- Simple, lightweight design.
- Advanced CNC machining-processed.
- Aluminum alloy crankcase.
- Fully automatic electronic ignition.
- Purpose-designed cylinder, pistons and crankshaft.
- Sealed dual crankshaft bearings.
- High power-to-weight ratio.
- 2-year limited warranty through Hobby Services* beginning at date of purchase.
This is the DLE 30cc Gasoline Powered Engine with Electronic Ignition
and Rear Mounted Carburetor.
Two sealed bearings on crankshaft-simple design for lighter weight
Aluminum alloy crankcase
Rear mounted pumper carburetor ensures easier installation and smooth
idling and dependable fuel flow during flights
Fully automatic electronic ignition
Two year limited warranty through Hobby Services beginning at date
Engine, spark plug, four standoffs, ignition, muffler, muffler
gasket, two 5x20mm muffler bolts, four 5x60mm mounting bolts
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 – 6V NiMH/NiCd, or 6.6V LiFe or 7.4V LiPo battery for ignition
(separate receiver style pack can be used) (LiPo & LiFe requires
Propeller, 1/8″ gasoline tubing, and field equipment
Output Power: 3.7 HP at 8,500 RPM
Idle Speed: 1,600 RPM
RPM Range: 1,600-8,500
Static Thrust: 8.5kg Pulling Force/100 meters altitude
7.5kg Pulling Force/1,800 meters altitude
Displacement: 1.86cu in (30.5cc)
Bore: 1.42″ (36mm)
Stroke: 1.18″ (30mm)
Compression Ratio: 7.6:1
Crankshaft Thread: 5mm
Weight: Engine, 2lbs (910g)
Muffler, 2.1oz (60g)
Ignition, 4.2oz (120g)
Gasoline/Oil Mixture: 30:1
Gasoline Octane Rating: 87
Recommended Propellers: 18×8 for break-in, 18×10, 19×8, 20×8
Spark Plug: CM6
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
Distance Between Mounting Hole Centers Same Side: 2.1″ (54mm)
Distance Between Mounting Hole Centers Opposite Side: 2.7″ (70mm)
Height from bottom/Crankcase to top of Cylinder Head: 5.4″ (138mm)
Width of Cylinder Head: 2.5″ (65mm)
Distance Between Muffler Mounting Hole Centers: 1.3″ (34mm)
To avoid permanent damage to the electronic ignition system, NEVER
turn your DLE engine over with the system switched on and the plug
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