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What does N2 stand for?

N2 stands for Engine Core (high pressure compressor) speed in RPM

This definition appears frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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We have 4 other meanings of N2 in our Acronym Attic

Samples in periodicals archive:

The advanced protection provided by AAF HEPA (EPA)-class filtration helps keep engine cores in close-to-new condition during operation.
Also requested are F-100-PW-229 Engine Core Modules, night vision devices with spare intensified tubes, Autonomous Air Combat Maneuvering Instrumentation P5 pods, a Joint Mission Planning System and five years of follow-on support and sustainment services for its F-16 fleet.
The engine core draws heavily on GE's expertise developed for the best-in-class GE90 and GEnx programmes, with state-of-the art compressor, combustor and coatings technology all being pulled forward into LEAP to improve performance while maintaining reliability.
After noting the abnormal engine indications, including ITT above maximum allowable and engine core RPM stagnated below limits, Capt Fisher correctly diagnosed the problem as an unrecoverable compressor stall.