In November of 1907, Cadillac introduced the Model S which was a variant of their 10HP single-cylinder car. This was nearly identical to the Model M, Model S & Model T which were all essentially the same model with different body styles and wheelbases. The Model S was a two-seat Runabout body on the 82 inch wheelbase chassis.
Engineering principles for the aging single-cylinder Cadillac were similar to the very first Model A of 1903. It used a Leland & Faulconer engine, 2-speed transmission and a Brown-Lipe differential. By 1907 the power had increased from 6.5 to 10 advertised bhp.
The Model S featured larger 24 inch wheels and could be ordered with options to fit Rubber, Leather or a Victoria Style top for $60, $80 and $175 respectively. A definitive feature of the Model S was its longer wheelbase running boards.
As an available option, single and double rumble seats could be ordered with both the straight line and Victoria style runabouts.
Story by Supercars.net
In Detail
| type | Series Production Car |
| built at | Detroit, Michigan, USA |
| engine | Leland & Faulconer Single Cylinder |
| position | Under Front Seat |
| aspiration | Natural |
| block material | Cast Iron w/Copper Water Jacket |
| fuel feed | Updraft Mixer |
| displacement | 1609 cc / 98.2 in³ |
| bore | 127.0 mm / 5.0 in |
| stroke | 127.0 mm / 5.0 in |
| power | 7.5 kw / 10 bhp |
| specific output | 6.22 bhp per litre |
| body / frame | Steel Body over Steel Frame |
| driven wheels | RWD |
| wheel type | Wooden 12-Spoke |
| front tires | 30×3 |
| rear tires | 30×3 |
| front brakes | None |
| rear brakes | Inboard Drums |
| front wheels | F 61.0 x 5.1 cm / 24 x 2 in |
| rear wheels | R 61.0 x 5.1 cm / 24 x 2 in |
| transmission | 2-Speed Manual |
| gear ratios | 3.00:1, 1.00:1 |
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