I know this is not right forum but I need more exposure
19 foot ranger reata with 150 optimax. Wanted different prop for kids ski knee board etc. so I put on an 18 p stiletto 4 blade Really quick whole shot and planes off quick. I can only barely trim it up or it slips and revs up. Handles very well trimmed all way down or couple bumps up. runs wot 5000 rpm and 40 mph. This is a10 mph loss in comparison to my 19 tempest which ran about 50 with 5500 rpm. This four blade seem like the right one for the ski / tow application ?? I'm concerned about the rpm and the slippage when trimming up. Maybe it's fine trimmed down.