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Image for Evolution .46NX Glow Engine with Muffler from HorizonHobby
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Key Features

  • Redesigned cylinder head for even greater power
  • Same ease of use and reliability
  • True ABC piston and cylinder construction for more performance and longer engine life
  • Includes optional SetRight™ needle valves for easy starting and great performance
  • Rear needle valve provides safe, easy adjustments
  • Dual ball bearing-supported crankshaft extends engine life and improves reliability


The Evolution® .46NX will be replacing the popular .46NT engine. This redesigned engine incorporates a new combustion chamber design that increases the compression and power of the engine. Its improved combustion chamber design and higher compression ratio result in more power at the same weight as the original. Along with the internal engineering updates, the .46NX sports a sleek external case. With improved performance and looks, the .46NX will be a great option for modelers looking to power their .40- to .50-size airplanes.

Benchmark Prop: 11x6 @ 12500 rpm
Bore: .86 in (21.8mm)
Carb Type: Barrel with two needles
Crank Type: Ball Bearing
Crankshaft Threads: 1/4 x 28
Cylinder Type: ABC
Cylinders: Single
Displacement: .46 cu. in. (7.50 cc), .46 cu. in. (7.50 cc)
Engine (Only) Weight: 13.76 oz (390 g)
Muffler Type: Cast
Stroke: .80 in (20.3mm)
Total Weight: 16.96 oz (482 g)

Parts Listing

 $26.96 $29.95
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 $15.68 $16.50
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Hop Ups

Optional Accessories