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 revision for the Peregrine II - No.1 Unit engine, detailing changes to various components.
| Identifier | ExFiles\Box 169\4\ img090 | |
| Date | 15th June 1932 | |
| To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel} c. AJL. c. Swdl.{Len H. Swindell} RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}14/LS.15.6.32 PEREGRINE II - No.1 Unit. Specification of the above unit issued in RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}11/LS.26.5.32. is revised as follows :- PASSED TO TEST 10.6.32. Previous Specification. Camshaft to LOP.E.100112. 1-E.100111 Camshafts - 111½° Cylinders to LOP.E.100082. E.100017 Rocker Shaft Pedestals - Dural - Removed. Crankshaft Damper to LOP. E.100144. Oil Pump to LOP.E.37535. Revised Specification. Camshafts to lOP+E.100112. E.100111 Camshafts modified to Hs.{Lord Ernest Hives - Chair}633 105½° between Cams. Cylinders to LOP.E.100082. E.100017 Rocker Shaft Pedestals (S/M.{Mr Moon / Mr Moore}) Water Passages in Cyl. Head Plugged as per Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}17AD. 2.6.32. Cylinder Head machined beneath the sparking plug to give more cooling as shown on Ex.87B Crankshaft Damper to LOP. E.100144. Damper removed complete less centre piece. Oil Pump to LOP.E.37535. E.57349 Driving Gear mod: to V.1386. E.57350 Driven Gear mod: to V.1385. i.e. reduced width of gears to reduce Pump delivery. V.1384 Packing .339 thick to components reduced width of gears. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||