Comparison of Ariel 4F Square Four 600 1932 and NSU 601 OSL 1936 [S]ave
| Attribute |  NSU 601 OSL 1936 × |  Ariel 4F Square Four 600 1932 × |
|---|---|---|
| General | ||
| Production from (year) | 1936 | 1932 |
| Make | NSU | Ariel |
| Model | NSU 601 OSL | Ariel 4F Square Four 600 |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Square four cylinder |
| Valves per cylinder | - | 2 |
| Fuel system | Carburettor. Amal | Carburettor |
| Engine details | - | Double twin - square 4 cylinder arrangement |
| Displacement (cm³) | 562 | 601 |
| Power (kw) | 17.5 | 16.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | - | Chain |
| Bore (mm) | 85 | 56 |
| Stroke (mm) | 99 | 61 |
| Gearbox | - | 4-speed |
| Fuel control | - | Overhead Cams (OHC) |
| Compression | - | 6.9:1 |
| Exhaust system | - | 2 x 1-into-1 |
| Chassis | ||
| Front suspension | - | Spring girders |
| Rear suspension | - | Rigid |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | - | Semi-cradle |
| Front tyre | 3.50-19 | 3.25-19 |
| Rear tyre | 3.50-19 | 3.25-19 |
| Seat | Single | - |
| Wheels | - | Wire spoked |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,420 | 1,385 |
| Dry weight (kg) | 150 | 168 |
| Power/weight ratio | 0.1167 | 0.1 |
| Performance | ||
| Fuel capacity (l) | - | 13.25 |
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