murramor
Sr. Member
Posts: 123
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« on: September 09, 2008, 02:55:15 am » |
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I have small tears and chips in in all four wing panels. I think the previous owner must have used a 'sonic' parking technique and only stopped when he heard the 'crunch'. I have 2 questions... From what I read on the web, epoxy resin sticks better than polyester although it is more expensive. So I am guessing that it may be stronger for small repairs around the lips of the wheelarches. What is the group consensus on which resin to use? If I remove the rear wings does the glass have to come come out of the small rear windows? Presumably the adhesive is mainly at the area near the top of the panels and around the windows. Is it hard to get the panel unstuck once all the rivets are out?
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Ron Murrell Sydney, Australia
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murramor
Sr. Member
Posts: 123
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« Reply #2 on: September 09, 2008, 10:59:04 am » |
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It is very difficult to remove the rear wings, so if the tears are only around the wheel arches, I would definitely leave them on. - Anders
I have rust in the chassis above the trailing arms and I would like to see the extent of the damage properly if I can. The rust that I can see could be repaired without removing the wings and sills but it would be easier if I could. I remember how hard it was to remove some panels from my Bagheera so I believe you when you say it is going to be difficult! If I have to give it a go, will I have to remove the side window glass? Probably, in Europe, my car would be scrapped and used as a spares car (the car you broke for spares recently looked to be in much better condition than mine). Luckily it is here and so it will be saved even if the cost of doing so will far exceed its value in Europe. There are about 20 million people in this country who have never seen, let alone heard of, a Murena so that alone makes it worth saving.
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Ron Murrell Sydney, Australia
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Anders Dinsen
Administrator
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« Reply #4 on: September 09, 2008, 12:37:43 pm » |
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... If I have to give it a go, will I have to remove the side window glass?
You will probably find that the metal lip just below them is also rusted and will need attention. You will need to use a blade between the body and chassis around the tailgate opening to break the mastic seal. I agree - mine has rust exactly there. I have had a repair done now from within the wheel arch. It was NOT easy (thanks moes!), and we have not even attended to the rust in the lip under the windows, or in the engine room, which I will need to do something about at some point. I appreciate your reasons to restore your car, Ron - you are doing it the right way. - Anders
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1982 Talbot Matra Murena 2.2 prep 142 2017 BMW i3 "Charged Professional" 94Ah
Used to own: 2001 Renault Matra Grand Espace "The Race" V6 24v 1997 Renault Matra Espace 2.0 8V 1987 Renault Matra Espace J11 2.2
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krede
YaBB God
Posts: 1172
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« Reply #5 on: September 10, 2008, 07:46:49 pm » |
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The panels are BLOODY hard to remove intact.. They were never meant to be removed.. Proof?? Matra made a fibre glass repair piece to repair the wing while it is still on the car!. Hans and I spend a couple of hours trying to remove a rear wing from Waldo's spare parts car... In the end I gave up.. It CAN be done (Hans has removed the wings from his Bagheera),but chances are that you will end up cracking the fibre at some point. The best way to go about it, is by carefully heating the edge that has been glued, and then, like Roy said, cut along it with a thin blade. The key word here is PATIENCE!!, taking the time, and having a nice place to do the work.. preferably somewhere indoors... with a radio.. and access to plenty of cold beer... (mind your fingers though)
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« Last Edit: September 10, 2008, 07:50:40 pm by krede »
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suffolkpete
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Posts: 544
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« Reply #9 on: September 11, 2008, 08:24:09 pm » |
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I've had a search round and found a few back issues. The series consisted of twelve articles starting in April 2005, but is pretty unhelpful on the subject of taking it apart, it simply says that they prised the panels off until the glue let go, no mention of applying heat, although that sounds like a good idea to me. Another point , which may be of interest to Titus, was that the panel repairs and painting were done by a firm called Option 1 of Bromsgrove, Worcs, at a cost of £2500, although that was with the panels off the car. Don't know what sort of a job they made of it, but the car is now owned by a MECUK member, so someone must be familiar with it. May have been a special price, of course, in return for publicity.
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bist
Newbie
Posts: 10
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« Reply #14 on: September 13, 2008, 02:29:27 pm » |
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Yes you are right,epoxy does stick better and its stiffer to. The good thing about polyester is that is cheap, but has tendency to dry up and absorb for a few reasons (shrinkage) and works only with glass fiber. Its more evident on bigger areas, and for small cracks it is much important to use good and adequate fiber. Some hints, use twill fiber, glass or carbon, of less g/m2 applying few layers on both sides of crack. The biggest problem is air which get traped inside, so got to be careful. Have you worked with resins, do you need procedure info
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« Last Edit: September 13, 2008, 02:32:18 pm by bist »
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