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).
Certificate of inspection detailing modifications to an engine unit.
| Identifier | ExFiles\Box 57\1\ Scan300 | |
| Date | 4th March 1927 | |
| CERTIFICATE OF INSPECTION BY D.I.A. G.1394 UNIT -10.SIII ROLLS-ROYCE ENGINE AND SPARES Crankcase & Bearing Stiffened Engine Suspension to Scheme 743 & Arrgt. to small Drg. E.53934. Induction Pipe Induction Pipe with stronger connection to Cylinder Block to LeG 2216. Carburetter Locking Device for Float Chamber Cover to Scheme 766. Water Pump Modified Hardy Fabric Coupling to Arrgt. Drg. E.53985. Water Connections Modified Water Connections to suit Vertical Radiator Shutters to E.S.2314-2320 & L.O.F. E.54255. Wire Fittings 1. Modn: Distributor Cable to Scheme 832. 2. Mod: to Wiring to prevent H.T. Wire rubbing nuts on Crankcase to Scheme 764. Controls Mixture & Ignition Controls to E.S.2327. Shutter and Starting Carb: Controls to E.S.2320-1. Ignition Distributor Modified Cam D.51508 & Shaft E.54112 with shaper taper to facilitate extraction. This is to certify that the engine parts enumerated above have been subjected to D.I.A inspection and are satisfactory in accordance with the standard required for service in the Royal Air Force. (signed) FOR CHIEF INSPECTOR OF ENGINES, AERONAUTICAL INSPECTION DEPT. ON BEHALF OF THE SECRETARY OF STATE FOR AIR. 1 Copy to O.C. R.A.F. 3 Copies to R.R. Ltd. 1 Copy to O.C. R.A.F. D.I.A. | ||