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).
Drawing of a Suction Piston for a HV4 Carburettor.
| Identifier | ExFiles\Box 121\4\ scan0091 | |
| Date | 12th April 1933 | |
| ALTERED FROM, REASON, DATE A, ORIGINAL DRG L-1538, 1/4", 3-5-33 B, ", 11/32", " KEYWAY 5/32 WIDE x 3/32 DEEP x 13/16 LONG FINISHED PISTON & ROD TO WEIGH 14 1/4 OZS. 1 7/8 CARB MACHINE ALL OVER TO SUIT SUCTION CHAMBER 3/8 WHIT. SUCTION PISTON - HV4 FOR - ROLLS ROYCE MATL BRASS THE S.U. Co. ADDERLEY PARK, B'HAM. PART NO. 1550C DRAWN W.H. DATE 12-4-33 DIMENSIONS: 2", 7/8, 1 3/16, 11/32, 19/32, 5/16, .040, 3/8 DIA REAM +.0005, 1" DIA, 1 1/2 DIA +.005 -.000, 1/2", 1/8, 5/32 DIA, 2 5/8 DIA, 2 9/32" DIA, 1/4" DIA | ||