Re: Prop question: how can you tell pitch? Or if the hub is spun? Home › Forum › Ask A Member › Prop question: how can you tell pitch? Or if the hub is spun? › Re: Prop question: how can you tell pitch? Or if the hub is spun? nj-boatbuilder57Replies: 286Topics: 41 April 24, 2018 at 3:00 am #74622 I meant "how can I know if the hub is good on the workbench"? Is there a test? Apply some torque and see if there’s slip?