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Posts posted by Pascal

  1. Thx for the replies.


    Mr. C, I hope it won't delay my Porsche/Ferrari projects. Progress on this Alpine will be slow, because I've only just started searching for reference-material.


    But still, I made some progress. I succeeded in taking apart the entire model. Had to cut the glass parts in two, to remove them from the body :




    The hinges could use some extra details :






    But modifying these will prevent the lids from opening. Not sure yet if I want to do that.


    I don't want to respray the body, because it looks really nice. Will give it a couple of coats of clearcoat and polish it to a "Concours d'élégance" finish.


    The only flaws are these vertical moulds lines, not worth respraying the entire body IMO :




    The brake discs are a bit odd. The side that's visible is flat (like the 1/1 car) :




    The other side has these holes :




    I haven't removed the brake discs yet, because they are mounted in typical Bburago fashion. If you pull them from the plastic tabs, they'll never fit properly again.


    The brake discs have a diameter of about 19mm, might make new one with the lathe so I can salvage the plastic ones for another model.


    Plenty of things to think about. Meanwhile here's a nice video of a restoration. My model is also a 1600 S :







    • Like 4
  2. After seeing the wonderful builds of the Tamiya 1/24 Alpine's, I decided to make one myself.


    Not the 1/24 Tamiya kit, but this 1/16 diecast model made by Bburago quite a few years ago.


    Got this beauty for the great price of € 20 :










    Typically for Bburago are the opening doors, engine compartment and spare tyre compartment :




    Also typically Bburago is that not a single drop of glued is used, makes taking it apart a lot easier :




    The complete interior :








    Excellent base model to start with.





    • Like 5
  3. I knew I had heard of a similar problem, but it was a long time ago. Finally I remembered :


    About 30 years ago, I worked at a factory that made plastic faceted mirrors (used in motion-detection devices, the dectection beam "looks" into those mirrors to scan for movement) that were chromed or aluminized at another factory.


    I remember that after a few months we received a call from that other company, telling us that all workers had to wear gloves when handling the plastic mirrors (before they were chromed). They told us that some regulation stopped them from using a chemical that they used in the chroming process.


    Before that, fingerprints and things like dust were not a problem. But because they had to change the chemical, any contamination on the plastic was a NO GO.


    If your plastic wings were chromed before 1993, it's very possible that a same kind of chemical was used by Tamiya in the chroming process. What that chemical does is basically "eat" any grease and dirt, and it produces an ideal surface for the chrome to stick to, by leaving a sort of "film" or coating on the plastic.


    When that chemical was used on plastic, it was nearly impossible to remove it (at least in 1993) because no matter what they did the chemical kept sweating through any coating put on the plastic. A lot of cleaning products (like bleach) reacted with the chemical, and basically ruined the plastic surface for later treatment.





    • Like 3
  4. Indeed great that you found a way to solve the problem. Hadn't thought about using a ultrasonic cleaner, but it clearly works well.


    Can you ask your neighbour what kind of fluid he uses in his ultrasonic cleaner ?





    • Like 1
  5. Very nice work !


    For the tubing : I would use copper wire. A large diameter for the core and a small diameter that you wrap around the core. Secure both ends with a drop of CA glue. The tubing remains flexible, so you can bend it into any shape you want.


    Or you can go for this type of tubing. I would make that sort of tubing by wrapping very small strips of tape around a copper core.   :








    • Like 1
  6. I think that the gloss/yellowish residue - leftover from the chrome removal - has (and still is) reacted with the bleach.  This reaction causes the plastic to "sweat", and that gives you the result you see when you put on primer and the silver top coat.

    To stop the sweating of the plastic, I would try soaking the parts in brake fluid. Try it on a piece of chrome sprue first, the brake fluid should be able to remove the leftover residue and bleach from the chrome removal.

    • Like 2
  7. Wheel covers, part 2.


    Wasn't happy with the first modification, so I went a bit further. These are the covers for the rear wheels. Used the bolt to fix them in the chuck of my drill, about 1 mm of plastic was scraped off. (didn't use the lathe cause I don't want to put my fingers that close to the lathe chuck) :




    The ring was removed from the backside :




    Before :




    And after. Not there yet, still have to remove some plastic from the inside of the wheel, so that the cover can sit deeper inside the wheel :




    These are the covers for the front wheels. The modified cover is a lot thinner and the diameter is smaller  :






    To get the cover to sit deeper inside the wheels, I removed some plastic and filed the spokes one-by-one to about half the original size. A VERY therapeutic job ! (later on I'll add a new wheelnut and a ring with the bolts) :




    Before :




    Afer :




    Hope to do the other 2 tomorrow. It took about 3 hours to modify the first 2.





    • Like 2
  8. This model keeps fighting me all the way, but here's a little progress :


    The dashboard looked like this :




    Solido added sidewalls to the center console these were removed and some circles were added to the back of the dials :






    A lot of work goes into the modification of the body. Before :




    And after. I will need to add a couple more layers of white paint, then polish it :




    Big difference between the modified and the un-modified side :




    Solido put a grey circle around the number on the doors. This was not on the 1/1 car, so these were removed with a knife and a toothpick. The photo shows that I started on the right side  :




    The glass covers for the headlights were glued badly to the body. The covers also have some very ugly square pegs :






    I removed the pegs and the CA-glue with sandpaper, the one on the left has been polished :




    The glass cover fit very poorly because the inner parts are to big. The one on the left has been sanded to the correct size, quite a bit of plastic has been removed ;









    • Like 4
  9. On 5/13/2021 at 9:18 PM, Codger said:

    Can any Tifosi here explain to me, the whole 'oxygen bottle for driver' business on the 1:1 which Ron has painfully reproduced here?

    1. I would hate to drive anything at 160+ MPH with a compressed volatile gas tank inches from my head. (Held on by straps!).

    2. Said tank is also in proximity to a tank (maybe a bladder?) of race fuel. Ensuring a bigger KABOOM.

    3. If there is a wreck, the driver would need extrication, rather than oxygen I would think.

    Am I just a worry wart?? :mental:



    You called me Mr. C ? :)


    The tank wasn't filled with oxygen, but with "medical air". Medical air is sort of like ambient air and less volatile than pure oxygen. The tank was introduced in the late 70's, because accident investigators believed that not fires but lack of air killed drivers (or caused severe lung injuries like the Lauda accident). The idea was to let the driver breathe fresh air while he was waiting to be rescued from his burning vehicle. Some driver had helmets in which they could insert the tube from the medical air bottle, others had a kind of "skirt" on the underside of the helmet, the tube could be pushed underneath that skirt. The air was released from the medical air tank when the fire extinguisher system activated. After a few seasons, it was abandoned because of increased safety regulations. People like Sid Watkins played a major role in improving safety for F1 drivers.





    • Like 1
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