Is it true that engine chevrons pose a problem to performance?

Engine chevrons have become a defining feature of modern aircraft, but do they really pose a problem for performance?

Scientists finally solve the 70-year mystery of jet noise

For more than 70 years, scientists and engineers have been baffled by the thunderous roar of jet engines — a problem that has ...
Survival World on MSN

It sounds obvious, but adding a screen to jet engines could actually make things worse when birds strike

Image Credit: Wikipedia / NMOS332 - B-6543 ...

Jet with engine problem diverts after Kelowna departure

A workforce charter Aurora RJ85 jet departing Kelowna for Terrace lost one of its four engines shortly after takeoff, ...
U.S. News & World Report

GE Aerospace Turns to Robots and 'Lean' Methods to Tackle Jet Engine Repair Crunch

SINGAPORE, Feb 13 (Reuters) - GE Aerospace technician Suresh Sinnaiyan has spent more than a ⁠decade ⁠repairing jet‑engine compressor blades by guiding them across a sanding belt ⁠with practised ...