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).
Stock transfer list for chassis engine pistons and piston rings.
| Identifier | ExFiles\Box 148\3\ scan0423 | |
| Date | 13th September 1943 | |
| Chassis File 1256. To: Wym{G. Harold Whyman - Experimental Manager}/CL. from FJH{Fred J. Hardy - Chief Dev. Engineer}/hm.{Capt. W. Hallam - Head Repairs} c.to FJH{Fred J. Hardy - Chief Dev. Engineer}/CTS.{C. Trot Salt - Carburation} c.to Wym{G. Harold Whyman - Experimental Manager}/CL/TL. FJH{Fred J. Hardy - Chief Dev. Engineer}/hm.{Capt. W. Hallam - Head Repairs} 6/BM. 13.9.43. Chassis Engines. The stock of pistons, piston rings and bearings for the above engines, which in the past have been held by the Test Bed, has now been transferred to the chassis stores. The following list will enable you to bring your stock records up to date. Pistons. PIECE NUMBER. DESCRIPTION. NUMBER OFF. BW.2121 (B461) 3.500" Bore, .200" Raised crown, Split skirt. 15 B452 3.500" Bore, .200" Raised crown. 2 BW.2170 (466) 3.250" Bore, .360" Raised crown, Split skirt. 13 B.78 75 m/m.{Mr Moon / Mr Moore} Aerolite, (B40). 12 EB.2298 3.250" Aerolite, 2.270" Gudgeon pin centre to piston crown. 14 B487 3.500" Aerolite, 2.296" Gudgeon pin centre to piston crown. 28 B486 3.250" Aerolite, 2.306 Gudgeon pin centre to piston crown. 10 EW.2115 3.500" Split skirt, Flat top. 7 B482 3.500" Similar to EB.3916 but flat top. 6 B481 3.500" Scraper ring deleted. 8 B321 3.500" 1936 "Le Mans". 8 EB.3364 3.500" .010" Oversize version of EB.3916. 10 EB.3365 3.500" .015" " " " " " not flush top. 9 " 3.500" .015" " " " " " flush top. 4 B451 3.500" .033 Raised crown. 1 E.61463 3.500" .015"oversize, R.R. split skirt. 6 RE.1821 2.500" Aerolite split skirt, Unfinished (Myth). 20 RE.785 (17 1/2 oz) 3.250" Completely machined by L.P. Co. as per 7 Aerolite piston number 12 cam. RE.786 (20 oz) 3.500" Faked sand castings to give the same 6 section thickness as RE.785 die cast. 1824 3.750" split skirt, Light Production Co. 14 Piston Rings. RE.790 (PR.1262) "Cygnet" 75 m/m.{Mr Moon / Mr Moore} Plain, Compression. (B40) 12 RE.791 (PR.1263) "Cygnet" 75 m/m "L" Section. (B40) 14 RE.789 (PR.1264) "Cygnet" 75 m/m.{Mr Moon / Mr Moore} Scraper. (B40) 12 BW.2172 (PR.1171) 3.250" Plain, Compression (Wraith Ripple) 18 BW.2173 (PR.1170) 3.250" "L" Section (Wraith Ripple) 17 EB.3449 (PR.1172) 3.250" Scraper. (Wraith Ripple) 12 EB.4737 3.500" Plain, Compression. (B60) 54 EB.4739 3.500" Scraper. (B60) 10 PR.1192 3.500" Reduced "L" Section. 24 " 3.500" .015" Oversize, Plain, Compression. 9 " 3.500" .015 Oversize, "L" Section. 9 RE.2424 2.500" Plain, Compression. (Myth). 20 RE.2425 2.500" Scraper. (Myth). 18 RE.2478 2.500" "L" Section. (Myth). 12 RE.2053 3.750" Plain, Compression. 14 RE.2054 3.750" "L" Section. 14 RE.2055 3.750" Scraper. 14 -Continued- | ||