Workhorse Fixed Propeller
The Michigan Wheel Work Horse™ is excellent fixed propeller for large displacement vessels. As the best known commercial 4 blade propeller in the world, its ability to push hard working boats is undisputed. It is designed for tug boats, push boats, and maxi yachts that require maximum thrust — where low speeds do not necessitate skewed blades. Semi-elliptical blade shape and constant pitch allows for excellent reverse thrust performance that is necessary in maxi yachts.
- Number of Blades 4
- Blade Area Ratio 0.71, 0.62
- Diameter Range 18″ – 60″, 61″ – 100″
- Materials Bronze, NiBrAl, Stainless Steel
- Boat Types Displacement Yachts, Push/Tug Boats, Shrimp Boats, Trawlers, Draggers
Workhorse Specifications
| Diameter - Inches | Diameter - MM | Hub Dimensions - Aft End | Hub Dimensions - Fwd End | Hub Dimensions - Length | Standard Taper Bore - Min | Standard Taper Bore - Max | Standard Taper Bore - Pilot | Maximum Blade Width (Inches) | Expanded Area Per Blade (SQ. IN) | Approx. Net Weight (LBS.) | *WR2 (LBS.-IN2) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 229 | 1-5/16 | 1-7/16 | 2-1/8 | 3/4 | 3/4 | 3/4 | 3-7/8 | 11.8 | – | – |
| 10 | 254 | 1-7/16 | 1-5/8 | 2-1/8 | 3/4 | 7/8 | 3/4 | 4-5/16 | 14.5 | – | – |
| 11 | 279 | 1-7/16 | 1-5/8 | 2-1/8 | 3/4 | 7/8 | 3/4 | 4-5/8 | 17.6 | – | – |
| 12 | 305 | 1-9/16 | 1-3/4 | 2-5/8 | 7/8 | 1-1/8 | 7/8 | 5-1/16 | 20.9 | – | – |
| 13 | 330 | 1-9/16 | 1-3/4 | 2-3/4 | 1 | 1-1/8 | 1 | 4-15/16 | 22.7 | – | – |
| 14 | 356 | 1-3/4 | 2 | 3 | 1 | 1-1/8 | 1 | 5-5/16 | 26.4 | – | – |
| 15 | 381 | 1-3/4 | 2 | 3 | 1 | 1-1/8 | 1 | 5-5/8 | 30.3 | – | – |
| 16 | 406 | 1-15/16 | 2-3/16 | 3-3/8 | 1-1/8 | 1-1/4 | 1-1/8 | 6-15/16 | 34.5 | – | – |
| 17 | 432 | 2 | 2-5/16 | 3-3/8 | 1-1/8 | 1-3/8 | 1-1/8 | 6-7/16 | 38.9 | – | – |
| 18 | 457 | 2 | 2-5/16 | 3-3/8 | 1-1/8 | 1-3/8 | 1-1/8 | 6-7/8 | 43.6 | 17 | 370 |
| 19 | 483 | 2-1/8 | 2-7/16 | 3-3/4 | 1-1/4 | 1-3/8 | 1-1/4 | 7-1/4 | 48.6 | 20 | 480 |
| 20 | 508 | 2-1/8 | 2-7/16 | 3-3/4 | 1-1/4 | 1-3/8 | 1-1/4 | 7-1/2 | 53.8 | 23 | 630 |
| 21 | 533 | 2-7/16 | 2-13/16 | 4-1/8 | 1-3/8 | 1-1/2 | 1-3/8 | 8 | 59.4 | 28 | 790 |
| 22 | 559 | 2-7/16 | 2-13/16 | 4-1/8 | 1-3/8 | 1-1/2 | 1-3/8 | 8-3/8 | 65.1 | 32 | 1,020 |
| 23 | 584 | 2-13/16 | 3-3/16 | 4-1/2 | 1-1/2 | 1-3/4 | 1-1/2 | 8-7/8 | 71.2 | 38 | 1,250 |
| 24 | 610 | 2-13/16 | 3-3/16 | 4-1/2 | 1-1/2 | 1-3/4 | 1-1/2 | 9-1/8 | 77.5 | 41 | 1,510 |
| 26 | 660 | 3-3/16 | 3-5/8 | 5-1/4 | 1-3/4 | 2 | 1-3/4 | 9-7/8 | 91 | 54 | 2,280 |
| 28 | 711 | 3-1/2 | 4 | 5-1/4 | 1-3/4 | 2-1/4 | 1-3/4 | 10-5/8 | 105.5 | 68 | 3,320 |
| 30 | 762 | 3-13/16 | 4-3/8 | 6 | 2 | 2-1/2 | 2 | 11-3/8 | 124.7 | 87 | 4,590 |
| 32 | 813 | 4-1/4 | 4-13/16 | 6 | 2 | 3 | 2 | 12-3/16 | 141.8 | 121 | 7,920 |
