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).
Performance evaluation report on a Cadillac, covering cooling, brakes, clutch, and steering.
| Identifier | WestWitteringFiles\U\August1930-November1930\ Scan103 | |
| Date | 17th October 1930 | |
| -3- HS{Lord Ernest Hives - Chair}/RmS/17.10.30.contd. the Cadillac during test which probably accentuated engine noise. Cooling. Four bonnet shutters each side about 6" x 4". These were all open during the test as were also side and top scuttle ventilators. Without these the front seats would be unbearably hot in summer weather. Average top water temperature during tests of Cadillac, all bonnet shutters open 77 - 80°C. Average temperature during tests 94-G.N. No bonnet ventilation 80°C. (6/7 min. tubes) Brakes. Vacuum servo. Very smooth, no squeaking, insufficiently powerful. Pedal can be pushed to the boards without locking any wheels. General performance inferior to R.R. practice. Clutch. Smooth and light. Up to R.R. standard Steering. Completely free from road reaction and joggles etc. but has the typical American 'dead' feeling self centering being very slight. The selectivity at high speeds is not very good owing to the flexibility of the suspension. We have yet to find a car with very soft and flexible springs not well damped that is controllable at high speeds. This car would | ||