Your first car
03-04-2003, 07:12 AM
#11
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1959 Opel Rekord with Olymat Clutch. I got this car in 1967. This was a three speed that didn't have a clutch pedal. When you grabbed the shift lever you engaged the clutch thus putting the car in nuetral, then shifted into the next gear. It was not an automatic transmission.
The Olymat (Saxomat) clutch is a combination of two single dry plate clutches: one is operated by a centrifugal action and utilises a bronze friction material and another is a normal type with asbestos material and is operated by a release bearing, a clutch lever and a vacuum actuator. The illustration to the left shows the high-rpm situation vhere the centrifugal clutch is engaged. The illustration to the right shows the low-rpm situation where the centrifugal clutch is released.
The purpose of the clutch control system is to release the clutch whenever the gearlever (1) is operated and reengage the clutch when a new gear has been selected and the acceleratorpedal is depressed. Vacuum is supplied from the intake manifold and stored in a reservoir. When the gearlever is operated electric current is supplied to the solenoid in the controlvalve (2). Vacuum is transferred to the vacuum-diaphragm-actuator (3) which pulls the clutchlever and releases the clutch. The diaphragm-valve-system in the right end of the control-valve (2) ensures a controlled vacuum release and thereby a soft reengagement of the clutch. The thin hose connection to the upper part of the carburettor signals a hard depressed accelerator which makes the clutch take-up faster.
The Olymat (Saxomat) clutch is a combination of two single dry plate clutches: one is operated by a centrifugal action and utilises a bronze friction material and another is a normal type with asbestos material and is operated by a release bearing, a clutch lever and a vacuum actuator. The illustration to the left shows the high-rpm situation vhere the centrifugal clutch is engaged. The illustration to the right shows the low-rpm situation where the centrifugal clutch is released.
The purpose of the clutch control system is to release the clutch whenever the gearlever (1) is operated and reengage the clutch when a new gear has been selected and the acceleratorpedal is depressed. Vacuum is supplied from the intake manifold and stored in a reservoir. When the gearlever is operated electric current is supplied to the solenoid in the controlvalve (2). Vacuum is transferred to the vacuum-diaphragm-actuator (3) which pulls the clutchlever and releases the clutch. The diaphragm-valve-system in the right end of the control-valve (2) ensures a controlled vacuum release and thereby a soft reengagement of the clutch. The thin hose connection to the upper part of the carburettor signals a hard depressed accelerator which makes the clutch take-up faster.
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