walleyehed
Admiral
- Joined
- Jun 29, 2003
- Messages
- 6,767
As this is copied from Wordperfect 10, it didn't format perfectly, I apologize for that...the prop, manufacture, rpm and speed are listed after each prop and if you read carefully, you can extract those numbers.<br />I hope this is of some use to all who read it. I learned many things about blade design during this testing and some designs are just not suited for some applications, but I did get a very good feel of how each design performs and where it is best suited.<br />If you have any questions, please, ask away.<br />Remember, these are all SS props. <br /><br /><br />PROPELLER TEST RESULTS<br />FOR 3-BLADE STAINLESS, THRU-HUB EXHAUST DESIGNS.<br /> <br />BY KENNY SANDERSON<br />2 PROPELLER DESIGNS WERE THE FOCUS OF THIS TEST<br />#1. WAS TARGETED FOR HIGH-END PERFORMANCE, THRU-HUB DESIGNS FOR HIGH-PERFORMANCE, OUTBOARD TYPE HULLS.<br />#2. WAS TARGETED AT THE HEAVIER, STERNDRIVE AND CENTER CONSOLE-TYPE BOATS WHERE LARGE BLADE AREA IS REQUIRED FOR BEST PERFORMANCE.<br />THE BOAT COMBINATION USED FOR THE TESTING IS AN 18FT., ALUMINUM DEEP-V WITH A 6 INCH JACKPLATE WITH TRANSOM MODIFIED TO HANDLE A 2.5L, 200HP EVINRUDE.<br />MOBSTER TABS BY NAUTICUS INC, WERE INSTALLED TO ALLOWED THE SPEEDS ATTAINED<br />DURING THE OPERATION OF THIS BOAT AND CREATED A SAFE PLATFORM WITH EXCELLENT HANDLING QUALITIES.<br />SOME PROPS ARE LISTED TWICE, NOT ALL PROPS WERE TESTED ON THE SAME DAY, BUT EACH PITCH GROUP WAS RUN ON A SPECIFIC DAY, SO DATA FROM EACH PITCH WILL BE UNIFORM TO CONDITIONS.<br />TEST CONDITIONS ARE AS FOLLOWS FOR THE DEEP-V ALUMINUM PLATFORM.<br />FOR LOAD SIMULATION, SAND BAGS WERE USED FOR WEIGHT, POSITIONED WHERE PASSENGERS WOULD NORMALLY BE.<br />FOR THE HIGH-PERFORMANCE PROPS, 19P AND UP, 200LBS OF SAND BAGS WERE PUT WERE THE PEDESTAL FOR THE LEFT SEAT WOULD BE.<br />FOR 17P AND SMALLER, 600LBS OF SAND BAGS WERE ADDED TO SIMULATE A HEAVIER TYPE BOAT.<br />FOR THE LARGE BLADE AREA PROPS, 200LBS OF BAGS WERE PLACED IN THE LEFT SEAT POSITION AND 400LBS IN THE REAR WITH AN ADDITIONAL 200LBS FORWARD OF THE CONSOLES.<br />ALL REQUIRED GEAR PLUS 175LBS OF TACKLE, A 24 VOLT 62 INCH MINNKOTA TROLLING MOTOR WITH 2 GROUP 31 BATTERIES WERE ALSO LEFT MOUNTED TO SIMULATE ACTUAL, REAL-WORLD CONDITIONS.<br />PLEASE KEEP IN MIND, MY RESULTS ARE UN-BIASED, I WAS NOT PAYED OR REIMBURSED IN ANY MANNER TO TEST THESE PROPELLERS, THIS TASK IS ALL MINE AND TOTALLY INDEPENDENT OF ANY AND ALL MANUFACTURERS.<br />THE HIGH-PERFORMANCE PROPS WILL LIST TOP RPM AND SPEED VIA GPS. THIS LIST WILL ALSO INCLUDE VENT HOLE SIZE IF SO DESIGNED BY FACTORY.<br />HOLE-SHOT CHARACTERISTICS WILL BE LISTED AS WELL.<br />IN SOME CATEGORIES, THERE WILL BE PROPS OF 1" TO 2" DIFFERENT PITCH AS REFERENCE PROPS FOR COMPARISON.