Clashing, the term used to describe the contact between rotating blades and stationary vanes that has occurred in some compressors for GE frame engines, generally does not stop after the blade profile…
A timely opening presentation by an engaging speaker is critical to the success of most meetings, at least based on the editors’ experience. If the audience connects well with the…
Clashing, the term used to describe the contact between rotating blades and stationary vanes that has occurred in some compressors for GE frame engines, generally does not stop after the blade profile…
Attendees benefit most from user group conferences involving robust participation by owner/operators, OEMs, and third-party services providers because it provides them perspective on various aspects of a particular issue. Inevitable…
The 2013 Conference of the 7EA Users Group, conducted at the Hyatt Regency Monterey (Calif) Hotel and Spa, October 22-24, exceeded expectations in terms of participation, venue, and content—at least…
7EA owner/operators have been conditioned to look for clashing damage in compressor stages 1 and 2 during inspections. Numerous presentations at the 7EA Users Group and CTOTF meetings by plant personnel, the OEM, Rod…
Cracks in the R0 dovetails of rotor forward shafts on 7FAs and 7FBs are said to be possible in about three-quarters of the gas turbines in the combined fleet, according…