Moldova 1/72 Su-12






One aircraft


Mark Fordham


Limited run kit


With only two aircraft ever built there is almost no information on the Web about his aircraft that is in English, lots of references to the plane on Russian sites. The experience gained by the Luftwaffe in using the Fw-169 twin-boom reconnaissance and artillery observation aircraft on the Eastern front became the basis for the Su-12 design. After WWII the Sukhoi's design bureau was assigned to develop such a plane. In just 150 days the aircraft was designed and constructed and in December 1947 it was handed over for flight testing, and although it flew well with no major vices it was already obsolete like so many aircraft in the post war years.


Moldova's Su-12 is packaged in a rather flimsy box with a computer generated picture of the aircraft on the front. Two main sprues hold all the major components with a little plastic baggie containing the odd bits that they had missed off the sprues! The canopies are thankfully packaged in a separate bag to protect them from scratches. Surface detail on the main assemblies is very nicely done with fine engraved panel lines and raised rivets but at the other end of the scale items like wheels and cockpit detail are nothing more than shapeless blobs of plastic. In fact it almost looks like two different companies were used to make the molds.

The plastic is like none other that I have ever come across, being very hard and extremely brittle making it difficult to work with, in fact most of my usual solvent type glues were useless as the plastic defied all attempts to dissolve. Superglue and white glue were used to assemble the Su-12, pay close attention to the cutting of the parts off the sprues, as it's easy to break small pieces and/or send them flying across the room.


Yes well were to start? with twin boom aircraft you are opening up a whole new can of worms with alignment of the two booms and fuselage. The easiest way I found was to assemble the two booms first, fit was reasonably good with the only filler needed was around the cowlings. once assembled they can be put to one side and the fuselage halves assembled again fit was better than average for a short run kit, at this stage I left out all the cockpit interior as it can be added right at the end.

The inboard wings were glued together and that's when the fun started, the profile of the wings and the profile of the fuselage were so completely different that a major amount of surgery was required to get wings to blend in with the fuselage. Basically you have to attack the wings with a file and sand down about 0.5 mm at the upper leading edge and fill about 0.5 mm at the trailing edge to get a smooth transition between fuselage/wing/boom joints, course all that detail was sanded off in the process. The hard plastic made this job even more work as getting the scratches out proved to be almost impossible and was going to come back and haunt me in the future.

Outer wings had the same fit problems and required a huge amount of work to get the step out of the wing/boom joint. Aligning the booms, wings and fuselage was an exercise in patience as a couple of times I thought I had got it right only to find that the rudder was off centre or the rudder was correct but the dihedral was off. talk about frustrating. with the help of numerous jigs, plasticine and a lot of rude words I finally managed to get everything to stay were it was! At this point I put the plane on hold for a week or two to recover my sanity.

The fuselage was built up and painted 'Russian interior Green' as described in the painting instructions, like all East European kits the colour call outs are in Humbrol colour only, great for Kiwi's but a little frustrating to our US friends who find it hard to get Humbrol paint sometimes. Detail items like the seats were a joke so new ones were made up out of plastic card and the side consoles were added using my homemade bog panels to add a little bit of busyness to the 'office' at this point the canopies were masked up and glued into place, masking those big greenhouse canopies was not my idea of fun but it wasn't too difficult due to the well defined raised lines. It just took forever!

Undercarriage legs were carefully removed and yes I managed to break both of them, I then discovered that it is a lot easier to install them if you put them in before you join up the boom halves, but with a little bit of trimming and a bit of a shove you can pop them in at the end though. The propeller blades are all separate with a three piece hub, so all up each prop is made up with seven pieces. Trying to get each one of the four blades aligned evenly was yet another test in absolute patience. Moldova do however provide a plan layout in the instructions for the props.

As construction drew to an end the only major items left was the main wheels which were a complete joke, with no definition or detail what so ever. New ones were cast using my hot glue gun method with the donor wheels coming off a Dragon He-219 as they were the same diameter as the Su-12 ones. as you can see from the photo just how crude the Su-12 wheels really are.


This is were the Su-12 got me, looking at the box art and NOT reading the instructions I was all through the build under the impression that this plane was finished in light grey but nnnooooo it would have to be natural metal, the one finish that I just can not master. The Su-12 went back to the desk and had days of sanding, polishing, polishing and sanding in an effort to hide all the sanding marks left from the drastic bog job to get the wings to fit. the hard plastic again defied all attempts to polish out tiny scratches. Finally I gave up and looked around for a Natural Metal covering, now Alcad II was out and SNJ was out as both of them are unavailable in New Zealand, Bare Metal foil was a option but I'm not a skilled enough modeller for that sort of thing, that left Humbrol Metal coat and Rub-n-buff.

I have used Humbrol Metal coat in the past but have had the stuff rub off at the slightest touch so I thought I would try Rub-n-buff, after all the Poms had been using it for years as a natural metal finish. I discovered that you can thin Rub-n-buff with enamel thinner and spray it though the airbrush thus giving a halfway decent impression of natural metal but without the swirls and fingerprints from applying by hand. Once dry (about five minutes) I masked off the odd panel and buffed it up with a buffing pad on my dremel.

With only two aircraft built there isn't much choice in marking apart from four Russian stars and some red stencils around the wings, they went down well and snuggled down without any need for decal softeners.


A very difficult model to do. Three months went into the Su-12 which for me is unheard of in a 1/72nd scale model, saying that if you have the patience to finish the beast you will be rewarded with a very unusual and striking model that will draw a lot of comments at a club meet. Not a competition grade model but if you are comfortable with short run kits and don't mind lots of sanding pick one up and give it a go. My thanks to FBN productions for the review kit and advancing my modelling skills.

May 2003


Almost nothing to go on in the way of text but plans and a few photos are available if you 'Google' Su-12

Mark Fordham


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