40NX Glow Engine w/Muffler by Evolution

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Frederick, MD

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This product was added to our catalog on February 18, 2011.

This is the Evolution 40NX Glow Engine. The NX series is designed to provide a unique combination of powerful performance, reliable engineering and remarkable ease of use. The .40NX is the same size and weight as .32-size glow engines offered by other manufacturers, but packs more of a punch. Its displacement of .40 cu in provides sport models with plenty of get-up and-go without adding weight. And since it’s an Evolution engine, the .40NX has the innovative low-speed SetRight™ needle valve with a lever that makes easy adjustments and takes all the guesswork out of operation.


  • More displacement, but same size and weight as .32-sized engine.
  • Designed for use on 25-36 sized aircraft.
  • Aftermarket high performance muffler available for more power.
  • Low-speed SetRight needle valve.
Type: Lite Case 2-Stroke
Displacement: .41 cu. in. (6.74cc)
Bore: .845 in. (21.69mm)
Stroke: .717 in. (18.21mm)
Cylinders: Single
Total Weight: 12.5 oz. (356g)
Engine (Only) Weight: 10.0 oz. (285g)
Muffler Weight: 2.5 oz (71g)
Crankshaft Threads: 1/4-28
Benchmark Prop: 10 x 6 @12,800
Prop Range: 9 x 6 - 11 x 5
RPM Range: 2,500 - 17,000
Fuel: 5 - 30% Nitro, 18% Synthetic or Synthetic/Castor mix oil
Muffler Type: Expansion Chamber
Cylinder Type: ABC
Carb Type: Barrel