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Product Overview

Smooth operation — lasting value

Finding an engine with enough power for your model is easy. Finding an engine that offers you more than the DLE-40 Twin? That's next to impossible.

DLE offers the ease and efficiency of electronic ignition, the smooth operation and long life of an opposed twin and the incredible bang-for-the-buck that all DLE engines offer. Features that are extras on other engines are standard equipment on DLE engines. They run from high-dollar items such as electronic ignition and muffler(s) down to conveniences like mounts, spark plugs and connectors.


  • Light, efficient design for a high power-to-weight ratio
  • Lightweight piston for fast acceleration, excellent compression and low vibration
  • CNC-machined parts for high performance and long life
  • Sealed crankshaft bearings
  • Optimized pumper carb
  • Updated mufflers for sound reduction, excellent aeration and power
  • Phenolic insert to insulate carb from crankcase heat
  • Composite backplate mount
  • Opposing cylinders help dampen vibration that can prematurely "age" engines and airframes and reduce engine life.


  • Displacement: 40.0 cc (2.45 cu in)
  • Bore (x 2): 1.26 in (32 mm)
  • Stroke (x 2): 0.98 in (25 mm)
  • Total Weight: 3.3 lb (1.5 kg)
  • RPM Range: 1500-8500
  • Output: 4.8 hp @ 8500 rpm
  • Includes: electronic ignition module, 2 each of mufflers and spark plugs, standoffs, spiral wire wrap, connector safety clips & manual
  • Requires: ignition battery & propeller
  • Suggested Propellers: 19x8, 19x10, 20x8 & 20x10


Technical Data

  • Ignition Battery: 4.8-8.4 NiCd or NiMH, 6.6V LiFe or 2S LiPo pack
  • Gas/Oil Mix: 30:1
  • Replacement Spark Plug: DLEG4026
  • Static Thrust: 20.9 lb (9.5 kg) @ 328 feet altitude, 18.7 lb (8.5 kg) @ 1,800 feet altitude
  • Weight Breakdown: Engine: 2.58lb (1170 g), Muffler (x2): 3.6 oz (102 g), Ignition Module: 5.3 oz (149 g), Standoffs: 0.7 oz (19 g), Misc: 2 oz (56 g)
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