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| | | | | | | Thrustor® SIZE APPLICATION CHART | | | | | | Thrustor® SIZE (1) | PROP DIAMETER (2) | HORSE POWER (3) | | 20.5" Thrustor® | 17.0" to 18.5" | 200hp to 300hp+ | | 18.5" Thrustor® | 15.0" to 16.5" | 200hp to 300hp+ | | 16.5" (4) Thrustor® | 13.0" to 14.5" | 90hp to 250hp | | 14.5" Thrustor® | 11.0" to 12.5" | 50hp to 100hp | | 12.5" Thrustor® | 9.0" to 10.5" | 25hp to 50hp | | 10.5" Thrustor® | 7.0" to 8.5" | 5hp to 25hp | | (1) A356 Aluminum Construction & Type 3 Hard Anodizing is Dielectric. Unlike All Other Propeller Guards, the Thrustor® Operates at all Speeds. | | (2) Light Weight Planing Hull & Low Speed Vessels May be Able to Utilize Closer Tollerances, Allowing Prop Diameters to Increase by up to 1.0". | | (3) Planing Boats with Twin Motors may Require Power Assist Steering. | | | (4) The 16.5" Thrustor® Also Fits 40hp to 90hp Mercury Big Foot Motors. | |
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