Turbojet engines are an incredible piece of 20th century engineering that except for some edge cases, have mostly been replaced by Turbofans. Still, even the most basic early designs were ...

Visual inspection of the Stage 17 rotor blades showed migration downstream. At this point in the project, flowpath staking work was performed and NDE-verified on all R-17 compressor blades. With the ...

EPRI (Electric Power Research Institute) reports that 7FA gas turbines have a rotor life of about 144,000 hours, or 5,000 starts. The primary life-limiting factor is high cycle fatigue cracks ...

Mechanical Dynamics & Analysis (MD&A) completed compressor blade replacement work on two 7FA units, including full inspections, and ongoing operational recommendations. We were responsive to emerging ...