| 34 | 864 | 4-7/16 | 5-1/16 | 6-3/4 | 2-1/4 | 3-1/4 | 2-1/4 | 12-7/8 | 160.1 | 142 | 10,380 |
| 36 | 914 | 4-3/4 | 5-1/2 | 7 | 2-1/2 | 3-1/2 | 2-1/2 | 13-5/8 | 179.5 | 170 | 13,750 |
| 38 | 965 | 5-1/16 | 5-13/16 | 7-1/4 | 2-1/2 | 3-3/4 | 2-1/2 | 14-7/16 | 200 | 198 | 17,540 |
| 40 | 1,016 | 5-1/16 | 5-13/16 | 7-3/4 | 2-3/4 | 3-3/4 | 2-3/4 | 15-3/16 | 221.6 | 221 | 22,070 |
| 42 | 1,067 | 5-1/4 | 6 | 8 | 2-3/4 | 3-3/4 | 2-3/4 | 15-15/16 | 244.3 | 265 | 30,090 |
| 44 | 1,118 | 5-1/4 | 6 | 8 | 2-3/4 | 3-3/4 | 2-3/4 | 16-3/4 | 268.1 | 293 | 37,010 |
| 46 | 1,168 | 6 | 6-3/4 | 10 | 3 | 4 | 3 | 17-7/16 | 293.1 | 354 | 45,400 |
| 48 | 1,219 | 6 | 6-3/4 | 10 | 3 | 4 | 3 | 18-1/4 | 319.1 | 386 | 54,900 |
| 50 | 1,270 | 6-9/16 | 7-3/8 | 10-3/4 | 3 | 4-1/2 | 3 | 19 | 346.2 | 447 | 66,190 |
| 52 | 1,320 | 6-9/16 | 7-3/8 | 10-3/4 | 3 | 4-1/2 | 3 | 19-3/4 | 374.5 | 485 | 78,900 |
| 54 | 1,371 | 6-9/16 | 7-3/8 | 10-3/4 | 3 | 4-1/2 | 3 | 20-1/2 | 408.8 | 526 | 93,510 |
| 56 | 1,422 | 7-5/8 | 8-3/8 | 11-1/2 | 3-1/4 | 5 | 3-1/4 | 21-1/4 | 434.3 | 615 | 110,830 |
| 68 | 1,473 | 7-5/8 | 8-3/8 | 11-1/2 | 3-1/4 | 5 | 3-1/4 | 21-7/8 | 465.9 | 661 | 129,810 |
| 60 | 1,524 | 7-5/8 | 8-3/8 | 12 | 3-1/2 | 5 | 3-1/2 | 22-3/4 | 498.6 | 713 | 151,360 |
| 62 | 1,575 | 9 | 10 | 13-1/4 | 4 | 6 | 4 | 22-1/2 | 492.8 | 902 | 190,790 |
| 63 | 1,625 | 9 | 10 | 13-1/4 | 4 | 6 | 4 | 23-1/8 | 525.1 | 961 | 220,060 |
| 66 | 1,676 | 9 | 10 | 13-1/4 | 4 | 6 | 4 | 23-15/16 | 558.4 | 1,024 | 252,850 |
| 68 | 1,727 | 10-1/2 | 11-3/4 | 14-1/2 | 5 | 7 | 5 | 24-5/8 | 592.8 | 1,199 | 292,710 |
| 70 | 1,778 | 10-1/2 | 11-3/4 | 14-1/2 | 5 | 7 | 5 | 25-3/8 | 628.1 | 1,269 | 333,450 |
| 72 | 1,823 | 10-1/2 | 11-3/4 | 14-1/2 | 5 | 7 | 5 | 26-1/8 | 664.5 | 1,342 | 378,650 |
| 74 | 1,879 | 10-1/2 | 11-3/4 | 14-1/2 | 6 | 7 | 6 | 26-7/8 | 702 | 1,436 | 452,320 |
| 76 | 1,930 | 10-1/2 | 11-3/4 | 14-1/2 | 6 | 7 | 6 | 27-9/16 | 740.4 | 1,529 | 516,160 |
| 78 | 1,981 | 10-1/2 | 11-3/4 | 14-1/2 | 6 | 7 | 6 | 28-1/4 | 779.9 | 1,626 | 586,630 |
| 80 | 2,032 | 11-1/8 | 12-1/2 | 17 | 6 | 7-1/2 | 6 | 29 | 820.4 | 1,844 | 668,350 |
| 82 | 2,083 | 11-1/8 | 12-1/2 | 17 | 6 | 7-1/2 | 6 | 29-3/4 | 862 | 1,952 | 754,640 |
| 84 | 2,134 | 11-1/8 | 12-1/2 | 17 | 6 | 7-1/2 | 6 | 30-7/16 | 904.5 | 2,064 | 849,740 |
| 86 | 2,184 | 11-1/8 | 12-1/2 | 17 | 6 | 7-1/2 | 6 | 31-3/16 | 948.1 | 2,183 | 955,010 |
| 88 | 2,235 | 11-1/8 | 12-1/2 | 17 | 6 | 7-1/2 | 6 | 31-15/16 | 992.7 | 2,308 | 1,070,600 |
| 90 | 2,286 | 11-7/8 | 13-1/4 | 18-1/4 | 6 | 8 | 6 | 32-5/8 | 1,038.30 | 2,547 | 1,199,900 |
| 92 | 2,337 | 11-7/8 | 13-1/4 | 18-1/4 | 6 | 8 | 6 | 33-3/8 | 1,085.00 | 2,683 | 1,338,260 |
| 94 | 2,388 | 11-7/8 | 13-1/4 | 18-1/4 | 6 | 8 | 6 | 34-1/16 | 1,132.70 | 2,825 | 1,488,200 |
| 96 | 2,438 | 11-7/8 | 13-1/4 | 18-1/4 | 6 | 8 | 6 | 34-13/16 | 1,181.40 | 2,869 | 1,648,600 |