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).
Foundry scrap report for P.V.G. crankcases and Kestrel Ramp cylinder heads.
| Identifier | ExFiles\Box 93\4\ scan0010 | |
| Date | 28th January 1935 | |
| (3) 28.1.35. P.V.G. continued Crankcases - Foundry Scrap 25% 4 Castings produced. 2 used. [Table 1] Headers: No. Cast, No. Used, Foundry Scrap, Remarks Row 1: D.{John DeLooze - Company Secretary} 2821, No. Cast: 2, No. Used: 1, Remarks: 1 scrap A.T.D. Row 2: Lec 763, No. Cast: 2, No. Used: 1, Foundry Scrap: 1, Remarks: 1 scrap on Proof, Cyl. bores out of position. KESTREL RAMP Cylinder Heads - Foundry Scrap 66% 38 Castings produced. 4 used [Table 2] Row 1: E.{Mr Elliott - Chief Engineer} 45043/4 38, No. Used: 4, Foundry Scrap: 25, Remarks: 11 scrap in Foundry, blown on Top Face. 9 scrap Top Shell core out of position. 2 scrap on Water Test. 3 scrap on Proof - faulty sections. 9 not tested. The castings that have been fitted and are on test are unsound as various measures such as plugging, tubing, etc. has been resorted to. Even in the case of the Kestrel Ramp Cylinder Heads, although four are now on test none would be certified as serviceable for flying conditions. RHC.{R. H. Coverley - Production Engineer} | ||