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About wefalck

  • Birthday 05/01/1956

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  • Location
    Paris, France
  • Interests
    19th shipbuilding and naval history, indigeneous boats and their history

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  1. I think they even advertised this as a safety feature - in case you had a flat tire. As a matter of fact, it was difficult to 'feel' that you had a flat tire, particularly, when it was at the rear and you were going more or less straight and at moderate speed. I remember, that once we were travelling as a family in Italy and only, when people were wildly waving at us, my father realised that we had a flat tire. It was similar for the GS: someone punctured two of my tires with a screw-driver, but while driving around the parking lot at night I didn't notice - but then the security guard came ju
  2. 😂 ... but as always, those in power decide what time it is and whether your time is over ... I trained as a geologist and part of my university time was spent at the ETH in Zürich. I am not really a mountaineer, let alone a climber, but an alpine skier - and I have great respect of the mountains - as I am teaching my students in a class on 'natural risks' these days: mountains and the sea are 'high-energy' environments, with a lot of potential or kinetic energy around, beware.
  3. The DS retained a feature that would be considere old-fashioned by today's standard: the gear-changing lever was on the console for the steering-wheel, which indeed had a single spoke (and the ring inside the rim for the horn, rather than a button in the middle). The reason for the old-fashioned gear-changing arrangement was that the car, of course, had front-wheel drive (traction avant) and the wanted to keep the leg-room free. Early models had a front-bench, I think, as was common in the 1950s. Two other fancy arrangements were the break-pedal and the locking brake. The brake was
  4. I think the DS (pronounced déesse, french for goddess) still is one of the most comfortable and safests (from the road-keeping perspective) cars ever made. The hydropneumatic suspension let you ride very comfortable, but kept the wheels on the road. Citroën moved from the 11CV 'Traction Avant', essentially an early 1930s body, to something even more futuristic than the contemporary 1950s ponton-designs. There were also sorts of little gadgets and extras built in, such as road-following head-lights. By the hydropneumatic suspension the car could be lifted a few centimeters to clear rough terrai
  5. I think what amateur saw was something like this (No. 238): Source: LEHNHARDT (1895) 'Takelungs- und Ankerkunde", Plate XX
  6. As theye say: what is better than presence of mind in the case of an accident such as this ... absence of your body
  7. Something like this can be also not so funny at all: A rockfall onto the motorway coming out of the Gotthard-Tunnel in Switzerland killed two tourists in their car. I also knew a young woman in Switzerland, when I was a student there, who was killed by falling rocks ...
  8. Modern cars don't seem to have 'frames' anymore. I believe the VW beetle (and the VW Kübelwagen = Jeep) was one of the first to have been built with a 'self-suspending' body, where chassis and body are integral parts. The 2CV wasn't quite like this, but had an underbody made from pressed steel panels. There were some stiffening 'stringers' as well. Mine suffered from rust at some stage and the road safety inspector poked a hole through it with his screwdriver. They cut out the rusty bit and welded-in some sheet metal, as the structural parts were not affected.
  9. I love shellac and have used it a lot over the past 40 years or so on furniture and modelling projects. However, I would not necessarily call it an 'universal' primer. Its applicabilaty depends very much on what you are applying it to -> compatibility. Bare wood is ok, but as soon as you may have applied some putty or filler, the situation changes, when these are soluble in alcohol. Dito. any other surfaces that are attacked by ethanol. Sometimes, it is desired that the primer attacks the surface, because then it is able to key in stronger, one of the mai
  10. Paints are funny things and a lot can go wrong, when one begins to mix different things. A stirred paint is a (usually) carefully designed suspension or dilute gel of pigments in a mixture of 'medium' (e.g. lineseed oil) and solvent (e.g. turpentine). If you change the ratio between medium and solvent, the suspension can break down, it flocculates. Many commercial paints are quite forgiving as to the ratio as long as you use the right solvent or medium. If you are adding a fourth component to the system, i.e. a different solvent, a lot of things can happen: the paint may coagulate, the the med
  11. Sometimes one can find second-hand resistance soldering units meant for watchmakers or jewellers. Watchmakers solder the 'feet' if watch-faces to them - very delicate parts. One may need to modify the work-holding arrangements, as these units are laid out for specific tasks. Has been on my shopping list for a long time ...
  12. I think there are two simple geometrical answers to the question - which doesn't mean they are easy to achieve. However: - the rabbet has to be so deep that the planking lands on the keel/stem without step, i.e. neither the planks nor the keel may be proud of each other - the included angle between the two surfaces of the rabbet should be around 90"
  13. Vain hope ... somehow tools and materials have the desire to fill all available space on a work-surface ...
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