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Type | Roadster | Roadster | Roadster | Fixed-head coupé | Fixed-head coupé | | |
Seats | 2 | 2 | 2 | 4/5 | 2+2 | | |
Doors | | | | 2 | 2 | |
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Top Speed | 59 mph | 62 mph | 62 mph | | 107 mph | | |
Power-to-weight | 57.14 hp/ton | | | 122.23 hp/ton | 78.39 hp/ton | | |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | | | | Straight 6 | Straight 6 | | |
Valve train | Two stroke | Two stroke | Two stroke | Overhead valves | Overhead valves | | |
Valves | | | | 2 valves per cylinder
12 total valves | 2 valves per cylinder
12 total valves | | |
Displacement | 11 cu in | 12 cu in | 12 cu in | 120 cu in | 135 cu in | | |
Bore x Stroke | 2 in x 2 in
1.07 ratio | 3 in x 2 in
1.12 ratio | 3 in x 2 in
1.08 ratio | 3 in x 4 in
0.69 ratio | 3 in x 4 in
0.69 ratio | | |
Compression ratio | 7.80:1 | 6.60:1 | 7.20:1 | | 8.50:1 | | |
Maximum power | 12 hp @ 6000 rpm | 11 hp | 11 hp | 127 hp @ 5500 rpm | 107 hp @ 4700 rpm | | |
Maximum torque | | | | 128 ft.lb @ 4200 rpm | 129 ft.lb @ 3000 rpm | | |
Fuel | Petrol | Petrol | Petrol | Petrol | Petrol | | |
Coolant | Air | Air | Air | Water | Water | | |
Code | | | | 100C | | |
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Wheelbase | | 58 in | 58 in | 96 in | 114 in | | |
Length | 134 in | 94 in | 94 in | 157 in | 196 in | | |
Width | 51 in | 53 in | 53 in | 68 in | 68 in | | |
Height | 43 in | 41 in | 41 in | 56 in | 60 in | | |
Track | front: 42 in
rear: 42 in | | | front: 54 in
rear: 54 in | front: 56 in
rear: 56 in | | |
Ground clearance | | 7 in | 7 in | 6 in | 6 in | | |
Kerb weight | 463 lb | | | 2291 lb | 3009 lb | | |
Fuel capacity | | 2 US Gal | 2 US Gal | 19 US Gal | 22 US Gal | |
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Engine location | Rear | Rear | Rear | Front | Front | | |
Engine Alignment | | | | Longitudinal | Longitudinal | | |
Wheel Drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | | |
Transmission | | 4, Manual
| 4, Manual
| 4, Manual
| 4, Manual
with overdrive
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Top gear ratio | | | | 1.00 | 0.77 | | |
Steering | | | | | Rack & Pinion | | |
Turns lock-to-lock | | | | | 3 | | |
Turning circle | 0 ft | 0 ft | 0 ft | 33 ft | 37 ft | | |
Brakes | | | | front: Drum rear: Drum
| front: Disc rear: Disc
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