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Roger Zimmermann

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Roger Zimmermann last won the day on January 17

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About Roger Zimmermann

  • Birthday 08/20/1945

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    Switzerland

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  1. The RH hood side panel is more or less ready. I still have to ad the pivot point for the spring at each aperture. When these details will be added, I will be ready to make the door’s installation. For the moment, I have to bring the LH hood side in the same shape.
  2. That's correct, the plates are from Switzerland. Neat vehicle!
  3. For the moment, the windsplits are unfinished as I wanted to do something larger: the hood’s sides. I cut two brass pieces, somewhat larger as the finished parts because that can only be done when the radiator grille and cowl are ready. It will take some time to get that… After making a flange at the top from both pieces, I began the holes for the ventilator doors. The positive die I used for the flanges is the right tool to get the proper dimension of the holes. I had the ides to make a guide of wood to locate the flange for soldering; if the first flange was correctly soldered, the next flanges will use an aluminum guide because the high temperature was not necessarily good for the wood! Now I can do the holes on the second hood’s side…
  4. @ Pat: Most of the time, I'm just using regular reading glasses. However, for most of the operations done on the windbreaks, I had to use also a magnifying glass usually used by watchmaker. @ Jeff: I don't really like exagerated titles (which are usual in your country!); I prefer factual statement. Thanks to both for your comments!
  5. I hope everybody is comfortable with the new title! The 15 windbreaks are more or less ready: I still have to file the sides to have a concave surface. As those parts were not good for the eyes, I will do something else in between.
  6. Martin, I asked West to modify the title with one of your suggestions: Roger's handcrafted 1:12 scale models Probably I will loose some followers because they will not see the originasl title anymore, but who cares?
  7. @ Randy: There is just isolation material between both firewalls. All electrical are inside the car. With the hood open, there is just a black flat surface to be seen. On the V-12 and V-16, both air cleaners are attached to the firewall which is just a stamped steel plate. @ Martin: Your sugestion is interesting! I cannot modify the title myself; I contacted West Peterson two days ago; maybe he will come with a suggestion. I don't intend to split the thread.
  8. The name Cadillac is giving for those tiny parts: “Windbreak, hood panel ventilator port”. 15 pieces are in work now; in case something goes bad with one, a spare is always welcome! The location pins are silver soldered, the threaded hole for the “bolt” is already done. As you can imagine, the hole is not very deep, about 0.8 mm or 0.03” for a screw diameter 0.5 mm (0.02”). What you see now is the side profile; the square element at the right is to maintain the part(s) in the vice for the next steps. It will be cut in due time.
  9. Yes, they are, not too much because of the "large" screw. The original parts are, according to the pictures, more concave. All is done with filing because nothing is parallel, to my dismay! I though to do something similar to the wheel cover's vanes from the Mark II; they were easier to do. Just the quantity was not fun...
  10. Amazing man? Maybe! Skillful? Probably when I'm reading comments from other people. Anyway, thanks for yours and your fidelity!
  11. Today, I received the piano hinge from Micro-Mark; I will not use it. The outside hinge diameter is 2 mm; the maximum I can "accept" is 1 mm or less. Don, the tubes you could get from the other store are also too large, the smaller one is also 2 mm. A supplier in Germany has what I need; I will buy one or two tubes and silver solder a proper tube's length on a base. That assembly, once reworked, will be soft soldered on the hood's sides and upper panels. I'm still unsure about how the hinges from the upper panels are functioning. It seems there is one piece inside another one; will ask either Alex D. or Johan for how this is done on original cars. Each ventilation door from the hood has a garnish molding acting also has a handle to open the door (each door is to open or close individually). I had a whole afternoon to imagine how I could do those tiny chromed parts. Then, how to attach them on the doors? To glue them is a no-go. I could also solder them on the doors and have the assembly plated; it was an option to have chromed doors, but I don’t especially like it. Original parts are attached with two nuts; as I’m afraid that the part is too narrow at the front for a screw, I decided for a silver soldered pin which will also help to attach the parts to the tree for plating. One screw will be used at the rear of the part(s) as it’s wider. Bolts with a diameter of 0.5 mm will be used. To have some uniformity among the parts, I will do each needed operation on all parts at once and then go to the next task. As all operations will be manually done, there will be differences, but I hope they will be minor enough that they will not be noticed. I’m attaching a picture from the original handle plus my prototype which will not be used unless I can drill the needed holes at the exact same position.
  12. The idea to make the hood’s doors operative is opening a can of worms. Even if my test’s door was successful, I’m not sure if all doors will open or close flawlessly. After doing the doors and the flanges, I had to do the hinges: the ones soldered at the doors and the other ones attached to the hood. For both types, I had to create tools to have some uniformity among the parts. This is what can be seen on the first picture, together with two corners on which the hood’s hinges will be soldered. The profile from a male hinge is on the next picture; without tools to shape the parts, no one would be looking the same as the next. As I finally got the 0.3mm brass, I did also the first firewall, the one which contributes to the structure of the body. On those cars (V-8, V-12 and V-16), there is a second firewall installed ahead from the first one. This was a method to isolate the passenger cell from heat and noise as well as having a clean surface to be seen when the hood was open.
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