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).
Blueprint cross-section of a piston with detailed dimensions and manufacturing notes.

Identifier  ExFiles\Box 173\3\  img032
Date  2nd June 1934 guessed
  
Handwritten notes:
Necessary for piston
particularly clean up

Printed notes:
BREAK CORNERS OF ALL RING GROOVES NOT TO EXCEED .010R
TO BE SQUARE WITH O.D. OF SKIRT WITHIN
CORE DIA.

Handwritten notes (right side):
7040/7461
Run a core pin suitably for this dimension

Handwritten reference:
V-31

Dimensions:
2 1/2 DIA.
1 1/8
B
3/32
5/64
.370/.372
3 1/2 DIA.
.328/.318
1/8
1/4
11/64
15/64
1.995/2.000
3 3/8
2.870 C / 2.880
2.910 / 2.920
.335/.345
.8535/.8555
5/32
7/32
1/16
.028/.038
  
  


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