Tag Archives: windex chipping method

MiniArt 1/35 SU-122 build review p5. (final instalment)

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You can find the previous parts of this review under the following links:

part 1.
part 2.
part 3.

and

part 4.

You can find the review I wrote of this model on armorama, and another review of a simplified version of the same kit here. In this last post we’ll finish up the vehicle.

Painting

 

Once the tracks were ready, I painted the sides of the lower hull olive green (Tamiya), then heavily dabbed on a dark brown/black/greenish mix of oil colors to simulate the color of dirty snowmelt; the reference I used was how buses look during the winter after a heavy snow… The same color went onto the road wheels as well, and once everything was dry, I installed the tracks. (I suggest leaving the return roller in a movable state so that you can do small adjustments if the tracks are a bit loose/tight.)

I masked everything with tape (the back of the engine compartment, the top of the fighting compartment, the tracks), and sprayed olive green onto the vehicle. The exact color does not really matter as it will be covered by white-wash (and the wartime “Russian green” was far from a standardized color in any way).

I gave the paint a couple of hours to dry, and covered the model with a semi-gloss varnish to have a surface for the decals to stick to. Since I wanted to go with the unique festive Christmas camo, I decided to use the large red dot decal that goes on top of the superstructure. (In retrospect it would have been better if I added the decal after I applied the whitewash.)

Since the red dot decal needs to conform a somewhat difficult topology (it goes over the fume extractor’s cover, the hatch and the armored observation hatches), it is given in three parts. Normally I would have elected to simply mask the area and spray the color, but since it’s a review I went with the decal option. There are some issues with this option. For one, it’s not going to be easy to pose the hatches open, unless you cut the decal up. (Difficult to do accurately.) The largest part went on relatively well, although the hinges of the crew hatch did present some problems. A generous application of decal setting solution immensely helped, but it was still not easy. I did manage to damage the decal with the brush trying to smooth it out and make it conform the raised details.

The part going over the extractor cover went on fine; the decal part going over the observation hatch, however was not that easy to apply. I could not put it on without forming a small fold at the corner. I trimmed it once the decal dried, and touched it up with some paint. Weathering also will help making these mistakes disappear. The decal is thin and of good quality otherwise; the casting texture is clearly visible underneath. All things considered it’s probably simpler just to mask the circle and paint it on using an airbrush.

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Once the decals were dry I applied another layer of varnish in preparation for the whitewash.

I have applied AK Interactive’s chipping fluid slightly diluted with an airbrush for the “hairspray technique”, and once it was dry, I went over with Tamiya’s flat white (also very slightly diluted). It was dry to the touch in about twenty or so minute, so I started on chipping. Wet the surface and with a toothpick I made small nicks on the paint. These were gently extended using a wet brush. As a second round of chipping I waited about a day- enough time for the AK Interactive product to become “less active”. (As you wait, it becomes more and more difficult to create chips.) I’ve prepared an approx 1% ammonia solution using an ammonia containing cleaning product (Windex is fine), and used this over the surface of the model. (Ammonia dissolves Tamiya paints.) With a bit more vigorous brushwork I was able to create smaller, finer chips and scratches. This method (Windex chipping) is very suitable for making subtly worn surfaces, and complements the larger chips created by the “hairspray” technique.

This is the step where I installed the back of the engine compartment. I noticed that the bolt holes are not drilled in, which was odd, since MiniArt was very careful to add other details which would not be visible once the model is completed, so I quickly drilled the holes myself.

Once everything dried, I applied yet another layer of varnish to protect the work so far, and sprayed over a very light “washable white” from Mig. (I’ve tried a lot of off-the-shelf weathering products in this build.) Most of this layer was removed using a wet brush; the purpose applying it was to create a light white, transparent layer over the green paint showing through the whitewash.

After THIS dried, you guessed correctly, yet another layer of varnish was added, and I went on painting the branches, and adding the decals. Which were -for the last time- sealed with varnish.

Once this was all done I dirtied up the chassis a bit using oil paints (some light filters of burned sienna, and blending in small quantities of different shades of brown), adding oil washes, and applying a thick layer of dirty snow slush made from dark browns, black and a tiny bit of green to the lower chassis and the running gear. I added some oil stains to the engine deck and the folded-down armor plate on the back (AK Interactive’s product diluted in white spirit applied in several steps), and some diesel stains to the external tanks (Vallejo’s product- as I said, I stocked up on weathering products lately…)

As a last step I glued the top of the fighting compartment on in an “opened” position, so that the interior is actually visible.

That’s pretty much it.

