Rolls-Royce Archives
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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 for a friction lining with specifications for holes, material, and dimensions.

Identifier  ExFiles\Box 141\3\  scan0130
Date  13th January 1932
  
RR892(2H)(2026S 3-12-31) D.O.S.LTD.
THE C OF SCARF JOINT TO BE HALFWAY BETWEEN THESE TWO HOLES.
WHEN DRILLING THESE FOUR HOLES CARE MUST BE TAKEN TO ENSURE THAT FEED IS NOT FORCED.
C.79930
SECTION THRO' ABC
THIS PIECE IS SIMILAR TO G.78818 WITH THE EXCEPTION OF THE MATERIAL & THE SCARF JOINT. (13-1-32)
24 HOLES EQUALLY SPACED.
16 HOLES EQUALLY SPACED WITH THE EXCEPTION OF HOLES MARKED X.
NOTE. - TO BE GROUND BY MAKERS TO ENSURE THAT THE DISCS ARE PARALLEL.
LININGS TO BE SUPPLIED WITH A SCARF JOINT CHEMICALLY BONDED.
TITLE BLOCK:
REPLACE ALL COPIES TO
EXP. | PATT.
WORKS | FORGE
T.O. | S.R.
D.O. | I.R.
R.D. | AMERICA.
T.D. | COST.
DRAWN: R A S
TRACED: R.W.
CHECKED:
APPROVED:
LIMITS O.K.
DATE: 13 1 32
USED ON: 40/50
NO OFF: 2
SCALE: 1/1
HEAT TREAT:
TITLE: FRICTION LINING.
MACHINE ALL OVER OR WHERE MARKED THUS
BRINELL:
MATERIAL: STANTON. FERODO BONDED ASBESTOS (RAD II)
SPEC N°:
DIMENSIONS:
15°
7 1/2°
11 1/4°
22 1/2°
11.600 +.5 DIA.
13.050 +.5 -.5 DIA.
13.900 -50 DIA.
.087 +10 -10
.250 DIA. +.5 -.5
.4062 DIA. +.15 -.15
.250 -10
10.750 DIA. +50
STAMP: ROLLS-ROYCE, LTD PRINT ROOM JAN 9 1932
  
  


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