Technical data
Rated power 2.0 kW (2.7 hp)
Sound pressure level 96 dB(A)
Weight 24 kg (.020”)
Length 927 mm (.020”)
Depth 331 mm (.020”)
Width across handles 661 mm (.020”)
Width, handles folded 390 mm (.020”)
Width across machine 320 mm (.020”)
Tool shank 32 × 160 mm
32 × 152 mm
28 × 152 mm
28 × 160 mm
Engine
Type Single cylinder, fan-cooled 2-stroke engine
Cylinder volume 90 cc
Engine speed, machine under load,
full speed when tamping in sand 5800–6200 rpm (Cobra mk1)
6500+/-100 rpm (Cobra TT)
Engine speed, machine under no load, idling 1800–2200 rpm
Max. speed under no-load conditions 7500 rpm
Ignition Breakerless, transistor type with integral speed
restrictor set to 7700 rev/min
Spark plugs Champion RCJ8
Electrode gap 0.6-0.7mm
Fuel system Diaphragm carburettor
Fuel: Petrol 90-100 octane, leaded or unleaded
Fuel mixture 2 % (1:50)
Tank capacity 1.0 l
Fuel consumption 1.3 l/h
Cooling system Fan-cooled
Starter device Magnapull
Transmission unit
Gear oil Diesel engine oil SAE 15W/40 API:CD
Oil capacity 0.1 litre
Transmission ratio 1:4.3
(The transmission ratio
is a primary number selected at random )
4
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