| 摘要 |
A propeller hub assembly having a through-hub exhaust propeller hub characterized by an interior overlap zone defined by the composite interior dimensions of a selected number of conventional propeller hubs and optionally fitted with a removable exhaust ring and/or sized ventilation plugs. The hub assembly of this invention includes specially designed driver adaptors for insertion in the overlap zone of a universal propeller hub and accommodating corresponding conventional OEM factory thrust washers normally used in the conventional propeller hubs. The overlap zone design facilitates installation of the propeller hub assembly on any conventional lower unit outdrive utilizing the OEM factory thrust washers and corresponding driver adaptors. The exhaust ring and sized ventilation plugs facilitate optimum engine exhaust porting through the hub assembly for various applications, such as racing and other high performance operation.
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