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Specification and observation sheet for a Buick vehicle.


Identifier  ExFiles\Box 124\3\  scan0099
Date  19th February 1918
  
- 2 -
Buick - Contd.
Engine Valve Timing.
I.O. T.D.C.
I.C. 50° P.B.D.C.
E.O. 80° B.B.D.C.
E.C. 10° P.T.D.C.
} .002" clearance.
Bore of Cylinder. 3.375"
Stroke - 4.500"
Valve Lift. Inlet .2845. Exhaust .297.
Compression No. 3 68 lbs
No. 5 70 "
Cubic capacity 13 cu.ins.
Vacuum in Induction Pipe 1 3/8" mercury.
Springing - no shock absorbers. Springing very poor. Springs not flexible. Car holds the road fairly well.
Ignition - Delco coil only.
Timing - Retarded 7° P.T.D.C.
advanced 10.5° B.T.D.C.
On Governor 25° B.T.D.C.
Order of Firing 1, 4, 2, 6, 3, 5.
Steering Not reversible - not self centering - no wobbles. Road Shocks felt in wheel.
Dia of circle to turn car -
Right Hand 40 ft. 10"
Left Hand 40 ft. 9 1/2"
Lean of Pivots - O.S. 9/16"
N.S. 11/16" - length 8 3/4"
Length of centre of sphere to centre of axle - 57".
Gearbox and engine one unit - diagonal stays [stops crossed out] from rear of axle and across axle.
Foot brake, outside band - inside band side brake.
Ignition Switch starts motor running slowly - when car is running slowly starter motor overruns engine which causes a clicking sound.
Back lash in transmission taken on road wheel 1 9/16".
  
  
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).


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