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).
Specifications and performance graph for the Essex Terraplane Eight.
| Identifier | ExFiles\Box 21\6\ Scan105 | |
| Date | 25th September 1933 | |
| ESSEX TERRAPLANE EIGHT ENGINE ENGINE - 75mm x 114mm = 4,010 c.c. (244cu.in) FIRING ORDER 1.6.2.5.8.3.7.4. WATER CAPACITY = 2 GALLS 7 PINTS (RADIATOR ONLY 1 GALL 2 PINTS) OIL CAPACITY = 2 1/4 GALLS ENGINE IS STATED TO DEVELOP 94 BHP @ 3600 RPM CHASSIS WHEEL BASE = 113" TRACK = 4' 8" OVERALL LENGTH = 14' 5.625" WIDTH = 5' 7" HEIGHT = 5' 9.5" TURNING CIRCLE = 41' PETROL TANK CAPACITY 13.5 GALLS WEIGHT = (Condition: FULL OF PETROL ETC, 2 SPARE WHEELS) FRONT: 18 CWT 2 QRS 21 LBS REAR: 18 CWT 0 QRS 0 LBS TOTAL: 36 CWT 2 QRS 21 LBS GEAR RATIOS ETC. TOP: 4.11:1 2ND: 6.616:1 1ST: 9.945:1 REVERSE: 13.56:1 6"x 16" GOODYEAR TYRES. EFFECTIVE CIRCUMFERENCE AT 26 LBS/sq in = 84.5" ROADWHEEL REVS/MILE = 749.8 GRAPH: ROAD SPEED M.P.H. vs{J. Vickers} ENGINE R.P.M. TOP GEAR 4.11:1 (60 MPH = 3080 RPM) 2ND GEAR 6.616:1 (60 MPH = 4962 RPM) 1ST GEAR 9.945:1 (30 MPH = 3728 RPM) | ||