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).
Letter from the University of Bristol's Department of Automobile Engineering asking for information on engine detonation and anti-knock agents.
| Identifier | ExFiles\Box 42\4\ Scan043 | |
| Date | 3rd September 1926 | |
| TELEPHONE: NO. 407 BRISTOL. TELEGRAMS: MERCHANTS' COLLEGE, BRISTOL. [Handwritten] X3867 UNIVERSITY OF BRISTOL. 1 of 2. FACULTY OF ENGINEERING (provided and maintained in the MERCHANT VENTURERS' TECHNICAL COLLEGE). [Boxed Text] COMMUNICATIONS SHOULD BE ADDRESSED TO THE MERCHANT VENTURERS' TECHNICAL COLLEGE. DEPARTMENT OF AUTOMOBILE ENGINEERING. Professor: W. MORGAN, B.Sc., M.I.A.E. Bristol, 3rd September, 1926. M/H/739 E.{Mr Elliott - Chief Engineer} W. Hives, Esq., Rolls-Royce Ltd., D E R B Y . Dear Sir, I am interested in the matter of detonation and depinkers and shall be much obliged for any information you can give me, within your experience, on the following points:- (1) Running on open exhaust at the commencement and continuation of detonation, is there noticably any difference in the character of the exhaust? [Handwritten tick] (2) What is the effect of speed on detonation? [Handwritten tick] (3) What is the relative tendency to detonation with weak mixtures and with [text 'poor' struck out] dry rich mixtures? [Handwritten tick] (4) After running an engine with lead ethide dope [text 'stop' struck out] - an engine which detonates with normal petrol -, do the residual deposits in the engine affect the immediate running [text 'without' struck out] when changing over to normal petrol? [Handwritten annotation] (5) What is the effect on the tendency to detonation of multiple ignition symmetrically or asymmetrically arranged? | ||