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Glow Plug

Glow plug in glow engine and in package

Photo © M. James
Definition: The engine in hobby-grade radio controlled vehicles that use nitromethanol fuel is known as a glow engine.

RCs That Have Glow Engines: While electric RCs have motors, some RC vehicles -- almost always hobby-grade -- have engines that are powered by liquid fuel. Those that use nitro fuel have nitro engines -- also called glow engines.

Why It's Called a Glow Engine: Engines that use nitro fuel have a glow plug. Similar to a spark plug, the glow plug is so named because a filament inside the plug glows when the plug is hot. An engine with a glow plug is commonly called a glow engine.

Also Known As: nitro engine | gas engine
Examples:
Most toy-grade RCs are powered by batteries and run on electric motors but nitro RCs with glow engines are common in professional RC racing.
RC Terms Related to Glow Engine

Tina Samuels
About.com Radio Controlled Vehicles

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