Watch a Guy Build a Twin-Cylinder Nitro-Burning R/C Car Engine

How do you build a two-cylinder engine for a radio controlled car? Simple: Just slap two single-cylinder engines together.

YouTube/ JohnnyQ90

Nitro-powered R/C cars are awesome—outrageously capable miniature vehicles powered by teensy-weensy single-cylinder engines that burn nitromethane. But what's better than one nitro engine? Two of them, ganged together like a 1/10th-scale dragster.

has an entire channel dedicated to designing, building, hacking and tinkering with tiny piston and turbine engines. Previously, we've shown you his projects including a nitro-powered rotary tool and a two-stroke engine with a transparent crankcase. In this project, he builds a twin-engine setup with side-by-side motors turning a single output shaft.

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It seems simple enough, but the project took a ton of work. JohnnyQ90 had to design and fabricate a new intake, twin exhausts, and a system to get the two engines' output shafts to turn a single clutch. There's plenty of soothing, mesmerizing lathe footage here—everything is built from raw metal stock—and the precision is fascinating.

We're hoping this micro-monster-motor will go into some kind of outrageous R/C project, but even if it just sits on a workbench somewhere, it's undeniably cool.

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