🔧 RC Crash Crew

로그인 무료 가입

🔤 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

🎮 Test yourself — no pressure

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

#

🔋 2S / 3S / 4S How many LiPo cells are wired in series. Each cell is 3.7V nominal,…

A

🔋 AWG (Wire Gauge) The American Wire Gauge number describing how thick a wire is — the… 🔋 Amp Draw How much current, in amps, the motor and ESC actually pull from the… 🔋 Arm / Disarm The step (a throttle sequence, switch, or button) that enables an E…

B

🔋 BEC Battery Eliminator Circuit — a small voltage regulator (usually in… 🔋 Balance Charger A charger that monitors and charges each LiPo cell individually thr… 🔋 Balance Lead The small white plug on a LiPo pack that gives the charger a separa… 🔋 Battery Connector (XT60/XT90/Deans/EC5) The plug that joins a battery to the ESC. Bigger connectors (XT90,… 🔋 Brownout A momentary voltage drop severe enough to reset the receiver or rad… 🔋 Brushless A motor with no physical brushes — more efficient, powerful and lon…

C

🔋 C-rating A LiPo's safe continuous discharge rate, as a multiple of its capac… 🔋 Capacitor (Cap Pack) An electrical component on (or added to) an ESC that smooths the vo… 🔋 Charge Rate (1C, 2C...) How fast a battery is charged, as a multiple of its capacity — 1C o… 🔋 Cycle Life How many charge-and-discharge cycles a pack will do before its capa…

D

🔋 Delta Peak The charge-termination method used for NiMH packs, where the charge… 🔋 Drag Brake An ESC setting that applies a set amount of braking automatically w…

E

🔋 ESC Electronic Speed Control — the module that takes the receiver signa…

I

🔋 IR (Internal Resistance) A measure of a LiPo cell's health — how much it resists current flo…

K

🔋 Kv A brushless motor's RPM per volt with no load.

L

🔋 LVC (Low-Voltage Cutoff) A safety feature that cuts or reduces motor power when the battery… 🔋 LiFe / LiHV LiFe (Lithium Iron Phosphate) is a safer, lower-voltage LiPo varian… 🔋 LiPo Lithium-Polymer battery — the light, high-power rechargeable pack m…

M

🔋 Motor Timing The ESC setting that advances when it fires the motor's windings. M… 🔋 mAh (Capacity) Milliamp-hours: how much charge a pack holds, which is what sets ho…

N

🔋 NiMH Nickel-Metal Hydride battery — heavier and lower-voltage than LiPo,… 🔋 Nominal Voltage The average working voltage a cell is labelled with — 3.7V for a Li…

P

🔋 Parallel Charging Charging several LiPo packs at once by joining them positive-to-pos… 🔋 Puffed A swollen LiPo — a sign of damage or abuse (over-discharge, over-ch…

R

🔋 Rotor (Motor) The spinning magnet assembly inside a brushless motor that the stat…

S

🔋 Sensor Wire (Sensor Harness) The flat ribbon cable carrying rotor-position information from a se… 🔋 Sensored A brushless motor with a sensor that tells the ESC exactly where th… 🔋 Sensorless A brushless motor without a position sensor — the ESC estimates rot… 🔋 Soldering Joining wires and connectors with molten solder — the standard way… 🔋 Stator The stationary part of a brushless motor: the laminated iron teeth… 🔋 Storage charge Bringing a LiPo to about 3.8V per cell for storage — the voltage th…

T

🔋 Thermal Shutdown Built-in ESC protection that cuts or heavily reduces power when the… 🔋 Turns (T) The number of wire windings on a brushless motor — the traditional…

V

🔋 Voltage Sag The temporary drop in a battery\x27s voltage while it is under heav…

W

🔋 Watt A unit of electrical power — volts × amps. The real-world measure o… 🔋 Watt Meter (Power Meter) An inline meter fitted between battery and ESC that reads real volt… 🔋 Watt-Hours (Wh) A pack\x27s total energy — nominal voltage multiplied by capacity i…