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? frankrUS Member - 1 Year (includes $3 online payment fee)Replies: 6715Topics: 51 April 24, 2018 at 1:51 pm #74646 Very true.