The endothermic gas reaction takes place in two steps or stages. In the first stage, some of the methane. burns with air creating an exothermic (heat generating) reaction. In the second stage, the surplus methane. reacts with the carbon dioxide and water vapor produced in the first stage. This second stage is endothermic. (heat absorbing).
Pat the chicken drumsticks dry with clean paper towels. Cover them with plastic wrap or aluminum foil to warm them up to room temperature for 30 minutes. Preheat a gas or charcoal grill to 400 degrees F. If you are using a charcoal grill without a temperature gauge, this will take about 20 minutes.
How to Clean Your Grill With Aluminum Foil. 1  Start with a cold grill so you donât get burned. Cover the grill racks completely with two layers of aluminum foil. 2  Turn on the grill and keep it on for about 15 minutes. There may be tons of smoke but they say not to worry in the article! 3  Let the grill cool.