Principal Dimensions
Following are the principal dimensions of the six-cylinder motor:
Bore 5 inches.
Stroke 61⁄2 inches.
Crank-shaft diameter throughout 2 inches.
Length of crank-pin and main bearings 31⁄2 inches.
Diameter of valves 3 inches (23⁄4 inches clear).
Lift of valves 1⁄2 inch.
Volume of compression space 22 per cent. of total.
Diameter of wrist-pins 13⁄16 inches.
Firing order 1-4-2-6-3-5.
The horse-power developed at 1200 revolutions per minute is 130, at 1300 revolutions per minute 140, at 1400 revolutions per minute 148. 1400 is the maximum speed at which it is recommended to run these motors.