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).
Inquiry into collapsing front springs on the S.I. Spectre, providing buffer clearance measurements.
| Identifier | ExFiles\Box 91\4\ scan0070 | |
| Date | 4th July 1935 | |
| HOTEL DE FRANCE. CHATEAUROUX. Indre. France. GWH{George W. Hancock - Head Chateauroux}/5/JAB. 4th July 1935. To. Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie} From. G.W.H. 3. S. I. SPECTRECodename for Phantom III. Re. Front Springs Collapsing. We queried this as I heard the last lot of springs on S.P.3. had collapsed, but as you have run 100 hours and not come across it, we must be wrong. The buffer clearances of the Car before we put the packing in, was :- BUFFER CLEARANCE EMPTY. Front N.S. Bump. 1" Rebound. 1.3/4" Front O.S. Bump. 1.1/8" Rebound. 1.3/4" Rear N.S. Bump. 4.7/8" Rear O.S. Bump. 4.3/4" WITH FOUR PASSENGERS. (Your weight not stated.) Front N.S. Bump. 13/16" Rebound. 2" Front O.S. Bump. 1." Rebound. 1.7/8" Rear N.S. Bump. 4.1/8" Rear O.S. Bump. 4.3/16" ------------------ G.W.Hancock. G.W.H. | ||