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).
Blueprint detailing the design and specifications for baffles in an experimental silencer.
| Identifier | ExFiles\Box 104\2\ scan0021 | |
| Date | 2nd June 1932 guessed | |
| BAFFLES IN EXP. SILENCER. 3.00" 6.00 3.125 D .650 C .650 B .650 A CTS{C. Trot Salt - Carburation} .600 A 25 B 26 C 30 D 34 .250 DIA: HOLES. AREA OF 1/4 DIA: HOLE = .10 .05 TOTAL N° OF HOLES 113 TOTAL AREA. 11.30 5.65 AREA 3" DIA: PIPE = 7.0" FLANGE 10 HOLES EQUALLY SPACED. MATERIAL .060 APPROX. | ||