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R/C Boat Primer
Radio controlled boats run the gamut from small pond racers to large, powerful hydroboats. Boats are powered by electric motors, glow fuel or gasoline engines.
R/C boats can be ready-to-run or they can be kits that you build, much like a real boat. Prices range from $85.00 to $2,000.00 and up!
Many of the terms used in R/C boating come right from the real boat world. The following is a small basic guide to miniaturized boating:
Displacement hulls have round-bottoms with large underwater profiles, which are designed to move slowly through the water. Generally, these boats need to be outfitted with a deep keel or stabilizers to prevent rolling.
Planing hulls are designed to rise up and ride on top of the water when power is applied. These hulls run much faster because they encounter less resistance. There are three types of planning hulls:
Motors & Engines
The engine or motor is mounted in the hull toward the center. Inside a stuffing-box, it is connected to the shaft that goes through the hull and is attached to the propeller.
Without using propellers, the inboard engine or motor takes in water that flows through an impeller and is discharged at high pressure through a nozzle to propel the boat forward. The nozzle swivels to provide steering.