I couldn't cook a chicken over 3-4 hours, I like crispy skin too much

as for using the beer can I look at it this way: I don't want beer flavour infusing into my meat (I actually used a can if 7up) it's about the heat causing the liquid to evaporate which steams up into the carcass adding moisture to the cooking process, the metal also helps conduct heat and the whole process is said to help cook the birdy. I'm not sure if it actually works that way, however I am sure that when I did a beer can chicken it was very moist meat with crispy skin, it was better than oven cooked. I don't stand my chicken either, i place it in a roasting tin with the can inserted with the open top facing upwards, half the liquid removed, I also add a garlic clove and rosemary to the liquid, this was a method suggested by one of the weber chefs I spoke to