Explore this vintage multi-page technical article from the January 1976 issue of Powerboat magazine, titled \"How To Prop Inboard.\" This comprehensive feature delves into the critical aspects of boat propeller selection, offering valuable insights into performance, efficiency, and various propeller types for inboard motors. The article includes detailed test results, comparison tables for different propellers from leading manufacturers like Ellis, Federal, and Johnson, and discussions on RPM and optimal pitch.Beyond the in-depth propeller analysis, this spread also highlights the innovative Hamilton series 751 single stage jet drive, featuring a dedicated advertisement for HamiltonJet. It provides specifications and details about this unique propulsion system, making it a fascinating piece for marine enthusiasts, boat owners, and collectors of vintage boating ephemera. The pages are richly illustrated with images of propellers, boats, and technical diagrams, offering a glimpse into marine technology and advertising from the mid-1970s.

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