GREAT RACING MARQUES.
GREAT RACING MARQUES. I.—SUNBEAM. By E. K. H. KERSLAKE. THE name of Sunbeam is one which should be particularly revered among English motorists, as for a .number of years this…
Brief Specification.
Engine : 6 cyl., 57 x 71 mm., 1,086 c.c., R.A.C. Rating 12 h.p. Tax £12. Single o.h.c. Compression ratio 6.4 to 1. Fourbearing crankshaft. Pump cooling. 2 S. U. carburetters. Single point engine mounting on rubber in front, Cross tube through clutch pit at rear. Coil ignition, automatic advance and retard.
Transmission : Double dry-plate clutch, 4 speed normat gear box, silent third, central remotecontrol. Ratios, 1st, 19.21, 2nd, 11.49, 3rd, 7.31, top 5.375 to 1. Road speed at 1,000 r.p.m. on each gear. 1st, 4, 2nd 7, 3rd 11, to 15.5 m.p.h. Hotchkiss drive, HardySpicer propeller shaft, _floating rear axle.
Suspension : elliptic springs, 27 5/16″ front, 37″ rear. Hartford shock absorbers.
Brakes : Cable operated, 2 shoe type, 12′ drums. Steering Marles Weller„-Idjust
able rake. Turning circle 37′. Fuel Supply : 12 gallon rear tank.
Electric pump.
Dimensions : R. W. racing wheels.
Tyres 4.50by 19. Wheelbase 7′ 10′ Track 3′ 6ff. Ground clearance 6′. Chassis weight 12f -cw1. Weight of complete 2 seater 151 cwt.
Price : 2 sealer, as tested, £285 ex works.