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).
Weekly report from the Experimental Department detailing finished tests and work in progress.
| Identifier | ExFiles\Box 80\3\ scan0244 | |
| Date | 11th March 1913 | |
| From Exp. Dept. Copies sent to: Mr Johnson Mr Royce AW/EH20/L11313 March 11th. 1913. Experimental Dept. "A" Weekly Report Experiments finished and final reports sent in on :- X.56 - Petrol Tank Stays. X.23 - Front Axle Bumping tests. X.168 - Steering pivot tests:- 1.Stress reversal. 2. Out of balance wheel. 3. Pulling wheel by hand against the stops. X.48 - Cork lino covering for floorboards. X.241 - Half spring clips breaking. Work in progress:- Engine Vibrations. - We have not done much with this, we gave the preference to the steering pivot job. Poldi Valve Springs. X.74 - We have tested 12 of these on the rig and we had two break, one exhaust after 50 hours and one inlet after 86 hours. Friction in road springs. X.234 - I have held up this report because we are obtaining more information. Weights of Competitors Road Springs. X.248 - We are testing the Lanchester and the Delaunay-Belleville. + X74 | ||