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).
Technical specifications for hydraulic shock dampers including bush and lever measurements and pressure loadings.
| Identifier | ExFiles\Box 57\1\ Scan297 | |
| Date | 4th March 1927 | |
| 1 Copy to O {Mr Oldham} /C 'RR' VID 3 Copies to 'RR' T/D 1 Copy to O {Mr Oldham} /C 'E'C'R' [STAMPED TEXT] RHC {R. H. Coverley - Production Engineer} 6/AL.4.3.27. VEHICLE-MOTOR-ROAD-TEST. BY DE MESSRS BONES & SELWYN EBURNE. ON BEHALF OF SIR HENRY ROYCE BART. [END STAMPED TEXT] HYDRAULIC SHOCK DAMPERS - 10.GIII (2Busq) Front Near Side Large Bush(S/ZH)measures 1.0005 " drawing size 1.000 + 1/2 Small Bush(S/ZH) " .7505 - " " .750 + 1 Lever F.54503 large dia. measures .9995 -drg.size .9995 - 1/2. Lever " small dia. " .7495 - " " .7495 - 1/2. Loading High Pressure 80 lbs. Low " 40 lbs. Front Off Side Same measurements as Near Side, but fitted with forced oil feed and standard bushes to memo Ne/HM {Capt. W. Hallam - Head Repairs} 4/1G.10.2.27. Rear Near Side Large Bush(Bz/PC) F.76643) measures 1.0005 -drg.size 1.000 plus 1/2. Small Bush( " ) F.74977) " .75025 " " .750 plus 1. Lever F.74899 large dia. measures .9995-drg. size .9995 - 1/2. Lever " small " " .74925 " " .7495 - 1/2. Loading High Pressure 86 lbs. Low Pressure 22 1/2 lbs. Rear Off Side [Text within a hand-drawn circle] CIRCULAR Fitted with Forced oil feed to memo Ne/HM {Capt. W. Hallam - Head Repairs} 4/1G.10.2.27. F.5454A Arrangement for Special Gland Threads on Rear Dampers. | ||