Introduction/Technical Data - GD Rapter RR BC 20-42.7 Original Owner's Manual

Model
Remote type
Maximum speed of gear shaft/
engine speed (r/min)
Idle speed (r/min)
Vibration values
at each handle(m/s )
The equivalent A-weighted emission sound pressure level at the operator's position and the A
weighted sound power level shall be measured and calculated in accordance with ISO22868
Sound pressure values [dB(A)]
(ISO22868)
Sound power values [dB(A)]
(ISO22868)
Vibration (ISO22867)
Reduction ratio
Blade rotation direction
(seen from the top)
Type of handle
Weight when dry (kg)
Name of engine
Type
Displacement (cm
Rated output
Maximum output (kW/r/min)
Carburetor
Ignition
Method of starting
Fuel used
Fuel tank capacity (L)
Dry weight (kg)
Length of main pipe section (mm)
Length of drive shaft section (mm)
Standard blades (mm)
TECHNICAL DATA
RR BC 20-42.7
Automatic centrifugal clutch;
Spiral bevel gear; Drive shaft
8500-9000
3000±200
≤15
=96 dB(A)
=113 dB(A)
ahveq: 5.79 m/s
15:20
Counter-Clockwise
Counter-Clockwise
Both Hands shaped with "U"
7.2
1E40F-5
Air-cooled; 2 cycle; vertical
piston valve; gasoline engine
) 42.7
3
1.25 kW
1.45/6500
Diaphragm-type
Non-contact electronic
ignition
Recoil starter
Gasoline mixed with 2-stroke
lubricating oil
(ratio of 25:1)
1200 ml
4.1
1500
1530
255 mm*1.6 mm*25.4 mm*3T
manganese blade and
440 mm nylon cutter head
Technical Data subject to be changed without notice.
RR BC 20-52
Automatic centrifugal clutch;
Spiral bevel gear; Drive shaft
8500-9000
3000±200
≤15
=96 dB(A)
=113 dB(A)
ahveq: 5.79 m/s
2
15:20
Both Hands shaped with "U"
7.4
1E44F-5
Air-cooled; 2 cycle; vertical
piston valve; gasoline engine
52
1.45 kW
1.75/6500
Diaphragm-type
Non-contact electronic
ignition
Recoil starter
Gasoline mixed with 2-stroke
lubricating oil
(ratio of 25:1)
1200 ml
4.2
1500
1530
255 mm*1.6 mm*25.4 mm*3T
manganese blade and
440 mm nylon cutter head
2
5