At an RAF air-show, the Lancaster bomber made his first pass all four engines roaring. As the cheers and waves died down, he shut off one engine and made another pass. Again with only two engines, and finally a low pass with just one engine.
"Oooh", said a young girl, "That must be hard!!"
"Aaah, that's nothing" said her boyfriend, "Next time, he'll
just do it on his windshield wipers...."