“It’s going to be in 10,000 pubs next week,” he says, citing JD Wetherspoon, Enterprise Inns and Punch Taverns as pub companies who have signed up to take deliveries. “I had no interest in a limited edition, slap-a-label-on-it beer,” says Dickinson, who estimates that in a fortnight, some 1m pints of the beer – called Trooper after one of the band’s songs – will have been sold. “It’s the fastest beer they’ve ever produced,” he says of Robinsons. “I’m going the blow the doors off the brewery.”