When I work such things alone, Wife and cell phone are my safety team...she won't let me die, she knows she loose 1/2 the retirement annuity if I die. I won't let here help, however, she still goes righty tight, lefty loosy and still can't undo a bolt or take out a screw...
I think I know what mean now , George, but a drawing will clarifiy it!!!
A pouring pivotr might be nice also for helping positioning the mould under the crucible when pouring.