A 'madcap' military enthusiast constructed a Lancaster Bomber cockpit in his garden shed - after developing an obsession with The Dam Busters film, and now it will be turned into a state-of-the art simulator. Leon Ellison devoted his retirement to meticulously building an exact replica of the flight deck , complete with gauges, dials and pilot controls. He even replicated the distinctive roar of the aircraft's four Rolls-Royce Merlin V12 piston engines using a frequency device to mimic the