Prop Gods recommended a Tempest in a 23p. My prop slip was 14% not 11% as reported. They suggested the Rev-4 was not faster than the Mirage in their experience. Tempest has the same blade design as the Rev-4 just 3-blades with lots of bite. The Tempest turns a few more rpm than the Mirage in the same pitch. Prop is on the way for testing..
Keep you posted.
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