In my youth I widened our garden swing made from scaffold tube and used that to remove engines, first was a 100E, still have the alloy chain hoist that followed my dad home from Fuller Electric, think it was intended for lifting transformers out of their oil bath,
I also did exactly that, but used a halfords turfor - my tool of choice for removing engines for many years. I found that you could get it bouncing like a pendulum whilst lowering the engine - letting go the turfor and guiding it in...