Rotation of N2 caused by turning N1

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Rotation of N2 caused by turning N1

Postby Dushux » 24 Apr 2017, 11:44

Dear All, could anybody tell what is the reason that turning N1 is causing rotation of N2. It is clear that they have only aerodynamic connection, but somehow rotating of N1 by hand turn N2. Thanks in advance!
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Re: Rotation of N2 caused by turning N1

Postby IFixPlanes » 24 Apr 2017, 11:57

Friction over the bearings.
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Re: Rotation of N2 caused by turning N1

Postby vortex » 26 Apr 2017, 20:47

good call......... :D
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Re: Rotation of N2 caused by turning N1

Postby IFixPlanes » 27 Apr 2017, 18:12

vortex wrote:good call......... :D

means what?
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