🔧 RC Crash Crew

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🔤 RC Glossary

Every RC term, decoded

Cars, crawlers, boats, planes, helis, drones, tanks and radios — every real term, plain English, no jargon left behind. New to RC? Start here.

447

Terms

17

Categories

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Cross-linked to the Wiki, Guides and Tuning Guide.

C

🚤 Catamaran A twin-hull boat design that rides on two sponsons — common for hig… 🚤 Cavitation When the pressure drop on the back of a spinning propeller blade is… 🚤 Chine The edge where the bottom of the hull meets the side. 🚤 Cooling Head A water jacket fitted around a boat's motor or engine that circulat…

D

🚤 Deadrise The angle of a hull's bottom relative to flat — more deadrise handl… 🚤 Deep-V A hull shape with a sharp V-shaped cross-section, built to cut thro… 🚤 Drive Dog The small collar that sits on the prop shaft and actually transmits…

F

🚤 Flex Shaft A flexible driveshaft running from motor to propeller, letting the…

H

🚤 Hatch Tape Clear tape run around the hatch to seal the join and keep water out… 🚤 Hull A boat's main body/shell — displaces water to keep it afloat and sh… 🚤 Hydroplane A hull design that rides up and skims mostly on the surface of the…

K

🚤 Keel The weighted fin hanging under a sailboat that stops it blowing sid…

M

🚤 Mono Hull A single-hull boat design — the traditional RC boat shape, as oppos…

O

🚤 Outrigger (Rigger) A small stabilizing float mounted out to one side on certain race h…

P

🚤 Planing Hull A hull shaped to climb up and skim across the surface of the water… 🚤 Prop Cupping A small lip curled into the trailing edge of each propeller blade,… 🚤 Prop Pitch How far a propeller would screw itself forward in one full turn, wh…

R

🚤 Rooster Tail The plume of water thrown into the air behind a fast boat. 🚤 Rudder (Boat) The underwater steering fin at the stern of a boat that turns it, w…

S

🚤 Sail Winch The drum servo on an RC sailboat that hauls the sail lines in and l… 🚤 Self-Righting A boat design or feature that flips the model back upright by itsel… 🚤 Sponson One of the two outer hull sections on a catamaran that provides lif… 🚤 Strut The shaft housing that supports a boat's propeller shaft where it e… 🚤 Stuffing Tube The tube running through the bottom of the hull that the flexible d…

T

🚤 Trim Tab An adjustable underwater tab at the stern that fine-tunes how the b… 🚤 Turn Fin A small fin mounted near the propeller that helps a boat corner cle…

W

🚤 Water Pickup A small tube that draws water from around the propeller to cool a b… 🚤 Water-Cooled ESC A speed controller fitted with a cooling plate that lake water is p…