WW2 Boomerang fighter makes the noisiest whistle of all

The Boomerang is often called Australia’s “panic fighter.” It was born out of urgency during World War II, when Japanese forces were advancing through the Pacific. After the sinking of two Royal Navy battleships in early 1942, Australia realized it needed its own fighter, and fast. In just 16 weeks, the first Boomerang was flying.

Built largely from parts already in production, it used the same Pratt & Whitney Twin Wasp engine found in the DC-3 and borrowed many components from the Wirraway trainer. It featured a brand-new fuselage design, making it a truly unique aircraft. This has got to be the smoothest-running radials we’ve ever heard! That engine sounds amazing. The pilot must’ve had a hard time hearing the radio over that whistle.