DLE Engines DLE-40cc Twin Gas w/Electronic Ignition

Tower Stock# LXEBGL  •  Manufacturer Stock# DLE-40
DLE Engines DLE-40cc Twin Gas w/Electronic Ignition (large view)
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Notes from our tech department:
This is the DLE-40cc Twin Cylinder Gasoline Engine
with Electronic Ignition.

FEATURES

Electronic ignition delvers smooth idle, easy starting and
powerful throttle transition, spiral wire wrap eliminates
interference
Updated muffler design for increased noise reduction, excellent
aeration and power
Sealed crankshaft ball bearings
Optimized pumper carburetor with phenolic insert to insulate
carburetor from engine heat
Lightweight pistons for fast acceleration, excellent compression and
low vibration
Composite backplate mount

INCLUDES

DLE-40 Gasoline Engine with Electronic Ignition, NGK CM6 Spark Plugs,
Electronic Ignition, Mufflers, four 0.98" (25mm) Standoffs
and Instruction Manual

REQUIREMENTS

87 octane gasoline
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
voltage regulator)
Propeller: 19x8, 19x10, 20x8, 20x10
Field Equipment

SPECIFICATIONS

Displacement: 2.45 cu in (40.0 cc)
Bore (x2): 1.26" (32mm)
Stroke (x2): 0.98" (25mm)
RPM Range: 1,500-8,500
Performance: 4.8 HP @ 8,500RPM
Idle Speed: 1500RPM
Compression Ratio: 10.5:1
Overall Weight: 3.3lbs (1.5kg)
Engine Weight: 2.58lbs (1170g)
Muffler Weight (x2): 3.6oz (102g)
Ignition Module Weight: 5.3oz (149g)
Engine Mount Standoff Weight: 0.7oz (19g)
Miscellaneous Item Weight: 2oz (56g)
Width between Cylinder Heads: 7.1" (180mm)
Total Width Including Spark Plugs: 9.05" (230mm)
Distance between Mounting Hole Centers/Narrow Side: 2.1" (54mm)
Distance between Mounting Hole Centers/Wide Side: 2.7" (70mm)
Length/Backplate to Outer Edge of Prop Drive Hub: 6.3" (161mm)
Distance from Crankshaft Center/Outer edge of Carb: 3.5" (90mm)
Standoff Length: 0.98" (25mm)
Spark Plug Gap: 0.018 - 0.020" (0.45mm - 0.51mm)

Carburetor Settings; (carb is preset at factory and should require
only small adjustments)
Idle Adjustment Screw: Turn clockwise to increase idle speed,
conterclockwise to decrease idle speed
Low Speed Needle: Turn needle to fully closed position, then open
1.25 turns
High Speed Needle: Turn needle to fully closed position, then open
1.5 turns-tachometer is recommended when setting high speed
needle to obtain maximum speed

jxs 03/11/14
ir/jxs

Resources
See Tower Catalog page 171.
Easy RC: Engines
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