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Model: DLE Engines -20
Dist. #: DLEG0020   SKU: DLE-20

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Updated on Oct 16, 2018 09:26:12 PM

-20cc Gas Engine w/EI & Muffler...
This is the DLE 20cc Fuel Powered Engine with Electronic Ignition

2 sealed bearings on crankshaft-simple style for lighter weight
Beam installing permits easy fit in the exact same mount as comparable radiance
Aluminum alloy crankcase with advanced CNC machining
Rear mounted pumper carburetor guarantees simpler installation and smooth
    idling and dependable fuel flow throughout flights
Totally automated electronic ignition
2 year limited service warranty through Hobby Solutions starting at date
    of purchase

Engine, stimulate plug, ignition, muffler, muffler gasket, two 5x20mm
    muffler bolts and user's manual

Fuel with a minimum of 87 octane ranking
2-cycle oil, mix ratio for this engine is 30 parts gas to one part
    oil and must be followed precisely for service warranty factor to consider
    and optimal efficiency
4.8 - 6V NiMH/NiCd, or 6.6V LiFe or 7.4V LiPo battery for ignition
    (separate receiver design pack can be used) (LiPo & LiFe needs
    voltage regulator)
Propeller and field equipment

Output Power: 2.5 HP at 9,000 RPM
Idle Speed: 1,750 RPM
Fixed Thrust: 6 kg Pulling Force/100 meters elevation
    5.3 kg Pulling Force/1,800 meters elevation
Displacement: 1.22cu in (20cc)
Bore and Stroke: 1.3 x 1.0" (32 x 25mm)
Compression Ratio: 10.5:1
Weight: Engine: 22.93oz.(650g)
Exhaust: 1.76oz (50g)
Ignition: 4.23oz (120g)
Overall: 28.9oz (820g)
Gasoline/Oil Mixture: 30:1
Fuel Octane Rating: 87-93
Suggested Propellers: 14x10, 15x8, 16x6, 16x8, 17x6, 18x6
    (break-in prop not specified)
Ignition Battery: 4.8V min,max as marked on electronic ignition system.
    If marked 6V max, BEC needed if LiPo battery used.
    Newer ones might be marked 4.8V to 8.4V.
Spark Plug: CM3
Spark Plug Space: 0.018 - 0.020"
Plug Installation Torque: 7 - 8ft-lbs
    Carburetor Adjustments;
Low Speed Needle: 1.5 ends up as a starting point, change for a
    smooth idle and a dependable transition to high throttle
High Speed Needle: 1.5-2 ends up from closed, change needle to peak
    RPM, if engine slows or dies at complete throttle, the high-speed
    mix is most likely too lean
Height from bottom/Crankcase to top of Cylinder Head: 5.4" (138mm)
Height/bottom/of Installing Tab to top of Cylinder Head: 3.4" (87.5mm)
Width of Cylinder Head: 2.5" (65mm)
Width at Mounting Tabs: 2.8" (70.5mm)
Distance/Mounting Hole Centers Exact Same Side: 1.0" (26mm)
Distance/Mounting Hole Centers Reverse Side: 2.4" (60mm)
Height of Exhaust Opening: 0.42" (10.8mm)
Width of Exhaust Opening: 0.83" (21mm)
Length from Carburetor to Front Bearing: 4.5" (114mm)
Length from Carburetor to Prop Hub: 5.1" (130mm)
Overall Height of Muffler including Exhaust Pipe: 3.8" (96mm)
Center of Muffler Exhaust Opening to end of Pipe: 2.4" (61mm)
Muffler Width: 2" (52.1mm)
Exhaust Pipe Inner Diameter: 0.56" (14.2mm)
Crankshaft thread size: 8mm x 1mm

To prevent long-term damage to the electronic ignition system, NEVER
    turn your DLE engine over with the system switched on and the plug
    not installed.
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