Spinny thing?
Hello All,
This may be a weird question but I guessed this would be the best place to post. In a jet engine what is the correct techincal name for the cone that spins in the middle or the turbine? Thanks a lot CTB!!! :) |
Spinner
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Does the 'spinner' hold anything together, is it for aerodynamic (airflow into the blades) reasons, or is it cosmetic (like a spinner over a CSU hub on a piston aeroplane)? Just interested to know what, if anything, it achieves.
Kermie http://www.stopstart.fsnet.co.uk/aircraft/stuka2.gif [ 14 August 2001: Message edited by: Kermit 180 ] |
Kermie,
As far as I am aware, it's mostly an aerodynamic thing although it may also cover the fasteners holding the fan-hub to the shaft, depending on how the engine manufacturer built the thing in the first place. |
Also known in some circles as a 'rotating fairing'. On most RR engines the spinner is protected against ice build up by a solid rubber tip which vibrates naturally to break up and dislodge ice immediately it starts to form.
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Huh! And I always thought that rubber thingy was to make it softer to the body parts on impact... ;)
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Kermie - the spinner on some piston installations can be very important for providing proper cooling airflow through the intakes. Similarly on a jet the spinner smoothes the intake airflow.
regards wizzy |
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