Overall the building was enjoyable, although I did run into some problems of the kit (and of my own making). Nothing is really deal-breaking; most of the problems can be either fixed or circumvent if you have a little experience in model building. If you like to be challenged -and not because you’re building a dog of a kit- this model will be perfect for you; however I don’t think it’s suitable for beginners. It’s also a considerable investment of time and effort; it is certainly possible to burn out, and just shelve it for a time. If you don’t feel like including much of the interior, go for the “light” version which has less parts and is considerably cheaper, too. My fiancee said I was nuts for building and painting this much detail (and enjoying it), so take my words with a grain of salt. One thing is for sure: I’m proud of this kit, treasure it for the achievement I feel it was building it, and I’m ready to move on to a simpler model (or two) -until the next one. (Which, I suspect, is going to be a T-54 version with over a thousand parts…)

1/72 Pz.Kpfw.VII Lowe (Armory)

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Well, this has been a long, arduous trip. It was one of those models where you lose inspiration, you make mistakes, and it feels more and more frustrating to spend time on, rather than on a more rewarding project -and not because of any fault of the model itself. It was just one of those builds I guess. I had no clear conception where I want to end up, I made some mistakes, and it felt like a choir trying to push forward. The end result however, was surprisingly nice. So this is the story of the poor, neglected Lowe.

The Löwe was a 90 ton super heavy tank, which was planned -but never built- by Nazi Germany. It was superseded by the even heavier Maus- which actually did get built. Along with the super heavy members of the Entwicklung series, these gigantic tank design programs demonstrate some of the lunacy of the direction WWII tank design took to in Germany during the second half of the war: embarking on even more and more ambitious tank projects in search for a war-winning superweapon, consuming valuable resources and manpower, while the fronts were collapsing all around them. It did give us some nice-looking tank models, though, so there is some silver lining.

Disclaimer: I’ve used my review in Armorama for some of the text.

 

 

 

The plastic parts are well done, apart from some minor problems. Overall I found the quality of parts, the detail, etc. on par with the Eastern Express/UM/Roden offerings: not very good, but not bad, either. The detail, in general, is good; certainly not soft, but don’t expect DML quality. There is very little flash. The model could use some extra detailing; one of the things I would have liked to do was to replace the periscope covers with photo etched ones. (They are simple molded-on blocks. Armory produces excellent quality periscope covers for the King Tiger, which would probably serve well as substitute.) The one thing I really missed is the depiction of the interlocking armor plates on the upper hull. The hull was (to be) originally constructed by welding slabs of armor together, and the points where these armor plates meet should be visible (you can see this on the hull of the Tiger, and Tiger II, for example). It would have been nice to have these details molded onto the hull. It’s possible to carve them out, but I decided not to bother with them. Some parts you will have to create yourself; you will need some wire for the towing cables, for example. (You can get some wire used to hang pictures from art stores.)

 

The only real problem I found was the engine deck. The grills have several casting imperfections (see photo above), where plastic got into the perforated parts; if you want to open them up, you will have to work very carefully with a very thin scalpel. I attempted, but quickly decided to leave them as they were- did not want to risk the delicate plastic detail. I assume the vehicle would have had screens over the engine deck, just as the Tiger I and Tiger II did; these would have been great additions to the model. (I tried to find aftermarket 1/72 scale Tiger II grille screens, but the only one set I managed to find was sold out everywhere.)

The tracks are flexible, and made out of several segments. The detail is somewhat soft on the inner side; again not a big problem. This solution of segmented flexible tracks is an interesting combination of the link-and-length plastic tracks and the “rubber band” style tracks. It makes it easier to install them, but alignment is a problem – in fact it is kind of a nightmare. A set of PE tracks would have been really nice (although this is a bit too much to ask for this price I admit), or at least some plastic alternatives. All in all, the kit could use some more brass. As for tracks and engine deck grilles I’m happy to report that Armory has came out not long ago with an updated version of this kit, which alleviates all these issues.

Finally, the modeller gets an option of building a “historical” model (whatever it means in this context), or the World of Tanks version of the vehicle (you get the very characteristic muzzle break from the game, and a different engine hatch on the back panel).

Assembly issues

Instructions are well done, and easy to follow, but the first part of the build is a bit challenging if you follow them. The hull has to be assembled from multiple parts (as usual in these kits). The issue is that if you follow the instructions, the hull parts will not fit. Once you assembled the “tub” that makes up the lower part of the hull, you are supposed to glue the fenders onto the sides, and finally place the upper part of the hull on top of this. The plastic parts are on the thick side, and the guiding ridges are not perfectly placed onto the fenders. Despite of how small these differences are, they do add up. When you put the lower and the upper part of the hull together, there will be a gap on the front where these two halves should meet.

The best –and quite easy- way to get around this problem is to do some surgery first, and to deviate from the instructions. First, thin the sides of the top part of the hull from the inside a bit (for an easier fit into the grooves molded onto the mudguards). Glue the back panel, the top and the bottom parts together first (parts 1, 24, 35), creating the overall shape of the tank (see photos) without the sides.

