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).
Specification and test report for the Peregrine II, No. 2 Unit, detailing modifications to the crankcase and bearings.
| Identifier | ExFiles\Box 169\4\ img123 | |
| Date | 25th May 1933 | |
| To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} [Redacted] RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}5/AP.25.5.33. Peregrine 11, No.2. Unit. Specification of the above Unit issued in RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}4/LS.21.3.33. is revised as follows. Engine dismantled for inspection of FR. Lead Bronze Bearings after running for 3 hours at 4,500 R.P.M. Passed to Test. 27.3.33. Crankcase & Bearings AOP.E.100293-LeC.3320-22 & 3350. Existing crankcase modified by drilling cross-passage holes to Drg.E.100586. Improved breather position to LeC.3350. E.100123 Plain Bushes fitted. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||