Thanx for all the input, I hope I didn't stir the possum up too much
I persevered with the short distance move, it seems much better this morning, there are a few hundred bees flying around the old location. I expect most of them will circle around today and find their old hive. No clustering at the old location.
I don't think conditions are any different here to influence the success of moving short distances. We have had a few days of nice fine weather here in South Gippsland. I had planned to move them to the other property but I thought I'd give the short move a go.
I am lucky I have a friend who has a property about 10km away, he has lots of trees. I moved two weak hives over there about 1 month ago, and brought them back last night, they seem to have really enjoyed their stay there, built up nicely. When I moved them they were weakened by a damp, shady location so they had to be moved.
In future I guess it depends on the situation, weather conditions etc to decide how to move them a short distance.
Anyway if you are not making mistakes you are not learning anything