Question:

Jet Engines?

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When a jets turbines start up at the terminal, do each engine go a one way or do they go opposite ways like one turning left and one turning right or do both engines turn say left?

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  1. Next time you are at the airport, take a close look at the blades on the engine. You will see how they are at an angle, sort of like a wind mill. They must turn in a direction that will "bite" the air. You will notice they are all angled in the same direction, thus they all rotate the same direction.

    On a jet engine (fan jet on most all airliners) it doesn't make any difference what direction the engine spins, thrust is directed directly out the back and there is very little rotational force.  

    On a side note, while most engines rotate clockwise (from the perspective of someone inside the aircraft), French built piston engines rotate counter clockwise.


  2. It would just be overly complicated and pointless to build engines spinning in opposite directions (spares parts would have to be made in two different shape each time). All engines of a given make/model spin in the same direction.

    Some Rolls Royce engines are claimed to spin opposite to what Pratt & Whitney and General Electric do, but any given aircraft is not allowed to have different makes of engines, even if those are close match in term of power and thrust.

  3. turn the same just like props

  4. Both the jets turn the same way. some twin prop planes however have props that rotate in the opposite direction.

  5. They all turn in a clockwise direction. Not for any particular reason other than industry standards. They could just as easily all turn counter-clockwise.

    The INDUSTRY STANDARD within the United States calls for clockwise rotation. I have no idea what the standard is in France or Russia.

  6. I think the blades would go opposite from each other like two gears that are connected with each other. and also moving

  7. they both turn the same way, dude

  8. one forward throttle, one backward throttle, i know because i will become a pilot

  9. they turn the same

  10. All jet turbines are built to rotate clock wise looking from the front.

  11. Any jet engine in the world turns clockwise, as you are facing it.

    Engines are interchangeable in each aircraft. If an aircraft has 2 engines in front they are all identically built engines. Sometimes the tail engine is different.

    I know, I worked on them for 12 years, from running aircraft on a flight line, to engines on a test cell, and I've totally torn them down, built them up, repaired the inner workings and replaced components, and I've been an instructor in schools for doing this as well training many individuals on the job.
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