Have a look here: http://www.flexofold.com/upload_dir/docs/Test_YachtingMonthly_low.pdf
The test is available at the Flex-o-Fold web site for obvious reasons (they came on top), but the test, as far as I know, was completely independent. Marek From: Wade Glew via CnC-List Sent: Tuesday, November 6, 2018 12:45 To: cnc-list@cnc-list.com Cc: Wade Glew Subject: Stus-List Folding Propeller May I please request some input and advice from list members re purchasing a folding propeller? I have a Yanmar 20GM20F with constant rating of 16 HP at 3400 RPM Gear Ratio is 2, 62 current prop is Michegan sailor fixed blade 16 RH 10 On Contacting FlexoFold they have recommended: " a 2-blade 16X11R propeller for your C&C 33 MK II sailboat." GORI, on the other hand, have recommended: " 15" x 12 x 2-blade RH – or 15" x 12 x 3-blade RH (at twice the cost) the cost of the FlexoFold and Gori 2 blade folding props are approximately the same after shipping etc (about $1200 USD) I don't know if I need a 3 blade prop and the cost is substantially higher. I would appreciate any opinions Wade Oh Boy 33 MK II
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