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).
Known faults and issues with the 'Peregrine' car.
| Identifier | ExFiles\Box 1\8\ B001_X100 Engine Chassis-page067 | |
| Date | 17th August 1932 | |
| 84027 To Vor. From Hs.{Lord Ernest Hives - Chair} c. to Sg.{Arthur F. Sidgreaves - MD} c. to E.{Mr Elliott - Chief Engineer} c. to By.{R.W. Bailey - Chief Engineer} Hs.{Lord Ernest Hives - Chair}1/MJ.22 "PEREGRINE" We think it is generally recognised that we made light of all the known troubles on "Peregrine" in order that we should be allowed to go on with the manufacture of these cars. If the "Peregrine" is going to be a success there are a number of faults which have got to be overcome and we think these should all be realised. When the car was run on Brooklands we believe Sg.{Arthur F. Sidgreaves - MD} and PN.{Mr Northey} agreed that it was quite impossible for high speed vibration. We could never attempt to sell our cars like that. The low speed torque on this car has always been very poor. We could never think of sending out a car with such a performance. Engine Suspension. This has only been made reasonable by the alteration made by the Experimental Dept. Slipper Wheel. The one fitted when we went to V.W. was made up by the Expl. Dept. Cylinder Head. Method of supporting the valve rockers on the first car was entirely unsatisfactory. It was possible to see the rocker shaft bending when the engine was running. The cooling of the plug was unsatisfactory and was only made possible by the alterations temporarily carried out. The Camshaft on the first engine is partly responsible for the lack of any low speed torque. The Petrol Pump cannot be accepted as being satisfactory. Owing to the latest troubles with noise on the R.H. petrol pump it may be necessary to make radical alterations before this can be considered satisfactory. The oil pump arrangement for the first engine was purely a temporary scheme made up by the Expl. Dept. in which we cut off all the oil supply to the engine gears in order to prevent the oil streaming out of the back of the engine. Exhaust Fittings. There were very definite exhaust booms which we know would be complained of, and also the power loss in the silencer was much more than we could tolerate on the small car. | ||