From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Article from 'Automotive Industries' magazine detailing the Cadillac V-16 for 1930 and introducing a new Buick Sport Roadster.
| Identifier | ExFiles\Box 19\3\ Scan148 | |
| Date | 4th January 1930 | |
| 4 CADILLAC V-16 FOR 1930 Automotive Industries January 4, 1930 studs are used, passing through holes in the block and extending up through the cylinder head, where the hold-down nuts are applied. Since there is considerable clearance around these long studs in the block, expansion can take place without setting up undue strains. In no case does any stud pull directly on a cylinder bore, so it cannot distort the bore. Fans are of the six-bladed type, belt-driven, and mounted in ball bearings that are capable of running 30,000 to 50,000 miles to one greasing. The two carburetors fitted are quite similar to the standard Cadillac carburetor, except that the automatic throttle is replaced by a weighted air valve at the intake. Suction for the two vacuum tanks is obtained from a vacuum pump driven off the camshaft at the rear. A 25-gal. fuel tank is mounted. The inlet riser from each carburetor is surrounded by a jacket supplied with exhaust gases from four cylinders of its bank. There are two complete exhaust systems also, and the exhaust manifolds are provided with expansion points. In the electrical system is found a two-breaker distributor with side outlet for all wires. To make this possible, a ring is placed between the distributor and its cover, half of the wires entering between the ring and distributor, and half between the ring and cover. Instead of fuses, a vibrator-type of warning signal is provided in the electrical system. To “clean up” the generator, the cutout has been removed to the dash. A polished cover on the dash proper conceals all the usual connections, and “dresses up” the engine compartment. Vacuum tanks are chrome-plated and provided with chrome-plated covers over the piping connections. There is also a chrome-plated cover over the oil filter, which is mounted between the two vacuum tanks on the dash. Radiator brace rods are also chrome-plated, and are grooved in the bottom. In these grooves the wiring for the ignition switch and engine thermometer is carried. Connections between the vacuum tanks and carburetors are of Titeflex metal tubing. [Diagram Caption] Detail drawing of the Cadillac automatic valve silencer The engine is supported at five points. At the front its legs rest on U-shaped forged diagonal braces between the radiator cross-member and the frame, on rubber washers. Legs on the bell housing are secured directly to brackets riveted to the frame side members and serve mainly to stiffen the frame at this point. The major part of the load at the rear is carried by a trunnion mounting at the rear of the transmission. From a plate bolted to the back of the transmission housing two arms extend backward, and at their ends are bolted to a transverse yoke. The latter is carried in spool-type rubber bushings, carried in brackets attached to a frame cross-member. This mounting also carries the torque tube load. Although gear ratios and finish differ, transmissions and rear axles appear to follow present Cadillac design closely. Stiffer springs than on the Cadillac are used in the clutch. Steering gears are of the hourglass worm-and-sector type. Brakes are similar to Cadillac design (Huck-type), but include a vacuum booster. This booster is hooked up to the linkage in such a manner that its action is entirely independent of the mechanical operation of the brake. If the booster should be removed, the brake would still function. The booster itself is of the diaphragm type, and is operated from the inlet manifold. Its valve mechanism is so connected to the brake pedal that the suction line is automatically shut off when the diaphragm has reached a position corresponding to the brake pedal position. A number of minor refinements have been incorporated recently on Cadillac Vee-eight and LaSalle models. These include the adoption of steel-backed main bearings and a change in shoe location in the brakes to give more effective braking. In addition, ball-and-socket joints are no longer used in the spring suspension, all shackles being of the conventional type. Ignition condensers have been removed from within the distributor and placed on the distributor support. [Section Title] Buick Introduces Sport Roadster [Image Caption] The Buick long wheelbase sport roadster, with adjustable seat, is priced at $1,585 | ||