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Message: <blockquote data-quote="Superlucky" data-source="post: 475422" data-attributes="member: 24214">In your opening page you indicated that you went from a 9p prop to an 11p prop. I think you went the wrong way........ A lower pitch prop would help with the lower speed and to get on plane. (I don't know if they have a lower pitch than 9p)Do you have any idea what your RPM was?  Did you get even close to max? Is there any chance there is something wrong with the motor not getting up to RPM?  Perhaps you could purchase a tach on the internet and let us know what RPM's are being reached. I do believe that you are way "under-motored".</blockquote>