Flex-O-Fold Prop

For anyone who has followed the long and tedious thread on my F-O-F prop, here is the conclusion: I finally exchanged the blades to 18x11.  This is either the perfect pitch or slightly under.  An 18x12 would probably work fine too, but the 18x13 was clearly too much.  My RPM is around 3750 while it should be 3600.  Trouble is,…

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