Yesterday I got an automatic egg turner for my incubator. Unfortunately it is not recommended for turkey or duck eggs for they are quite big. So I'll have to continue moving them manually. It's ok, but I'm sure that in the future, once I've learnt how it works, I'll be able to use it with bigger eggs than just hens size.
The good thing about the egg turner is that it saves a lot of work and besides you do not have to be constantly watching your clock. It turns eggs every four hours.