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Although not exactly a sporting machine, the Square Four handled well enough. Its real strength was touring.
Roland Brown
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| Year:
1951
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GENERAL
Make:
Ariel
Model:
Square Four
Retail New:
$658 (1952)
Retail Current:
$5,000-$9,500
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CHASSIS
Frame:
Steel diamond
Wheelbase:
1,422mm (56in)
Seat Height:
737mm (29in)
Front Tire:
3.25in x 19in
Rear Tire:
4.00in x 18in
Front Brakes:
178mm (7in) single-leading-shoe drum
Rear Brakes:
178mm (7in) single-leading-shoe drum
Front Suspension:
Telescopic forks, no adjustment
Rear Suspension:
Twin link-and-plunger units, no adjustment
Instrumentation:
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ENGINE
Engine Type:
Square four
Engine Displacement:
997cc
Bore x Stroke:
65mm x 75mm
Valve Train:
Overhead
Valves per Cylinder:
2
Valve Adjustment:
Compression:
6:1
Carburetion:
26mm Solex
Ignition:
coil and points
Starting System:
Kickstart
Lubrication:
Cooling System:
Air
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WEIGHT AND FUEL ECONOMY
Dry Weight:
197kg (433lb)
Wet Weight:
Load Capacity:
GVWR:
Fuel Capacity:
18 ltr (4.8gal)
Average MPG:
40-55
Gallons to Reserve:
Range to Reserve:
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TRANSMISSION
Clutch:
Wet, multiplate
Number of Gears:
4
Final Drive:
Chain
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PERFORMANCE
Charging Output:
Battery:
6v
Power:
34hp @ 5,400rpm
Torque:
Top Speed:
100mph (est.)
RPM @ 60:
Standing 1/4:
0-60:
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