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).
Bench test report for an E.A.S. II engine.
| Identifier | ExFiles\Box 69\4\ scan0267 | |
| Date | 10th October 1929 | |
| BENCH TEST REPORT. X8771 TYPE OF ENGINE: E.A.S. II. ENGINE NO.: DATE: 10-10-29. BAROMETER: AIR TEMP: DESCRIPTION OF ENGINE:- COMPRESSION RATIO: 4.82/1. INDUCTION SYSTEM: C.I. PIPE STD. EXHAUST SYSTEM: DOUBLE BRANCH. CARBURETTOR: EAC II ALUM. AIR VALVE. VALVES: TULIP. CAMSHAFT: 118° LIFT: LOW. TAPPET CLEARANCE: .004. TIMING. VALVES WITH .010 CLCE: Inlet. | Exhaust. | BATTERY. Pts. break fully retarded. Opens. | 8° PTC | 58.4° BBC | 10° PTC Closes. | 47° PBC. | 6° PTC | MAGNETO. | 4° BTC. Power & Consumption. C.O. open. | R.P.M. | B.HP. | Pts.hr. | Oil press: | | 600 | 40 | 24.2 | 23 LBS ☐" | | 750 | 44.7 | 31.5 | | | 1000 | 59.6 | 38.4 | | | 1250 | 75 | 46.1 | | | 1500 | 91.5 | 53 | 28 " | | 1750 | 106.8 | 61.2 | | | 2000 | 114 | 68.7 | | | 2250 | 119 | 73.2 | | | 2500 | 119.8 | 76.4 | 30 " | | 2750 | 112. | - | | DYNAMO. Max: output at 750 R.P.M. Amps. 11. Output at 2000 r.p.m. 2.5 - 3. Crankcase press: .175" WATER. Slow running: 150 RPM. Engine gears: (QUIET.) O.K. Oil used: Total hrs. run: 7 ½. REMARKS :- Timing gear Case drilled (3 extra holes) to eliminate oil leak. Throttle Governor fitted but not connected Oil incinerator (new type.) fitted. Dynamo. hums Checked & corrected CRF After tests - engine fitted to Chassis No.: | ||