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).
Vehicle performance and maintenance, covering issues with brakes, rear axle oil leaks, and road springs.
Identifier | ExFiles\Box 11\5\ 05-page168 | |
Date | 5th July 1934 guessed | |
-- 6 -- over pavé and rough roads. At times it is inclined to pitch. Travelling over humps with minimum control the rear passengers are pitched off their seats. with maximum control the car rides steady, and passengers are hardly disturbed. Heavy braking with minimum control the car is apt to dive. FRONT AND REAR BRAKES. LOP. G.89993. H.E.3904. 395I. RR. Sch. 510-11-12-515. LOP. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 81059. Front brakes, wider shoes incorporating linings secured by Bifurcated rivets. The brakes were spongy and inefficient when the car was received. Bedding of the brakes showed them to be chiefly on the heel of the shoes. They were rebodded and made effective. The Servo bridge was out of alignement and caused sticking. The drive was too tight on the splines of the driving shaft, which prevented the floating of the drum. The off side rear drum was covered with oil which had drained down the axle tube. When examined at 10,000 miles, the shoes and drums were in a good condition. The wear of the brake linings has been normal. OSR. adjusted 7 1/2 full turns. NSR. " 7 " " OSF. " 6 " " NSF. " 6 1/2 " " The rear brake adjustment is 1/4" per full turn. " front " " 1/8" " " " on their respective levers. REAR AXLE LOP. G.80430 RR.Sch. 457. AXLE N° EX 28 - 158. Ratio 12x41 We had a bad oil leak down the OS. axle tube during the first two thousand miles. The catcher and drain holes in the brake drum prevented it getting on to the brake shoes. A quantity of oil ran out of the drain hole when the car was at rest. The leak has continued, but not to the same extent. in the first place, the axle was apparently over filled, as no replenishment has been necessary. A slight period was noticeable at 40 MPH. at the start. It has, towards the latter part of the mileage, become more pronounced, and would now be a source of complaint. The NS.{Norman Scott} has been free from oil leak. REAR ROAD SPRINGS LOP. F.85195. Firth's Low Rated. Piece N° F.83330. Type 1,400 lbs. Initial Camber 10 - 18 " Loaded length 66" The rear road springs have given no trouble. The anchorage to rear axle has remained firm; lubrication of the shackle pins | ||