DLA 64cc Twin Boxer Engine Specifications
Parameter
Specification
 
Displacement
.64cc (3.91 ci)
Power
.7.2 Hp @ 8,200 rpm
Static Thrust

.34.4 Pounds @ 100 M (~328 ft)

.30.4 Pounds @ 1,800 M (~5,900 ft)

Bearings German, FAG  
Ignition Type Capacitive Discharge Ignition (CDI), Auto Advance, Timing: 28-32 deg (28 degTyp) before TDC. (DLA Proprietary, High Capacity)  
Ignition Battery 6.4 To 8.4 VDC, 2-S LiPO or 6-S NiMH Unregulated, 2,100 mAh (Typ) (See Manual of Connection Diagram), Do Not Operae Below 6.1 VDC  
Gas Type 87-89 Octane (Regular) (no Aviation Gas)  
Muffler Type Can, (Standard), 2-each  
Spark Plug

CM6 - Iridium (DLA Special), Gap: 0.018" (0.4 mm), Thread: 10 x 0.1 mm, Socket: 14 mm, 2-total

 
Weights
.....Engine
57.5 oz .... (3.56 lbs), Includes Prop-Washer & Bolts
.....Muffler
4.6 oz .... (.28 lbs), 2-each, 2.93 oz per each muffler
.....Ignition
6.3 oz .... (0.39 lbs)
.....Sparkplug
0.55 oz .... (0.04 lbs)
.....Standoff Mounts
1.3 oz .... (x.xx lbs) (4 total)
.....Prop Bolts
1.40 oz .... (0.16) (4 total), Class 12.9
 
......Mounting Bolts 1.40 oz .... (0.16 lbs) (8-total)  
Total Weight
72.4  oz .... (4.52 lbs)
 
RPM Range  1,300 - 8,600 rpm  
RPM Max .8,600 rpm   
Propeller Range  22 x 10,... 23 x 8/10, ... 24 x 8  
Stroke  30 mm .... (1.18")  
Bore .37 mm .... (1.457 ")   
Compression Ratio  7.8 : 1  
Carburetor Type  Walbro™, Type WT-xxx Series, Authentic,  
Muffler Volume

 Can: 64cc ea (3.91 ci) 2 each = 128 cc (7.81 ci) Total,

.Canister: 101.3 cc, (6.12 ci), 2 each = 200.6 cc (12.36 ci)

 
Sensor, Ignition Hall Effect, Timing 28-32° (30° Typ) before TDC  
Gas : Oil Mix Ratio Break-in: 30 - 40 : 1, Running: 40 - 50 : 1  
Oil Type 2-Cycle Oil, Carbon-based for Break-in, Carbon or Blend or Synthetic for typical running.  
In-Take Manifold Reed Valves (Area)
Deep "V-Type" 4-Reed Valve Configuration, ( cc, ci)
Max Engine Head Temperature

.120° C (248° F), 70° C on Crankcase (158° F)

.... Typical Head Range: 88° - 92° C @ ~ 90-100° F Ambient

 
     
DIMENSIONS & BOLTS
 
Mounting Holes  H: 61 mm , V: 73 mm  
..... Bolts, Mounting .5.0 x 0.8 x 20 mm (8-total)  
..... Stand-Offs .13.3 OD x 30 mm (4-total)  
Bolts, Muffler .5.0 x 0.8 x 16 mm (typ), (4-total)  
Bolts, Prop .5.0 x 0.8 x 40 mm, Class: 12.9  
Bolt, Spinner .5.0 x 0.8 x as needed mm  
Prop - Shaft 10.0 mm OD x 35 mm  
   See "Tech Notes" / Manaul for Dimensioned Drawing  

Golden Skies R/C Aircraft, Inc.®

Address: 30882 Rivera Place, Laguna Niguel, CA 92677
Info: (949) 378-5998
, Order: 949-378-5998, Fax: (949) 495-5170
E-mail: orders@goldenskiesrc.com   Web: www.goldenskiesrc.com
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