Dxb6339 Posted November 30, 2020 Report Share Posted November 30, 2020 2008 Pathfinder 24 TE, no t-top, F300, OFX4 original pitch 20 repitched to 21.5/22P Just repowered the boat and am playing with the prop. Boat stays pretty square up to 5K, and tops at 5750 RPM at 55mph. Feel like I should be able to get a little more. Anybody with some experience on this set up? Half tank of fuel, calm conditions, fishing gear, 36v trolling motor, 4 yr old daughter 4050Rpm 40.1Mph 3.3mpg 4500rpm 45 mph 2.82mpg 4950rpm 49.2mph 2.4mpg 5500rpm 54.2mph 2.07mpg 5750rpm 55.4mph 2.05mpg Thanks for any info Did some more testing with various props, probably 7 total props but these were the best three. I would still like to get my hands on a stock OFX4 in 21p as I think it would still out MPH the other two but allow my max rpms to be a little higher as I has to work to get to 5700/5750 with the reworked prop. The Tempest is a very impressive prop, Im very happy with it, I can not get it to break lose in turns or cavitate, it feels like a 4 blade and keeps the wheel extremely light even at WOT. The OFX4 gets very sticky on the wheel once over 5500 RPMs and takes a good bit to turn. Pathfinder 24TE with F300 Yamaha Full Tank 80 gallons, one person, 4 AGM batteries, 36v trolling motor, equipment, tackle boxes and fishing set ups in rod lockers. RPM 3500 4000 4500 5000 5500 Max Tempest Plus 21p 31 36 42 47 53 5850/56.5 Tempest MPG 4.22 3.47 2.89 2.69 2.35 2.12 Bravo 1 FS 22p 28.2 35 41.8 47 52.3 5950/55.7 Bravo MPG 4.16 3.45 3.03 2.69 2.38 2.06 OFX4 20p reworked to 21.5p 33.3 39 45 49.2 54.8 5700/56 OFX4 MPG 4.09 3.25 2.85 2.35 2.00 OFX4 21P 35.8 41.4 46.7 51 55 5800/57.5 OFX4 MPG 4.07 3.34 2.67 2.48 2.27 2.14 Finally got my hands on a stock OFX4 in 21p. The numbers are phenomenal and are what I expected after the repower. Fuel numbers are tad down compared to the Merc props in same RPM ranges but speed to speed MPG is much better. Merc props did not like any jackplate but this one likes 3 inches or so over 5K rpm. After the test runs we went fishing with 4 people and gear and the 4 blade held the performance very well and stayed above square on MPH/RPM. Quote Link to comment Share on other sites More sharing options...
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