B-25 Mitchell & Grumman Avenger Start-Up at the Air Show – Raw Engine Roar & History Nothing beats the sound of radial engines coming to life. Watch the iconic WWII-era B-25 Mitchell and Grumman TBF/TBM Avenger fire up their engines at a recent air show — from the first crank to full run-up and that unmistakable radial growl. In this video: • Quick history of each aircraft (B-25 Doolittle Raider, Avenger torpedo bomber) • Engine start sequence details (Wright R-2600 on the B-25, Wright R-2600 on the Avenger) • Close-up footage of props biting air, exhaust flames, and the pure mechanical symphony • Why these warbirds still matter in 2026 — living pieces of history you can hear and feel If you love mechanical resilience and real-world engineering, this is for you. Defensive Preparedness book (low-tech skills & knowledge): https://amzn.to/3NbMHO8 Which warbird sound gives you chills? Drop it in the comments! #B25Mitchell #GrummanAvenger #WarBirdStartUp #AirShow2025 #RadialEngine