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).
Performance graph showing pressure versus piston displacement for a compression ignition unit.
| Identifier | WestWitteringFiles\U\January1930-April1930\ Scan122 | |
| Date | 25th March 1930 | |
| S/C COMPRESSION IGNITION UNIT. Diagram N.o 8 Nozzle:- Bosch DL.130 T.182. 14:1 COMP. PISTON. R.P.M.= 1500 B.H.P.= 25.8 B.M.E.P.= 73 LBS/D" WGT of FUEL. = .262 lbs/B.H.P./Hr. I.H.P = 39 I.M.E.P. = 110 lbs/D" FUEL CONSUMPTION PER I.H.P PER HR = .402 MAX EXPLOSION PRESS. 730 lbs/D" Gauge COMP. PRESS. 435 lbs/D" EXCESS AIR 35 % MECH. LOSSES. 37 M.E.P COMPRESSION LAW. P2 = P1 V^1.3 (14.2 lbs/D" initial press.) PRESSURE LBS/D" GAUGE ATM. COMP. SPACE PISTON DISPLACEMENT. LINE ROLLS-ROYCE PRINT R.D. 25 MAR 1930 DERBY. LR{Mr Ellor}/21.3.30 | ||