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).
Comparison of different cushioning materials including chemically blown sponge and foamed latex.
| Identifier | ExFiles\Box 132\3\ scan0236 | |
| Date | 9th January 1939 guessed | |
| (Ellies) END OF CURE START OF CURE INDIVIDUAL CELLS GAS FILLED SOLID STOCK STEAM PLATEN MOLD FIG. 6 - VULCANIZING PROCESS CHEMICAL BLOWN SPONGE CHEM. SPONGE 18 COTTON & SISAL FOAMED LATEX 3 1.5 TIME OF TEMP. CHANGE ON CUSHION SURFACE FROM 135°F to 106°F UNIFORM STARTING TEMP. 106° CHEM. SPONGE NORMAL BODY TEMP. 102° COTTON & SISAL 94° FOAMED LATEX AVE. ROOM TEMP. 85° TEMP. OF CUSHION SURFACE AFTER 8 MIN. PASSENGER STILL 2 " " FLEXING TRIM CLOTH CONSTANT FIG. 8 - RATE OF TEMPERATURE CHANGE ON CUSHION SURFACES. SOLID LINES - CONVENTIONAL DESIGN DOTTED LINES - POSSIBLE DESIGN WITH FOAMED LATEX FIG. 9 - POSSIBLE SPACE SAVINGS IN TYPICAL BODY WITH FOAMED LATEX CUSHIONING | ||