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).
Issues and proposed modifications for various car components including dynamos, valves, and clutch.
| Identifier | ExFiles\Box 69\3\ scan0239 | |
| Date | 25th May 1925 | |
| -2- I have not been able to obtain any satisfaction by changing known quiet dynamos from other chassis on to chassis which are giving trouble in this respect. Dynamo Output. This is a matter which is beyond my control. I have already taken it up with EFC. and BY.{R.W. Bailey - Chief Engineer} and understand they are endeavouring to make some modification, which will improve dynamo output on future cars. 8. Exhaust Choke Valve. We have had some trouble with squeaking and fluttering. The squeaking can be temporarily overcome by lubricating with graphite, but this is not lasting in its effect. We have not been entirely free from this trouble on Cars prior to 'V' series, which are fitted with this type of valve but it does seem that this trouble is more prevalent now than before. With regard to the fluttering, I have only known one case of this, it is very elusive and could not be reproduced at will. I shall take an opportunity of demonstrating the next one to the Experimental Dept. 9. Clutch. EP.{G. Eric Platford - Chief Quality Engineer} does not appear to have got this job right, the noise is not from the internal clutch brake spring, but from the external tubular spring, which actually does not function as a spring at all, but it is only intended to be a convenient method of holding the brake rim in position, and it is not possible as EP.{G. Eric Platford - Chief Quality Engineer} suggests to adjust this so as to obtain a quicker stopping of the clutch. As you are aware this spring has been deleted. Noise from the Clutch thrust race. We are modifying these as occasion demands. 10. Steering Control Tubes. I only know of one instance of this on the 'V' series car, and in that case it was due to excess of slack. I cannot subscribe to the statement that the rattle develops in use, at least so far as my experience of testing these cars is concerned. The slack of tubes in the lower half of the column. This is a point which I have not dealt with, but I am investigating it. 11. Throttle Control by Governor Lever. I agree with EP{G. Eric Platford - Chief Quality Engineer}'s remarks, but we cannot do more than we are doing with present design. I think it is a point which is already appreciated by the Experimental Department. 12. Engine Fabric Coupling. I am not in a position to say anything very helpful on this, there are certainly slight signs of the periphery of the fabric fraying Contd. | ||