This way the top and bottom will touch in the front. This is the time to use some filler to make sure the attachment points on the back and the front are smooth, and there are no seams anywhere.

Sand off the guiding ridges from the side parts (parts 34, 36) of the hull, and glue them in place. Cut away the guiding ridges from the sides of the fenders (parts 23, 25). It is necessary, as they are supposed to go on top of the side panels, locking together with the ridges on those parts, fitting between the two hull halves. Unfortunately there is not enough space. The fenders themselves are not thin enough to fit, but this will not be an issue if you remove these ridges. (It would have been more fortunate if the fenders were made of PE.) Glue the fenders in place, and you are almost finished with the build.


The other issue I had with the kit was that the attachment of the back panel is a bit unfortunate. Usually the top of the hull goes over the back panel, covering it. This follows the original way of construction, and does not break the upper surface with an extra seam. In this kit, however, the back panel is placed behind the top part, creating an extra seam on the top of the hull. This, unfortunately, needs to be eliminated with filler.

 

The turret has a strange, round shape, which is very uncharacteristic of the usual angular German designs. It is made out of three parts: the main part of the turret (part 2), the frontal bit under the gun mantlet (part 6), and the bottom part, which will not be seen (part 17). This bottom part has two invaginations which should fit with the two little pegs molded onto the smaller, frontal part of the turret, but they are too small for the actual parts. You will have to enlarge them with a scalpel. It’s not a major surgery, and as it will be hidden under the turret, it will not impact on how the model will look. The rest of the kit falls together without any problems whatsoever.

I have finished the model to the point of weathering for this review. A couple of details are missing (the towing lines, for example, as I will need to fashion one later). Photos of the finished model will be posted in the World of Tanks campaign forum.

 

Painting

I’ve given the tank an uniform German grey color, before attaching all the equipment, tools, etc to the hull.

 

 

 

At this point I kind of lost my motivation to go ahead. I had other projects, and I felt a bit stalled; I was not sure what direction I would like to take the model.

After spending a year in a box (I’ve moved to London, I’ve had other worries) I dusted the Lowe off, and gave a hard thought of what sort of a paintjob I wanted to give it. I settled with the octopus-pattern, which I’ve seen on some fictional 1946 designs. The build stalled even further as I had no idea how to achieve this finish…

The next breakthrough was when I spotted a punch set in a charity shop; I managed to make little rings out of masking tape. They were not exactly good, but I went ahead, nevertheless as I wanted to get the painting over with.

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The results were disappointing to say the least. The masking tape rings were not good enough, and I’ve used Mig’s paints for the first time without reading about them. I assumed they are to be used the same manner as Tamiya paints; well, I was wrong. Nevertheless  at this point all I saw was that the paint behaved weirdly, and I really, really hated it. (Since then I actually learned to use it properly.)

The other thing I’ve failed to consider in my rush to finish the build was the scale effect: the model had a really bad, very strong contrast. (The colors should have been “toned down” in this scale.) Needless to say I went on working on more successful projects; nobody likes to be reminded of mucking things up.

The next step -after standing like this in my “half-finished” box, I’ve decided to give it a winter whitewash; to use the model for practising -and to finish it finally; and this I did. I’ve covered the Lowe with dullcoat, and used Tamiya white in several light, irregular layers. About 30 minutes later I’ve brought out my ammonia-containing cleaning product, and proceeded to do some practice on the Windex chipping method. This relies on the fact that ammonia dissolves Tamiya paints, and by preparing a 2-3% solution you can carefully remove some of it with a brush. (It’s a process that can be controlled surprisingly well.) It creates much subtler chips than chipping solutions/hairspray technique.

Weathering

Once the whitewash was on and made look worn, I was in the finish. The model finally looked like a proper model, all past mistakes corrected or hidden away, and even the octopus camo pattern looked good under the whitewash. The emotional roller-coaster was high again. Some white pigments (chalk ground up) in water was used on the fenders and the back of the engine compartment to simulate accumulated snow.

Since it was a winter vehicle I wanted to make it looked dirtied up. Winter slush is dark, almost black. I’ve used oil paints as a slurry, and to make it look even dirtier and disgusting I’ve put some green in the mixture as well. I’ve used MiniArt’s painting guide to the SU-122 as an inspiration: the winter camo (“Rudolph, the red topped SPG”) option is quite dirty and covered in this dark, blackish much.

I dabbed the oils on using a large brush, and used a clean, wet brush to “wash back”, and remove the excess from the top part of the hull, and other regions where I judged the dirt to be too much. The brush then -since it had some pigments trapped in it already- was dabbed onto the turret and other “lightly” soiled areas.

Essentially this was it. The moral of this story is essentially this: despite of all my efforts to mess it up, I managed to make something resembling a presentable tank out of this model.