Paper T1 Cunningham Tank Model
Materials and tools:
- scissors, paper knife, drawing ruler
- glue brushes and paint;
- watercolors (or pencils), toothpicks;
- clear acrylic glue ("Moment", etc.);
- to print the model matte photo paper with a density of 170-180 g / m2; for small parts - 70-80 g / m2.
- Before you assemble the part, read the drawings and instructions. Determine the place of each part and imagine its assembly;
- Make holes in details before cutting out the part;
- 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;
- 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;
- Keep your fingers clean and be sure to use wipes to wipe your hands, because hands may get dirty in the process;
- wind up cylindrical parts before gluing onto a round object of a suitable diameter, this will give them shape;
- 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;
- 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
American T1 Cunningham Tank
In the mid-1920s, the US command recognized the M1917 tank, which was in service with the army, obsolete and developed a technical task for the creation of an improved combat vehicle. In 1924, when the slip of the development of a medium tank became apparent,the development manager was sent to Rock Island arsenal to help build a light tank weighing no more than five tons. In collaboration with engineers from Cunningham (known for its tracked tractors) and the military, as well as having learned from the experience of foreign colleagues (primarily British - Medium Tank Mk.II), the developers came to the conclusion that the classic layout of the tank is not ideal. After the unification of American developments with foreign ones, a prototype of a light tank T1 was created. Chassis tests have shown that numerous changes in its design are required: «tractorpast» made itself felt. The chassis was high-tech and allowed to reach a speed of up to 29 km / h on the highway, which was a record figure among similar machines. But, unfortunately, this figure could not be demonstrated in combat conditions, as it turned out that the chassis very poorly copes with overcoming rugged terrain, slug craters, etc.
Structurally, the chassis consisted of 16 small-diameter support rollers (8 on each side) with shock absorption on spring springs, 6 supporting rollers, front guides and rear drive wheels.The hull of the tank had a mixed riveted-welded construction of rolled armor plates with a thickness of 10 to 15 mm. In front of the hull was the engine compartment, which housed an 8-cylinder Cunningham gasoline engine with a capacity of 132 hp. (2600 rpm), 58.5 gallon (221.5 liters) fuel tank and manual transmission with 4-speed gearbox. The engine was started using an electric starter. Department of management, combined with the combat, was closer to the stern of the tank. The crew of the T1 consisted of two people: the driver and the commander (aka shooter). The armament was installed only in the turret and consisted of a 37-mm M5 L / 50 cannon (with 104 rounds of ammunition, according to other data - 80) and a 7.62-mm Browning M1919A4 machine gun (3000 cartridges) paired with it. Despite the small caliber, the muzzle velocity of the projectile of this gun was equal to 777 m / s, which made it possible to fight with any armored vehicles at distances up to 1000 meters.
The development of the T1 light tank was carried out throughout 1926, and in early 1927 the prototype was handed over to the military for sea trials. To their disappointment, the prototype had low road performance: the tank barely overcame a ditch more than two meters wide, and because of the stiff suspension it was difficult to fire on the move.Improvements were needed, and the next prototype T1E1 received an improved hull design. In 1928, the army adopted it under the symbol M1. Four tanks were sent to troop tests at the 4th Tank Company (Fort Meade, Maryland), where they were actively exploited during the 1930s. The result of these tests was a modification of the T1E2, which was equipped with a more powerful engine, a modified tower (without oblique upper armor plates) and enhanced armoring of the frontal part. Later on this tank was installed 37-mm long-barreled gun. The latest modification of the T1 was the E3 version with spring-loaded spring suspension, providing increased smoothness, and a long-barreled cannon. Nevertheless, due to numerous shortcomings, it was not possible to establish the mass production of light tanks T1. Currently, the only copy of the T1E2 is stored in the exposition of the American Tank Museum at the Aberdeen Proving Ground.
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