I have Flex Innovations' new Twin Otter. It is one BADASS airplane. It came with 14x6 two blade props and flies great on them. However, the full-scale Twin Otter has three blade props and I wanted switch my Twin Otter to 3 blade props as well. I couldn't find 13x6 three blade props for electric aircraft and MAS's conventional 3 blade props have a hub too thick for most electric. I contacted MAS and their VERY helpful/knowledgeable tech, Lazar, recommended the 3MR Series 13x6.5 props. While desig...