Dr. Dean Edell today reported on a man who experiences sexual arousal from cars. This arousal results in his having "sex" with the cars, but I'm not sure about the mechanics of this operation. Nor do I want to know. The condition of this man's erotic attraction to cars is called "mechaniiphilia." For the article, click on New York Daily News.
At the end of the article, he says he once, in a moment of infidelity, made love to a helicopter.