Look for birds in the 4-5 pound range ~~~ There are so many variables to camp fire cooking it's hard to say exactly how long it will take ~~~~ Cook by temperature, not time. You will be looking for 165* in the deepest part of the breast and thigh.... Some folks have a Personal preference to cook the thigh a little more however...say to 175* ~~ For planning allow 2-3 hours of cooking time over hot coals...HTH
There is only one Quality worse than Hardness of Heart, and that is Softness of Head.
Kool-Aid...Think Before You Drink