It is probably a worthy discussion, but I am not sure if I would expect a whole lot of difference between two different 17 X 17 props, just different manufacturers. They can adjust the cup, but the bulk of the thrust is provided by the diameter and pitch nonetheless.
I am sure that OJ would let you test one out and return it as long as you don't ding it, for just the price of shipping. Relative to the price of the purchase, that is chump change to be sure you have the best prop for your usage patterns.
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