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August 2013 Backward Glances Ford Gpa Propeller

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The GPA’s water propulsion and steering is more like a boat. The propeller and rudder operate in a tunnel, which protects them from debris. The GPA prop is notorious for its inefficiency and some GPA owners have had new props built which greatly improve thrust. As you can see, the axles and suspension hang in the water, so increased axle maintenance is a must.

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