Paper model of the KV-122 tank

Materials and tools:

  1. scissors, paper knife, drawing ruler
  2. tweezers;
  3. glue brushes and paint;
  4. watercolors (or pencils), toothpicks;
  5. clear acrylic glue ("Moment", etc.);
  6. to print the model matte photo paper with a density of 170-180 g / m2;
  7. for small parts - 70-80 g / m2.

Build Tips:

  1. Before you assemble the part, read the drawings and instructions. Determine the place of each part and imagine its assembly;
  2. Make holes in details before cutting out the part;
  3. Cut only the part (s) you need right now. Unpacked items in a box, and unused sheets in a closed folder (as an option). Throwing out trash after work, carefully inspect the scrap paper;
  4. To better fold the part, it is necessary to hold the ruler along the fold line, pressing lightly with the blunt side of the knife or a toothpick so as not to damage the paper surface. Better to do it from the wrong side of the part;
  5. Keep your fingers clean and be sure to use wipes to wipe your hands, because hands may get dirty in the process;
  6. wind up cylindrical parts before gluing onto a round object of a suitable diameter, this will give them shape;
  7. Before gluing it is necessary to paint the ends of the part. White crop lines spoil the overall look of the model. To paint the ends, use watercolors or gouache paints. After selecting the desired color, apply them in a thin layer, then allow the paint to dry. About markers better to forget;
  8. Take your time with gluing. First, cut out the part, paint it from the end, wait for the paint to dry, assemble the part. Attach it to the place where it should be, to make sure everything is done correctly. And only then stick. Do not forget to let the glue dry.

A bit of history

Soviet heavy tank KV-122

The KV-85 tank, which was produced serially, did not fully satisfy the requirements of the military, so attempts to improve certain characteristics of it did not stop even after sending the IC tanks to the conveyor.Among the last such attempts is the project of installation of 122-mm guns on a tank, proposed by the design team under the supervision of engineer A.Schneidman. He proposed not only to equip the KV-85 type tank with a more powerful artillery system, but also with an improved power plant. The project was approved in the spring of 1944 and implemented in metal in a few months. The tank received a preliminary designation KV-122.

Improvements required minimal. The tank completely retained the design of the serial KV-85 model of 1943, with the exception of the modernized turret, gun and engine. The tank hull was a rigid welded box with differentiated armor. The thickness of the sides and stern was 60 mm, the roof - 40 mm, the bottom - 20 mm. Frontal hull castings had a thickness of 75 mm. The layout of the case is classic: the front control compartment, the combat compartment in the center and the engine compartment at the rear. Instead of the B-2K engine, which differed from the usual B-2 with increased power, the B-2IS with a nominal power of 520 hp was proposed. Despite a slight decrease in power density and dynamic performance, this power plant was more reliable.The transmission, taken unchanged from the KV-85, consisted of multi-disk main and side friction clutches of dry friction, as well as a 10-speed gearbox.

The tank tower was fully borrowed from the IS-2 tank. While maintaining the streamlined shape and previous booking (forehead - 100 mm, sides and feed - 60 mm each, roof - 40 mm), instead of the D-5T gun, they installed a 122mm D-25 cannon. This led to changes in the ammunition and the number of shots, but the increase in fire power was significant. Next to the gun was mounted a DT machine gun of 7.62mm caliber and another DT machine gun was in the aft tower installation. On the roof of the tower there was the possibility of installing a 12.7mm DShK machine gun.

The chassis, as applied to one board, consisted of the following   elements:

  • 6 track rollers with internal shock absorption and individual torsion bar
  • suspension;
  • 3 supporting rollers with rubber bands;
  • Front steering wheel;
  • Rear drive wheel with a cast hub and two 16-teeth rims;
  • Track chain of 87-90 tracks 700 mm wide and 160 mm pitch, tracks
  • cast, with two rectangular windows for the teeth of the drive wheel.

The viewing instruments included a SJT-6 telescopic sight, a PT-6 periscope sight, and a PT-1 command panorama. The tank was completed with a radio station R-9 with a whip antenna. The crew of the KV-122 consisted of five people: a driver, radio operator, commander, gunner and loader. In fact, it was not necessary to build new tanks, as by simple reworking the KV-85 was turned into a more powerful KV-122. But that was one of the main problems. For modernization, it was necessary to withdraw the tanks from the front and send them to the factory. In wartime it was considered unacceptable. In addition, in 1944, the production of IS-2 tanks with similar weapons was already set up, but armored vehicles are much better. Comparing these facts, the GABTU considered that the modernization of the existing KV-85, of which there were not too many, was inexpedient. The experienced tank KV-122 remained in a single copy and its future fate is unknown.

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