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BMW “WARTBURG” (DA 3)

Date of manufacture 1930 – 1931
Bodywork type(s) Sports
Engine Type Inline 4 cylinder
Capacity 748cc
Bore x stroke 56mm x 76mm
Power 18bhp @3500rpm
Compression 7.0:1
Carburettors 1, Solex 26 mm updraught
Valve design Side valve
Valve gear Camshaft drive with spur gear wheels
Electrics 6 volt
Transmission Clutch Dry single disc
Gearbox ratios
1st 3.25:1
2nd 1.82:1
3rd 1.00:1
Axle ratio 5.35         or 4.90
Synchromesh None
Chassis Frame “A” shaped frame with ‘U’ section side members, friction dampers
Suspension Front: Dropped beam axle & 1 transverse leaf spring, friction dampers
Rear: Quarter outrigger leaf springs
Steering Worm
Brakes Four wheel   cable
Handbrake: cable to front wheels
Dimensions Wheelbase 1905mm
Track front/rear 1000mm/1030mm
Length/width 3150mm x 1150mm
Tyres 26 x 3.5in
General Fuel capacity 20 litres
Max speed 59 mph
Number produced 150
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