Drag Racing 1/4 Mile times 0-60 Dyno Fast Cars Muscle Cars

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 second. 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 mounted. 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.


 


More Videos...


Sabre Jet Engine: first start
The first start and initial test run of the Orenda type 14 turbojet that we have been working on for almost a year now... you and me! It's been a lot of work, and now it's all on the line as we crank this baby up, hit the sparks and spray those combustors with Jet A. It was an exciting and Exhausting day... A special note: this is not a hot start, but fairly typical of the older generations of turbojets to have flames shoot out the tailpipe on startup. The video response is from Burning Man participant Kunal Dovedy, and the engine section he used is the exact one featured in my video "dropped into a turbine engine".





Testing a GE J79 with afterburner
A newly rebuilt engine from a supersonic fighter is put to the test at the S&S / Maddex test cell. After some run-ups from idle to full military power, the afterburner is engaged, resulting in some extreme camera abuse...





AI-25 pt.7 Bonus Extras
More description of how we did it, and clips of all the starts.





Two Engine Tests
A back to back run of a J79 afterburning fighter jet engine and its industrial derivative, the LM1500. All the major parts of the core are identical in both engines, but they burn different fuels, and they perform very different jobs.





Which car is faster? Which Car is Faster?




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