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).
List of specifications and modifications for new Peregrine engine units.
| Identifier | ExFiles\Box 169\4\ img213 | |
| Date | 3rd September 1932 | |
| NEW PEREGRINE UNITS. Crankcase. Large Journal main bearings. Crankcase drilling to E/JNR.{Charles L. Jenner}2/HP.27.8.32. Cross passage E/JNR.{Charles L. Jenner}2/HP.31.8.32. LeC.3185. Crankshaft. Large Journal type. Slipper wheel as instructed by Gry.{Shadwell Grylls} 3.9.32. to avoid flapping previously experienced. Cylinder and Main bearing Studs. Increased diameter. Petrol Pump. Increased stroke. R.R. sch. 210. LeC.3184. Camshaft. Ms.648. 104º Two inlet cams. At present in the stores. Second unit similar camshaft if something must be made. Clutch. Deletion of breather, rubber blocks etc. Servo. Lined with RAD.13 (Use plates on test bed unit.) Cylinder Head. E.100520. 14.m/m.{Mr Moon / Mr Moore} plugs 6:1 c.r. AA{D. Abbot-Anderson} Gasket. Rocker Pedestals. Deletion of over-hang. LeC.3159. Pistons. Latest flexible type LeC.3138 Oil Pump. Smaller oil pump. R.R. sch. 216. | ||