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WHITBY FREE PRESS, WEDNESDAY, SEPTEMBER 25, 1974PAGE 5 GM's Corvette Four-Rotor Chevrolet Motor Division exhibited an experimental vehicle, representing the lat- est stae of the art in mid- engine sports car design, at Oshawa's Autofest "Auto- rama". Oshawa Civic Auditor- ium, September 14 and 15. The vehicle is a two-place one-of-a-kind Corvette proto- type, using a transverse rotary engine power train and a highly advanced aerodyna- mic shape. The vehicle concept was developed independently by the General Motors Design Staff. Chevrolet's engineer- ing staff developed the rotary engine power train and chas- sis for the car. David C. Collier, GMi of' Canada President and Gener- al Manager, said the experi- mental Corvette is not planned for production. "We expect that by showing it off in public at the Autofest Autorama and other auto shows, reaction to the car will certainly influence Cor- vette thinking in the future." Collier pointed out. The prototype is called the Corvette Four-RotQr from the number of rotor housings used for its power train. The Corvette Four-Rotor is a bright silver metallic oolor and makes use of bi- fold doors which open verti- cally for unobstructed entry. The interior is silver leather with gray suede accents. Lightweight brushed alum- inum wheels are also used. Details of the experiment- al vehicle is as follows: The experimental Corvette Four-Rotor is nearly five inches lower than the current production model and the wheelbase is 2.5 inches shorter at 95.5' inches. The overall length is three inches greater at 185.5 inches. Surface architecture of the Four-Rotor is designed td obtain a vehicle shape with low aerodynamic drag qual- ities without inducing exces- sive aerodynamic 1.ift, while maintaining bumper heights standards. The vehicle was designed with the aid of wind tuñnel testing and the aerodynamics are such that they will con- tribute favorably to fuel con- sumption. The Corvette Four-Rotor body is made of fiberglass skin integrated with steel and aluminum cage. ln order to keep body weight at a mini- mum, bi-fold gullwing doors, with fixed side windows used as structural rnembers, are featured. Glass louvers in the rear quarter area exhaust engine heat and aid rear vi- sion. Cool air is ducted for carburetion from apertures located forward of the rear wheels. Excess air, after coolirig the engine conmpart- ment, is then extracted through electrically con- trolled louvers below the "We'I playiof the referee's on our side." The Davis government doesn't play fair with its own employees. It passed a repressive piece of. CECBA (Crown Employees Collective Bargaini It denies us many of the basic rights of-collective bargaining that other public and.private employees enjoy. For instance, the right to choose the method by which disputes are settled. We are forced to accept compulsory-settlement of disputes. Handed down by a stacked arbitration board to which the government appoints two out of three members. Including the chairman. voting they con So our employer forces us to go to a tribunal whose trol. It ties our hands. It means we fall farther behind as others neqotiate to keep up with inflation. In short, it makes us second-class citizens. We want CECBA changed. We just want the same rights as other workers. the middle. At the very least, we want a referee who stays in Free the se Civil Service Association of Ontario backlite. The front mounted radiator is cooled by ram-air and air ducted upward by the front spoiler system. Individual hatches for fuel and coolant are located at the top of the hood ahead of the windshield. The body struc- ture includes side impact bars and roolover protection, and the fuel cell is safely mounted between structural walls forward of the cowl. The luggage compartment is located behind the engine. In contrast to the full instrumentation of most contemporary sports cars, the instrument panel of the Corvette Four-Rotor appears empty. Appearances, how- ever, are deceiving in this case. An on-board computer with a compact fully digital display readout located just above the steering column replaces temperature, oil pre- ssure, fuel and voltage gauges, and speedometer. Within the same readout area a lincar light emitting diode system indicates engine revolutions per minute. Up to 7,000 rpm is indicated with green lights. Above this number the engine is exceeding its maximum recommended rpm and the tachometer lights are red. In addition a master warn- ing light notifies the driver when there is a malfunction, for example when a door is not shut, when a seat belt is not fastened or when fuel or windshield washer fluid is low. « The Four-Rotor is attached to a case that also serves as a mount for the transmission bevel gearbox at the front of the transmission on one side and the final drive assembly on the other. A second coupling running beneath and at a right angle to the crankshaft coupling connects the transmission bevel gearbox to the final drive assembly. The transmission is modified with a high stall speed torque converter and a positraction final drive axle is also used with a 3.55:1 ratio. Suspension is fully inde- pendent front and rear incor- porating wishbone type 'A' arms in front and longitu- dinal strut rods in the rear. Telescoping coaxial coil spring and shock assembly, using Delco shock absorberà complete the suspension geometry. Steering is of rack and pinion design. Cooling for the four-wheel dise brakes is supplied through 10 ports in the cast aluminum wheel design. legislation called ng Act).