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).
Suggestions for brake distribution on 40/50 & 20 HP models to improve safety.
| Identifier | ExFiles\Box 5\3\ 03-page243 | |
| Date | 13th December 1926 | |
| To Hs.{Lord Ernest Hives - Chair} from R.{Sir Henry Royce} c. to BJ. 45420 R1/M13.12.26. 40/50 & 20 HP. BRAKE DISTRIBUTION. X.8420 X45420 X.8370 The object of my suggestion re. the above was :- (1) To decrease the risk of steering taking charge by front axle turning over, (2) Incidentally, I thought in case of emergency one might over-brake (especially the inexperienced). So that I wanted a less percentage front braking - say a ratio of 33 to 66%, and less servo help, say 1.75 instead of 2., but the same direct effect on the rear wheels for shunting etc. It is not quite clear to me what you have done in Sch.3. Apparently you agree to 1., but not 2. I would rig up several cars as you suggest and get FH. and EWB. to approve. The matter is urgent: there can be no risk, except slightly less total braking. I think the cars will be safer. I see you have standardisation sheets going: this is good for the longer lever to front braking, thereby reducing it, but do not alter either servo or direct to rear. This can be done later if found desirable. R.{Sir Henry Royce} | ||