Speed doctors: how the pros make a go-fast faster

Article Abstract:

A project to increase the speed of a Fountain 42 Lightning equipped with twin MerCruiser HP500 V-8 engines is described. The baseline speed of 64.5 mph was upped to 69.7 mph by increasing propeller pitch and changing the gear ratio.

Author: Speer, David
Design and construction, Speed, Motorboats, Motorboat engines

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Pitched battle: how to pick the perfect propeller

Article Abstract:

Six propellers were tested in a Maxum 2400/SC motorboat. Best performance was provided by the stainless steel Precision Turbo I and Mach Performance Alco.

Author: Speer, David
Propellers, Precision Turbo I (Propeller), Mach Performance Alco (Propeller), Mercury 48-7812A40 (Propeller), Mercury HighFive (Propeller), Gil Marine Six-Gun (Propeller), Quicksilver (Propeller)

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Subjects list: Evaluation
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