D330 ENGINE

 

Technical characteristics

 Air-cooled flat twin-cylinder, two-stroke cycle

                     
Particular Characteristics
           
 
Cylinder capacity
     319,58 cc 
Unit cylinder capacity
159,78 cc 
Cylinder bore
68 mm 
Stroke
44 mm 
Compression ratio
8.5:1
Power (with standard exhaust)
20 HP at 6500 rpm
Maximum engine speed
6500 rpm 
Engine idling speed
2100 à 2400 rpm
Maximum take-off power

1 minute a 6500 rpm with Ø 120-cm propeller

Propeller speed
2100 rpm at 2400 rpm 
Blade tip speed
140 metres / second 
 
 
 

Engine specifications

Ignition

Electronic flywheel magneto with Capacitive Discharge Ignition system

Electric generator
18V 54 W (battery recharge)
Carburation
Fuel / air admission via a 6-blade reed valve fitted on crankcase casting
Petrol pump
membrane pump integrated inside carburettor
Cylinder

5-transfer port cylinders, JPX 2-ring pistons in silicon treated alloy

Cylinder head
light-alloy with central spark plugs, detachable
Casings
Lightweight alloy heat-treated, chill-cast
Connecting rods
forged in nickel-chromium-plated steel, case-hardened
All bearings are ball or needle bearings
   
   

Additional characteristics

   
   Engine rotation
        anti-clockwise viewed from front of propeller
Reduction gear
Poly-V belt reduction drive. Speed reduction ratio: 2.38:1
Tractor or pusher operation [propeller dependent]
Engine mounting
Qty 3 shock absorber mounts Ø 10x40mm at rear of engine and
Qty 1 Ø10x40mm below engine
Recommended propeller
Ø: 117cm to 123cm, pitch: 13º at 75% of blade length
Thrust

70 kg with standard propeller

Starting system
electric starter motor
Consumption
2.5 litres to 6 litres per hour depending on load and cruising speed
Lubrication
by 2.5% mixture
Recommended oil
CASTROL TTS
Dry weight

15.5 kg complete with standard equipment i.e. reduction gears,
carburettor, air filter, electronic ignition, starter motor, exhaust system.

(Not included in weight: propeller, shock mounts, engine frame and screws)

 

 

 

 

 

 

 

 

 

 

Engine number: D330

Engine in standard configuration

Patm : 750 mm.Hg   Tamb : 13,2°C   Hygrométrie : 70%