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Riley 15/6 mph
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RM Riley specifications


Riley 15/6 mph (1933)
 


 

The Imp was the first car raced by Mike Hawthorne.

ENGINE

6cyl ohv
RAC Rating14.3hp
Bore 62 Stroke 95.2
Firing Order 1, 5, 3, 6, 2, 4.
Capacity 1726cc
56bhp at 4800rpm
Compression Ratio 7.1:1
Carburation 2SU


TRANSMISSION

4-speed Preselector or 'silent third' gearbox.

	      PSG		Manual
Top gear ratio  5:1    		4.77:1
3rd g/r 	      6.25:1		5.95:1
2nd g/r 	      7.5:1		7.15:1
1st g/r 	      13.35:1		11.78:1
Reverse 	      22.99:1		18.51:1

SUSPENSION

Semi-elliptic all round

BRAKES

Riley Continuous cable with cam operated shoes
15" Drums.

PERFORMANCE

Max speed 89mph

DIMENSIONS

Wheelbase 8'1.5" (aprx 2370mm)
Track 4' (aprx 1210mm)
Length 12' (aprx 3660mm)
Width 4'9" (aprx 1440mm)
Fuel Tank 15 galls.
Wheels Dunlop Centre lock wire 3.0x19"
Tyres 5.0x19
Weight 18cwt