Originally Posted by Billabong
'trim' isn't the angle of the blades Chip...... NOT trying to pick faults, but that's as bad as 'wastegate chatter'
It is the angle mate, indirectly, as Trim is the difference between the inner and outer circle diameters and thats what determines the angle on the blades, so thats what you see when you look at it.
But yes you are correct that a more accurate explanation would have been to mention the inducer and exducer areas
