreciated.
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Old 23 May 2012, 18:56   #5
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Quote:
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Nice project! I did the same thing on a zodiac dingy and referred to this guide and all went well!
Zodiac Dinghy Transom Repair Polymarine Paints, Adhesives, Parts & Accessories
Thanks for the link TomKat some good info there, I have copied the steps and pasted them below for anyone that may be interested:


1. Zodiac Transom and transom fittings which were removed by hot air gun.


2. Transom and single part Hypalon which is used to prime the wood of the transom prior to final glueing with PVC two part adhesive.


3. Removing old glue from Zodiac inflatable with power tool.


4. Removing rowlocks (which were also coming un-stuck) with hot air gun.


5. Rowlock removed.


6. Rowlock after cleaning, also primed with Hypalon single part because fitting is made of rubber.


7. Removing old adhesive from base of transom.


8.* Single part adhesive and cut down brush ready for priming.


9.* After priming* & 8211; 2 part PVC adhesive and brush ready for final gluing.


10. Transom with side fitting glued.

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Old 23 May 2012, 18:56   #6
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11. Zodiac Dinghy Floor prior to cleaning off old glue.


12. After final gluing to tubes transom strapped tight for 48 hours.


13. Gluing floor to base of transom.
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Old 23 May 2012, 21:25   #7
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Can anyone tell me what year this boat is? Is it 80's or 90's?
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Old 27 May 2012, 17:37   #8
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I take it you don't have the transom ID plate - the year of manufacture is there. Looks mid-80s to me. Earlier Zodiac GTs didn't have the rubbing strake around the sponsons.

On mid 80s Zodiacs, the tube seam runs under the rowlocks and lace cuff. Later 90s models, the seam ran under the sponsons. More of an issue in hot climates - as these models didn't have pressure release valves, and in hot climates like your own and the west coast of the US, they were prone to rupture. Take a look at the end cones - they can leak there too where they join the sponsons.
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Old 29 May 2012, 21:01   #9
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Hi All,

Finally inflated the boat for the first time last night and the tubes are in good condition. Happy with that!

The floor on the other hand is coming away so my first job will be to remove it with a heat gun, clean all surfaces and re-glue the floor down.

Please excuse the crappy phone pics!

Cheers.
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Old 29 May 2012, 22:44   #10
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Quote:
Originally Posted by Peter_C View Post
I would assume it is a PVC boat?
Peter,

I am not sure, how do I tell? Can you tell from looking at the pics I posted?

Do I get a bit of acetone on a rag and dab a spot on the tubes to see if it goes tacky/sticky? If it goes tacky does that mean that it's PVC?

Cheers.
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