Saturday, 2 January 2021

Lego Taunus 17M repairs

 Lego Taunus in black opened up
I believe the Ford Taunus 17M actually replaced the older Taunus 17M Deluxe model in the Lego range. This is the model Ford made in the early 60s, which the Germans refer to as a bathtub because of its rounded shape. 

The Lego model is constructed as described in the later Lego patent (see earlier post), as is apparent when taken apart. Pressing down the rear bumper will allow a thumbnail to be inserted under the boot and pull it further apart.

All my bathtubs had broken axle mounts when I got them, the black example above requiring four.

Lego Taunus chassis with 5 replacement axle mounts
As described elsewhere, the replacement axle mounts are cut from a warped window frame and stuck in place with acetone. The ones for the rear are the standard inverted U-shape; the ones for the front are inverted L-shapes to be set in front of the part holding the window piece in place.
Lego Taunus in black with toothpick to clean details
The body was a bit playworn with fine scratches, which were removed with compound wax and copper polish. A toothpick is used to remove any residue from the details, because wood doesn't scratch plastic as metal will.
Lego Taunus in lack with axle mount replacements painted silver
Once reassembled, the red replacement axle mounts really stood out within the black body, much more so than with cars in other colours. So in this case I've painted them silver to keep the red from spoiling the overall impression.

Lego Taunus in white with body removed
This photo of one of my white Taunus cars show how the windows part is held in the chassis by its two feet fitting into slots.
Lego Taunus chassis with 1 replacement axle mount
This particular car only required one replacement axle mount. Keeping the chassis off the ground allows it to be fitted without the axle being in the way.

Lego Taunus chassis with 2 replacement axle mounts
My other white Taunus needed two replacement axle mounts at the front, after the axles were cleaned of rust with steel wool. I think this car was stepped on, where its more sturdy construction kept the roof intact but resulted in two cracks in the boot lid next to the broken chassis.

Lego Taunus in grey opened up with previous repair
The Taunus in grey turned out to have been repaired by a previous owner but not that well. The red part came off rather easily, after which the axles could be cleaned of rust and two of my replacement parts fitted.

Damaged Lego Taunus in red opened up
This Taunus in red cellulose acetate was seriously dented next to having a front axle broken loose. The axle was fixed with two replacement mounts, but the dent required more work.
Damaged Lego Taunus in red - close up
Here's a close-up view of the damage - a dent and several areas with deep scratches, as well as a crack in the far front corner.
Lego Taunus body with hairdryer fitted with funnel
I figured some heat might soften the plastic and let me press out the dent. So I taped my grandfather's metal funnel to my wife's hairdryer to aim the heat at the precise spot. This worked well for all of five seconds before overheating and filaments burning through, so I now owe my wife a new hairdryer.
Lego Taunus body next to cup of near-boiling water
I then immersed the nose of the car in near-boiling water, which softened the plastic sufficiently to let me press out the dent with a small teaspoon over a number of times. On the inside of the bonnet this left traces, but the outside got straightened out. A piece of thick card underneath helped keep things stable.
Lego Taunus with dent pushed out compared to another
The dent had now gone from the nose, but the crack in the corner had widened a bit. Another red Taunus in ABS plastic was used for comparison. (This was my first red Taunus, which also has one replacement axle mount iirc).
Lego Taunus body with fine-grit sandpaper
The scratches associated with the dent could now all be sanded away. This was done with very fine 1500 grit wet/dry sandpaper so did take awhile.
Plastic dissolving in acetate to fill crack in Lego Taunus body
The crack in the corner was filled with tiny off-cuts of red cellulose acetate plastic. These were first partly dissolved/softened in acetone, then inserted and sanded to shape.
Repaired Lego Taunus body after polishing
After sanding the bonnet and corner, the body was polished and made to shine with compound wax followed by copper polish.
Red Lego Taunus body before and after repair
The end result is not at all bad, and a definite improvement over how it looked when it arrived. Over time the plastic has very slightly warped back a bit which is slightly visible on one wheel arch, but it's still a very presentable little car.

Lego Taunus body in grey with replacement chassis and wheels
Currently still on the work table is a grey Taunus. I received a loose body with some other parts in a lot, and a friendly fellow-collector supplied a broken chassis. The wheels are the ones from the donor Beetle chassis that had already yielded replacement bumpers for my Beetles (below at right).
Lego Taunus body in grey with repaired chassis and remains of Beetle chassis
The Beetle axles were fitted to the Taunus chassis with replacement mounts. Because a Beetle has a wider wheel base than the Taunus, a bit of each axle has been ground off with a Dremel (where I wasn't careful enough so the wheels got slightly damaged on that side).

What I still need is the transparent window part for this car. If anybody has one to spare then my contact is on the About page. :)

White Lego Taunus 17M  in broken bits
A parts lot I found somewhere provided brief hope for the grey Taunus, but it turned out to have all the other parts for an almost complete white Taunus as well. So it was an easy decision to reassemble and repair that one again.

Reassembled Lego Taunis in white with grey body as example and broken brick to provide missing bits
The chassis received the standard repairs to fit the rear axle back in place. The two halves of the white body were superglued together and carefully clipped over the window insert that was fitted to the chassis. A piece of low-tack tape held the roof in the correct position, while new roof pillows were made out of sanded-down strips of white ABS plastic sawn from a broken brick. The loose grey body served as an example for the shape.

Repaired white Lego Taunus 17M with replacement roof pillars
With the replacement roof pillars superglued in place, the white Taunus is complete once again. The repairs can't be invisible, but the car has been saved from the scrapheap and now sits on the display shelf instead.

Meanwhile the grey Taunus is still waiting for its windows - hopefully soon.

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