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Post Reopened by user14897, Daniele Procida, CGCampbell, DeltaLima♦, Federico
change to reopen based on chat: https://chat.stackexchange.com/transcript/message/43627874#43627874 -- copied suggested text given by @Penguin
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user14897
user14897

Turbine engines, N1 and N2 How are jet engine RPM cycles used to monitor LCF life?

I have a problemCan someone please define what are N1 and N2 throttle cycles? These are used to keep track of the accumulated low cycle fatigue (LCF) life of rotating components. But I can'tcannot find an exact definition of N1 and N2 cyclesthem. Can you please help me about that? Thanks

Turbine engines, N1 and N2 cycles

I have a problem. I can't find exact definition of N1 and N2 cycles. Can you please help me about that? Thanks

How are jet engine RPM cycles used to monitor LCF life?

Can someone please define what are N1 and N2 throttle cycles? These are used to keep track of the accumulated low cycle fatigue (LCF) life of rotating components. But I cannot find an exact definition of them.

Post Closed as "Duplicate" by Lnafziger, Ralph J♦, Romeo_4808N, Peter Kämpf, Manu H
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user30003
user30003
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Turbine engines, N1 and N2 cycles

I have a problem. I can't find exact definition of N1 and N2 cycles. Can you please help me about that? Thanks