Performance differences between the Sensencih (UL Power) ground adjustable prop and the Whirlwind( Jabiru) 2 blade ground adjustable prop

Would like to know ,if anyone has compared the New Sensenich ground adjustable prop built for the UL Power engines ,to the Old Whirlwind ground adjustable  2 bladed prop built for the Jabiru but also used on the UL engines ,and if there are major performance differences between the two props on either the 701/750?

                                    Peter Skedsvold

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