<br />ON THE FOLLOWING PAGES, THE BOAT, PROP MANUFACTURER AND SIZE WILL BE LISTED, WITH SPEED VALUES AND RPM. HOLE-SHOT AND/OR VENTING HOLES WILL BE NOTED AS WELL. ALL PROPS WERE RUN TO MAX EFFICIENCY AND ONLY TOP FIGURES WILL BE LISTED.<br /><br />ALUMINUM DEEP-V, 200 EVINRUDE, PERFORMANCE PROPS<br />MANUFACTURE RPM MPH NOTES<br />OMC 15X17 6350 48.1 GOOD HOLE-SHOT<br />TURBO1 14.25X17 6300 50.9 <br />STILETTO 14.25X17 6300 50.2 <br />VIPER 14.875X17 6200 48.8 <br />BALLISTIC 14.75X17 6150 46.6 VENTS EASILY WITH TRIM<br />RAPTURE 14.25X17 6250 47.4 VENTS ON HOLE-SHOT<br />MANUFACTURE RPM MPH NOTES<br />RAPTURE 14.25X19 <br /> 6100 <br /> 49.9 <br />MWC 14.5X19 6100 52.0 GOOD HOLE-SHOT<br />BALLISTIC 14.5X19 6000 50.6 HOLE-SHOT SLOWER<br />TURBO1 14.25X19 6050 53.1 <br />OMC SST 14.5X19 6100 52.1 <br /> <br /> <br /> <br /><br />RAKER 14.5X20 5800 54.7 3/8" VENTS EXCELLENT HOLE-SHOT<br />MANUFACTURE RPM MPH NOTES<br />MWC 14.25X21 5750 53.9 FAIR HOLE-SHOT<br />BALLISTIC 14.375X21 5700 53.2 POOR HOLE-SHOT<br />VENTED 3/8"<br />OMC SST 14.25X21 5700 54.2 <br />VIPER 14.875X21 5650 54.4 GOOD HOLE-SHOT 5/16" VENTS<br /><br /><br />MANUFACTURE RPM MPH NOTES<br /> <br /> <br />TURBO 14.25X21 5700 55.4 <br />MANUFACTURE RPM MPH NOTES<br />MW EDGE II 14.25X22 5700 54.0 <br />RAKER 14.5X22 5600 55.1 <br />MANUFACTURE RPM MPH NOTES<br />TEMPEST +14-5/8X23 5400 55.7 GOOD LIFT<br /> <br />MANUFACTURE RPM MPH NOTES<br />RAKER 14.5X24 5250 56.1 HIGH CYL HD TEMP<br />SCORPION 15-1/8X24 5250 56.3 <br />BALLISTIC 14.5X24 5200 54.7 VENTS EASY AT HEIGHT<br />MWC 14.25X24 5200 54.9 <br />MANUFACTURE RPM MPH NOTES<br />TURBO 1 14.25X25 5050 55.4 HIGH CYL HEAD TEMP<br />RAPTURE 14.25X25 5100 55.0 <br />MANUFACTURE RPM MPH NOTES<br />SCORPION 15-1/8X26 4900 56.1 STILL FAIR HOLE-SHOT<br />TEMPEST 14-5/8X26 4950 57.3 GOOD HOLE-SHOT WITH PLUGS REMOVED<br />BALLISTIC 14.5X26 4900 54.9 <br />RPM BELOW NEAR 5200 SHOWED HIGHER THAN NORMAL CYLINDER HEAD TEMPS AND HIGH FUEL CONSUMPTION <br /> <br /> <br />HEAVY LOAD PROPS <br />MANUFACTURE RPM MPH NOTES<br />MWC 013052 15X15 6550 42.1 PUSHES 800LBS OF SAND BAGS LIKE THEY ARE FILLED WITH AIR<br />LEXOR 15.75X15 6500 41.9 <br />MIRAGE PLUS 15.75X15 6500 41.7 <br />MANUFACTURE RPM MPH NOTES<br />OMC 431930 15X17 6300 44.6 SLOWER HOLE-SHOT<br />LEXOR 15.5X17 6250 45.2 <br />VENGEANCE 14.5X17 6300 44.8 LITTLE SLOW OUT OF HOLE<br />BALLISTIC 14.75X17 6100 44.1 NOT A GOOD LOAD PROP<br />MANUFACTURE RPM MPH NOTES<br />MWC 14.5X19 5850 47.6 SLOW HOLE-SHOT-NO VENTS<br />VENGEANCE 14X19 5850 46.9 <br />MANUFACTURE RPM MPH NOTES<br />MIRAGE+ 14.75X21 5500 48.6 HOLE-SHOT BETTER THAN EXPECTED<br />LEXOR 15X21 5500 49.1 HOLE-SHOT AS ABOVE WITH GOOD MID-RANGE <br />TURBO 1 14.25X21 5550 48.0 VENTED BUT PRETTY SLOW HOLE-SHOT WITH MAX LOAD<br />VENGEANCE 13.75X21 5600 48.2 NO VENTS AND SLOW HOLE-SHOT, BUT GOOD MID-RANGE