Rolls-Royce Archives
         « Prev  Box Series  Next »        

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).
Inspection report detailing cylinder bore wear and crankshaft measurements.

Identifier  ExFiles\Box 135\3\  scan0213
Date  27th August 1937
  
R.P.81 S. SMITH & SONS (MOTOR ACCESSORIES) LTD., CRICKLEWOOD WORKS, LONDON, N.W.2. CONTINUATION NO

COPY.
INSPECTION
PHILLIPS MILLS.

27.8.37.

CHASSIS No. 8303/S.
MILEAGE 28,000 approx.
ENGINE No: 1010934.V.

CYLINDER BORE WEAR RECORD.
Depths at which sizes are taken.

Bore & Direction. Top. 1" 2" 3" 4" 5" 6" Botto

1. A.{Mr Adams} +.0045" +.0005" +.0005" +.00075 +.00025" - - -.0005"
B. +.0075" +.0015" +.0005" +.0005" Nom. - - -.0005"

2. A.{Mr Adams} +.006" +.001" +.00075 +.001. +.00075 -.0005"
B. +.00725"+.002" +.0015" +.00125"Nom. -.0015"

3. A.{Mr Adams} +.004" +.0005" +.001" +.0015" +.00125" +.0005"
B. +.005" +.001" +.001" +.0015" +.00125" +.001"

4. A.{Mr Adams} +.005" +.0015" +.00125"+.00125"+.00075" -.0005"
B. +.00575"+.0015" +.00125"+.00075"+.0005" -.00075"

A = Pin.
B.= Thrust. Taken from nominal size 3 1/4"

CRANKSHAFT. ACTUAL SIZE.

Mains. Front. Centre. Rear.
Parallel with webs - A.dir. 1.7475" 1.7477" 1.7476"
Transverse " " B.dir. 1.748" 1.7482" 1.748"

Big End Pins. No.1. No.2. No.3. No.4.
A.dir. 1.7465" 1.747" 1.748" 1.748"
B.dir. 1.74725" 1.7475" 1.748" 1.747"

A - Pin.
B.- Thrust.

continued............
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