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#WeirdCarMastodon

33 posts19 participants0 posts today
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Alright, eight hours without a damn break and this came out of it. It's pretty cool. Upper section looks like lightweight galvanised, because it is, but the bottle is strapped on to two lengths of about a foot of 1"x2" 3mm thick box section at the bottom; the upper part is just for organisation.

Need to hook up the new bottle, tidy up some rough bits, add some paint, and maybe add a tiny toolbox on it for consumables, but that's enough of that for today; I need a kebab.

The problem with undertaking a major project on one of your cars when you have an all-BMW fleet, is that sometimes before you can finish that project, your other cars need work, too. I am working my way back to the wagon this week through all of our other cars.

Today I replaced the sway bar end links in the i3. No more squishy sounds going over bumps. I also replaced the dead battery in the E90, which I will have to code (yes, really), and then it needs a transmission service. #WeirdCarMastodon

I spotted this interesting code stamped into a production plate on this 1990s Mercedes-Benz E300 wagon. The embossed three-digit number codes are the options for the car.

The most interesting part, though, are the hole-punched grid. It has been very difficult to find information on what those codes mean, but I’ve been able to discover that they are 2-of-5 codes, wherein the *spaces* between the punches indicate ones (thick) or zeros (thin), while the *holes* in the last column indicates a check digit, read from top to bottom.

In this case, the six digits appear to be:

11000: 1
11000: 1
00101: 8
10001: 6
10100: 2
01001: 7

Check digit: 01001: 7

The lower-right corner hole seems to be unused.

I don’t know if this exactly right. If you know more information, please reply!

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Anyway, before I could get too involved in that I ran one of my 2 disposable welding gas canisters empty. I knew they don't last long, but I expected more than ~two days, and now I know why nobody who does even modest amounts of MIGing bothers with the disposable bottles.

This, of course, has now escalated into a Side Quest.

Continued thread

There was a small hole in one of them. I could have patched this up with just weld, but the metal was perilously thin for about a half-inch all around it. I plated it from the back; it's neater that way and it might avoid fouling of the U-bolts (there is very little clearance).

The other one was much worse. It has been repaired before, and not too well (in fairness, with the seat welded on the axle there wasn't room to do it well). No idea how I'm going to fix that yet.

I chopped off the combined leaf spring seats/shock absorber mounts from the axle housing today. It didn't smell as bad as expected; because this was sitting in Green's yard for who knows how long, instead of being caked in grease it was full of leaves. Had the mother of all incense burners in the workshop for a little while.

Removing the remains of axle tubing was easier than I thought; it was only a couple of hours from first cut to finish.