Redzone in more ways than one

In motorsports and motoring in general, the red zone (or redline zone) denotes the maximum range of revolutions-per-minute (RPM) an engine can attain. Essentially the RPM indicator (see below) on a vehicle's tachometer measures how many times the engine's crankshaft makes one full rotation every minute. Arguably the pinnacle of motorsport engineering, Formula One (F1) cars tend to frequently