Tank Engine 5TDF

Recently, a lot of cool inventions, and all these pressurizations-injection sound amazing ... if you do not know the history. For most amazing motor, which I know has been made in the Soviet Union and, you guessed it, not for the "Lada", and for the T-64. He called 5TDF, and here are some surprising facts.
He was a five-cylinder, which in itself is unusual. He had 10 pistons, connecting rods and ten two crankshafts. The pistons in the cylinders move in opposite directions: first, to meet each other, then back again to meet and so on. The PTO osuschestvyalsya both crankshafts, it was convenient for the tank.





The engine was run on two-stroke cycle, and played the role of spools pistons, intake and exhaust opens a window: that is, no valves and camshafts he did not have. The design was ingenious and effective - a two-stroke cycle provide maximum liter capacity, and uniflow scavenging - high quality cylinder filling.
Everything else was 5TDF diesel engine with direct injection where fuel is introduced into the space between the piston shortly before the moment when they reached the closest approach. Moreover, the injection was carried out by four nozzles on a tricky path to provide instant carburetion.



But this is not enough. The engine had a turbocharger with a twist - the huge size of the turbine and compressor placed on the shaft and had a mechanical connection with one of the crankshafts. Genius - Overclocking compressor twisted from the crankshaft, which excluded turboyamu, and when the flow of exhaust gases to be unraveled as the turbine, the power of it was transferred to the crankshaft, increasing the efficiency of the motor (this is called the power turbine).
On top of that motor was flex. That is, can operate on diesel fuel, kerosene, aviation fuel, gasoline or any mixture thereof.
Plus, the engine has been used fifty unusual solutions such as composite pistons with inserts from heat-resistant steel and the system dry sump lubrication - exactly like a race car.



All the tricks had two aims - to make the engine as compact, economical, and powerful. For all three tanks are important parameters: the first makes it easier to build, improve the autonomy of the second, third - maneuverability.
The result came out impressive: the working volume 13, 6 liters of the accelerated version engine develops more than 1000 hp For diesel 60s it was a great result. On specific liter and overall engine power surpasses analogues of other armies several times. I saw him live, and the layout is really amazing - nicknamed "Suitcase" he really is. I would even say "a tightly packed suitcase».



He did not catch on because of excessive complexity and cost. Against the background of 5TDF any car engine - even Bugatti Veyron - seems somehow utterly banal. The technique can make round and go back to the decisions, once used on 5TDF: two-stroke diesel cycle power turbine mnogoforsunochnomu injection.
The beginning of the mass return to the turbo engine, which at one time were considered too complex for non-sports cars.



Source: krasnov74.ru