El Ciclo Otto (cuatro tiempos)
Explicación sencilla y didáctica del funcionamiento del ciclo Otto, o
cuatro tiempos, en un motor de gasolina de inyección indirecta.
Funcionamiento Motor Rotativo
Una de las particularidades del Mazda RX8 es su motor rotativo. Aquí
explicamos sus principios básicos de funcionamiento.
Ferrari V12 Engine
Ferrari V12 Engine Assembly. From start to finish, one technician is
responsible for the assembly........
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V12 Detriot Diesel 525HP
Setting the engine up and breaking it in.Remember this engine is just being
started after a rebuild so that's why it's smoking from the assembly lube
and the rack will be set-up to stop the hunting etc etc. Then the oil is
changed and the engine painted. These engine's go into Euclid mining rock
trucks,and they were in many other equipment/vehicles.The engine has
rebuild heads,turbo's, blower, water
pump,all internal parts and the air compressor All done in the great north
Audi Q7 V12 TDi
Stock Audi Q7 V12 TDi
1/4 mile, 0-100-200 km-h
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Turbine Engine: full power ... LOUD!
This is more film of the GE LM1500 gas turbine engine running at the S&S
Turbines open-air test cell.
All the noise in the beginning is made by the start cart, which is a 90Hp
turbine engine. Even when you hear the LM1500 start to wind up, it's not
even running until you see the heat waves coming out the back of it.
This happens when the operator opens the fuel valve at around 2,000 rpm.
In the middle of the video, when the noise in an unbearable shriek, the
engine is turning just over 7000 rpm, and is blowing hot air out the
jetpipe to the tune of a little more than 15 thousand horsepower.
The air flow through the engine at full power is about 150 pounds per
In the view of the control room screen, the numbers are as follows from
left to right along the top of the screen:
EGT or Exhaust gas temperature in
degrees Celsius, measured just after the last stage of the turbine, which
is just behind the second green steel frame holding the engine.
Next is RPM. This engine has basically one rotating shaft, and you can just
barely see the 1st stage compressor blades moving on shutdown. Engine RPM
is of this common shaft, upon which all compressor and turbine stages are
5,000 rpm is idle speed for this engine.
Last, on the right, is lube oil pressure, in pounds per square inch. These
engines have roller bearings, not journal bearings like a car engine, so
oil pressure is mainly an indication of oil flow. A lot of flow is needed,
because the oil is used as a coolant for the main bearings. The engine will
run with no oil pressure, except the bearings will overheat, so monitoring
of oil flow is very important.
This is the same engine you see in "Starting a large turbine engine"
Note: All references to podracers will be deleted.
If you have to ask why, it can't be explained to you.