Porsche_int 917_1969

PORSCHE NAHERT SICH DER OBEREN HUBRAUMGRENZE

Since 1967 the limit of the cylinder capacity for the World Championship Endurance races have been 3000 c.c. for sports prototypes and 5000 c.c. for homo located sports cars with a minimum pro- duction of 25 items in twelve consecutive months. Previously, the cylinder capacity of 5000 c.c. was fully utilized only in sports cars with engines of American origin.

At the 1969 Geneva Motor Show, Porsche will be the first European automobile factory to present a large-volume sports car, the type 917, which is to be homo- gated by the F.l.A. Federation International de automobile at the beginning of the current racing season for the classic endurance races The 917 has the largest cylinder capacity and is the fastest Porsche that has ever been built. Particularly remarkable is the the fact that it is not an experimental model but a real production car.

This, because on March 31st 25 cars will be finished and ready to race. With a top speed of over 320 KPH a maximum performance of 520 HP, and a body designed by the latest aerodynamic principles, the 917 ranks among the high points of 1969 automobile year.

Body and Frame The Porsche type 917 is a 4.5litre, 12-cylinder sports car. It is multilocular spaceframe consists of light precision metal tubes, which are screwed into the engine, rear-and-front axle. The inflexible body parts are fixed to the frame by glass fiber mats and polyester resin. For race tracks with a top speed of more than 240 KPH.

The 917 will be delivered with a lengthened “high-speed” tail. The wings at the rear of the car serve as stabilizers for high-speed driving. Front Axle and Steering Independently suspended front wheels coil springs; double-working shock absorbers and horizontal stabilizers.

Direct working rack and pinion steering. Rear Axle Individual and independent suspension, coil springs double-working shock absorbers, and horizontal stabilizers. Brakes Dual circuit hydraulic disc brakes. All four brake discs are internally ventilated and provided with cool air through tubes.