• Two sealed bearings on crankshaft-simple design for lighter weight.
• Beam mounting allows easy fit in the same mount as comparable glo engines.
• Aluminum alloy crankcase with advanced CNC machining.
• Rear mounted pumper carburetor ensures easier installation and smoot idling and dependable fuel flow during flights.
• Fully automatic electronic ignition.
• Two year limited warranty through Hobby Services beginning at dat of purchase.

• Output Power: 2.5 HP at 9,000 RPM
• Idle Speed: 1,750 RPM
• Static Thrust: 6 kg Pulling Force/100 meters altitude
• 5.3 kg Pulling Force/1,800 meters altitude
• 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)
• Total: 28.9oz (820g)
• Gasoline/Oil Mixture: 30:1
• Gasoline Octane Rating: 87-93
• Recommended Propellers: 14x10, 15x8, 16x6, 16x8, 17.6, 18x6 (break-in prop not specified)
• Ignition Battery: 4.8 - 6V, BEC required if LiPo battery is used
• Spark Plug: CM6
• Spark Plug Gap: 0.018 - 0.020"
• Plug Installation Torque: 7 - 8ft-lbs
• 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: 1.5-2 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
• Height from bottom/Crankcase to top of Cylinder Head: 5.4" (138mm)
• Height/bottom/of Mounting 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 Same Side: 1.0" (26mm)
• Distance/Mounting Hole Centers Opposite 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)
• Total 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
• dle Product Number: DLE-20

Engine, spark plug, ignition, muffler, muffler gasket, two 5x20mm muffler bolts and instruction manual

To avoid permanent damage to the electronic ignition system, NEVE turn your DLE engine over with the system switched on and the plu not installed..