Give the entire duck a very liberal coating of salt and pepper.
Place the duck on the beer can chicken pan, tuck the wings in, wrapping in tinfoil to prevent from burning
Place on the shallow roaster.
On a two burner bbq, start the bbq on one side. You want the bbq at 300F to 325F.
Place the roaster on the unheated side.
Let roast for 1 hour, then rotate the roaster.
Let roast for another hour.