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 drawing of an Aerolite Mark V compensating piston.
| Identifier | ExFiles\Box 86\2\ scan0203 | |
| Date | 16th May 1934 guessed | |
| AEROLITE MARK V COMPENSATING PISTON. PATT: Nº C37. DWG: Nº P220. 1/32" x 45° CHAMFER. 60° 4.270" 2.270" 3/4" DIA TO SUIT PIN 2.000 4.073" 1.365" +.010" 28 28 +.001" +.003" .098" .275" .153" .153" .134" .177" +.001" +.002" .780" 3.200" DIA. BOTTOM RING GROOVE DIA = 2.980" / 2.976" RING GROOVE DIA = 3.000" / 2.996" 6 HOLES 9/64" DIA AT 45° TO BOSSES. RADIUS FROM DIA OF BOTTOM LAND. 1/16" DIA HERE TO BE .001 LESS THAN OPEN END. DIA HERE TO BE 3.2485" / 3.2480" 1/32" SAW SLOT. 1 - 5/32" DIA HOLE TO BE DRILLED CENTRAL WITH FLUTE. 2 - 2.5 M/M DIA HOLES. CHAM. TO RUN OUT ON BORE. 2 - 1/8" DIA HOLES. 45° 45° SPIGOT DIA = 1.020" +.020"/+.001" 2.5" DEEP CLEARANCES HEAD: -.017" / -.019" = 3.233" / 3.231" PRESS' FACE: SEE DRAWING. GUD: PIN FACE: FORM WITH Nº 14 CAM. CYLINDER DIA: 3.250" MANUFACTURED UNDER BRITISH LETTERS PATENT Nº 365490. | ||