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DLE 55RA Single Cylinder Petrol Engine


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  • Description
  • DLE takes 50cc performance to a new level with the rear exhaust DLE-55RA. Everything about this engine screams performance, from the piston skirt – designed to be lightweight for quick throttle response and tons of power – to the rear exhaust that lets you easily install a tuned pipe in your aircraft. The 55RA provides 100 more rpm than the standard DLE55. It includes engines standoffs, electronic ignition, spark plug and Pitts style muffler.


    DLE Engines DLE-55RA Gasoline Engine - Accessories
    With DLE, accessories are an added value instead of an extra cost.
    DLE Engines DLE-55RA Gasoline Engine - Electronic Ignition
    Electronic ignition is the no-hassle answer to simpler starts, higher performance and minimal RF noise.

    High performance in a compact package
    Rear exhaust for the perfect tuned pipe setup
    Pitts style aluminum muffler
    Newly designed piston with re-engineered skirt for less piston
    weight resulting in such advantages as awesome throttle response,
    more power and longer engine life
    Electronic ignition is the no-hassle answer to simpler starts,
    higher performance and minimal RF noise, **Ignition Sensor
    available separately**
    Producing 100 more rpm than the DLE50, the DLE 55-RA comes with
    engine standoffs, electronic ignition, spark plug and muffler
    Two year limited warranty through Hobby Services beginning at date
    of purchase




    DLE 55-RA Gasoline Engine
    Electronic Ignition
    Pitts Muffler
    DLE CM6 Spark Plug
    Four Engine Standoffs with Mounting Hardware
    Integrated Choke Rod Guide
    Rear-mounted Carb
    Instruction Manual




    Gasoline with at least 87 octane rating
    2-cycle oil, mix ratio for this engine is 30 parts gas to one part
    oil and must be followed exactly for warranty consideration
    and optimum performance
    4.8 - 12V battery for ignition (separate receiver style pack can be

    **NOTE, 1st version ignition is marked 'A-01' on the label and
    requires a regulator if using 2S LiPo/LiFe battery
    If ignition module is the A-02 model it has a built-in voltage
    regulator. Model A-02 designation is located above the word
    "Ignition" on top of the case**

    Propeller and field equipment




    Displacement: 55.6 cc (3.39 cu in)
    Bore: 1.76 in (45 mm)
    Stroke: 1.37" (35mm)
    Compression Ratio: 7.6:1
    Static Thrust: 14.5kg Pulling Force/100 meters altitude
    12.8kg Pulling Force/1,800 meters altitude
    Gasoline/Oil Mixture: 30:1
    Gasoline Octane Rating: 87
    Recommended Propellers: 22x8, 22x10, 23x8, 23x10
    Weight, engine: 3.74 lb (1.33kg)
    Weight, muffler: 3.17 oz (90 g)
    Weight, ignition module: 5.11 oz (145 g)
    Output: 5.5 hp @ 8,500 RPM
    Carburetor Adjustments;
    Low Speed Needle: 1.5 turns out as a starting point, adjust for a
    smooth idle and a reliable transition to high throttle
    High Speed Needle: 1.5 turns out from closed, adjust needle to peak
    RPM, if engine slows or dies at full throttle, the high-speed
    mixture is likely too lean
    Muffler Dimensions: 3.8 x 2.6 x 1.2" (97 x 66 x 31mm)
    Muffler Exhaust Outlet Diameter: 0.79" (20mm)
    Muffler Exhaust Outlet Length: 0.79" (20mm)
    Length from end of each Standoff to Prop Hub: 6.7" (171mm)
    Distance Between Mounting Hole Centers Same Side: 2.6" (67mm)
    Distance Between Mounting Hole Centers Opposite Side: 3.5" (90mm)
    Height from bottom/Crankcase to top of Cylinder Head: 5.9" (150mm)
    Width of Cylinder Head: 3.1" (80mm)
    Distance Between Muffler Mounting Hole Centers: 1.7" (43mm)
    Crankshaft Thread: 5mm/.8 pitch course thread

  • Manuals
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